"Un convertisseur buck, ou hacheur s\u00E9rie, est une alimentation \u00E0 d\u00E9coupage qui convertit une tension continue en une autre tension continue de plus faible valeur. Un convertisseur Buck bien con\u00E7u poss\u00E8de un fort rendement (jusqu'\u00E0 95 %) et offre la possibilit\u00E9 de r\u00E9guler la tension de sortie."@fr . . . "\u041F\u043E\u043D\u0438\u0436\u0443\u044E\u0447\u0438\u0439 \u043F\u0435\u0440\u0435\u0442\u0432\u043E\u0440\u044E\u0432\u0430\u0447 \u043D\u0430\u043F\u0440\u0443\u0433\u0438 \u2013 \u0446\u0435 \u043F\u0435\u0440\u0435\u0442\u0432\u043E\u0440\u044E\u0432\u0430\u0447, \u043F\u0440\u0438\u0437\u043D\u0430\u0447\u0435\u043D\u0438\u0439 \u0434\u043B\u044F \u043F\u0435\u0440\u0435\u0442\u0432\u043E\u0440\u0435\u043D\u043D\u044F \u0432\u0438\u0441\u043E\u043A\u043E\u0457 \u043D\u0430\u043F\u0440\u0443\u0433\u0438 \u0432 \u0431\u0456\u043B\u044C\u0448 \u043D\u0438\u0437\u044C\u043A\u0443 \u0441\u0442\u0430\u0431\u0456\u043B\u0456\u0437\u043E\u0432\u0430\u043D\u0443 \u043D\u0430\u043F\u0440\u0443\u0433\u0443. \u041C\u0456\u0441\u0442\u0438\u0442\u044C \u043A\u043B\u044E\u0447\u043E\u0432\u0438\u0439 \u0442\u0440\u0430\u043D\u0437\u0438\u0441\u0442\u043E\u0440, \u0434\u0456\u043E\u0434, \u0444\u0456\u043B\u044C\u0442\u0440 \u0456 \u043D\u0430\u0432\u0430\u043D\u0442\u0430\u0436\u0435\u043D\u043D\u044F. \u041F\u0435\u0440\u0435\u0442\u0432\u043E\u0440\u044E\u0432\u0430\u0447 \u043F\u0435\u0440\u0435\u0434\u0430\u0454 \u0435\u043D\u0435\u0440\u0433\u0456\u044E \u043D\u0435\u0432\u0435\u043B\u0438\u043A\u0438\u043C\u0438 \u043F\u043E\u0440\u0446\u0456\u044F\u043C\u0438 \u0432\u0456\u0434 \u0434\u0436\u0435\u0440\u0435\u043B\u0430 \u0436\u0438\u0432\u043B\u0435\u043D\u043D\u044F \u0432 \u043D\u0430\u0432\u0430\u043D\u0442\u0430\u0436\u0435\u043D\u043D\u044F. \u041D\u0435\u0437\u0432\u0430\u0436\u0430\u044E\u0447\u0438 \u043D\u0430 \u0437\u0431\u0456\u043B\u044C\u0448\u0435\u043D\u0456, \u0432 \u043F\u043E\u0440\u0456\u0432\u043D\u044F\u043D\u043D\u0456 \u0437 \u043B\u0456\u043D\u0456\u0439\u043D\u0438\u043C\u0438 \u0441\u0442\u0430\u0431\u0456\u043B\u0456\u0437\u0430\u0442\u043E\u0440\u0430\u043C\u0438, \u0433\u0430\u0431\u0430\u0440\u0438\u0442\u0438 \u0456 \u043F\u043E\u0440\u0456\u0432\u043D\u044F\u043D\u043E \u0432\u0435\u043B\u0438\u043A\u0438\u0439 \u0440\u0456\u0432\u0435\u043D\u044C \u043F\u0443\u043B\u044C\u0441\u0430\u0446\u0456\u0439, \u0446\u0456 \u043F\u0435\u0440\u0435\u0442\u0432\u043E\u0440\u044E\u0432\u0430\u0447\u0456 \u043C\u0430\u044E\u0442\u044C \u0456\u0441\u0442\u043E\u0442\u043D\u0443 \u043F\u0435\u0440\u0435\u0432\u0430\u0433\u0443 - \u0432\u0438\u0441\u043E\u043A\u0438\u0439 \u041A\u041A\u0414. \u0422\u043E\u043C\u0443 \u0432\u043E\u043D\u0438 \u0437\u043D\u0430\u0445\u043E\u0434\u044F\u0442\u044C \u0448\u0438\u0440\u043E\u043A\u0435 \u0437\u0430\u0441\u0442\u043E\u0441\u0443\u0432\u0430\u043D\u043D\u044F \u0432 \u0435\u043B\u0435\u043A\u0442\u0440\u043E\u043D\u043D\u0456\u0439 \u0430\u043F\u0430\u0440\u0430\u0442\u0443\u0440\u0456."@uk . . . . . "\uBC85 \uBCC0\uD658\uAE30"@ko . "Convertitore buck"@it . . "Convertidor Buck"@ca . "A buck converter (step-down converter) is a DC-to-DC power converter which steps down voltage (while stepping up current) from its input (supply) to its output (load). It is a class of switched-mode power supply (SMPS) typically containing at least two semiconductors (a diode and a transistor, although modern buck converters frequently replace the diode with a second transistor used for synchronous rectification) and at least one energy storage element, a capacitor, inductor, or the two in combination. To reduce voltage ripple, filters made of capacitors (sometimes in combination with inductors) are normally added to such a converter's output (load-side filter) and input (supply-side filter). Its name derives from the inductor that \u201Cbucks\u201D or opposes the supply voltage."@en . . "Conversor buck (conversor abaixador) \u00E9 um conversor CC/CC que diminui a tens\u00E3o (enquanto aumenta a corrente) de sua entrada (alimenta\u00E7\u00E3o) para sua sa\u00EDda (carga). \u00C9 similar ao conversor boost (elevador) e \u00E9 um tipo de fonte chaveada (SMPS) que normalmente cont\u00E9m pelo menos dois semicondutores (um diodo e um transistor, embora os conversores buck modernos substituam o diodo por um segundo transistor usado para retifica\u00E7\u00E3o s\u00EDncrona) e pelo menos um elemento de armazenamento de energia, um capacitor, indutor ou os dois combinados. Para reduzir o ripple de tens\u00E3o, filtros feitos de capacitores (\u00E0s vezes em combina\u00E7\u00E3o com indutores) s\u00E3o normalmente adicionados a essa sa\u00EDda do conversor (filtro do lado da carga) e \u00E0 entrada (filtro do lado da alimenta\u00E7\u00E3o)."@pt . . "\u0641\u064A \u0627\u0644\u0625\u0644\u0643\u062A\u0631\u0648\u0646\u064A\u0627\u062A\u060C \u0627\u0644\u0645\u0628\u062F\u0644 \u0627\u0644\u062E\u0627\u0641\u0636 \u0644\u0644\u062C\u0647\u062F (\u0628\u0627\u0644\u0625\u0646\u062C\u0644\u064A\u0632\u064A\u0629: Step-down converter)\u200F \u0647\u0648 \u0645\u0628\u062F\u0644 \u0644\u0641\u0631\u0642 \u0627\u0644\u062C\u0647\u062F \u0627\u0644\u062B\u0627\u0628\u062A \u0628\u062D\u064A\u062B \u064A\u0628\u062F\u0644 \u0627\u0644\u062F\u0627\u062E\u0644\u0629 (\u0641\u0631\u0642 \u0627\u0644\u062C\u0647\u062F \u0627\u0644\u062B\u0627\u0628\u062A) \u0625\u0644\u0649 \u0641\u0644\u0637\u064A\u0629 \u062B\u0627\u0628\u062A\u0629 \u0623\u062E\u0631\u0649 \u0623\u0642\u0644 (Vin> Vout)\u060C \u0628\u0646\u0627\u0621\u064B \u0639\u0644\u0649 \u0645\u0628\u062F\u0623 \u062A\u0639\u062F\u064A\u0644 \u0639\u0631\u0636 \u0627\u0644\u0646\u0628\u0636\u0629."@ar . "44462"^^ . . "\u0641\u064A \u0627\u0644\u0625\u0644\u0643\u062A\u0631\u0648\u0646\u064A\u0627\u062A\u060C \u0627\u0644\u0645\u0628\u062F\u0644 \u0627\u0644\u062E\u0627\u0641\u0636 \u0644\u0644\u062C\u0647\u062F (\u0628\u0627\u0644\u0625\u0646\u062C\u0644\u064A\u0632\u064A\u0629: Step-down converter)\u200F \u0647\u0648 \u0645\u0628\u062F\u0644 \u0644\u0641\u0631\u0642 \u0627\u0644\u062C\u0647\u062F \u0627\u0644\u062B\u0627\u0628\u062A \u0628\u062D\u064A\u062B \u064A\u0628\u062F\u0644 \u0627\u0644\u062F\u0627\u062E\u0644\u0629 (\u0641\u0631\u0642 \u0627\u0644\u062C\u0647\u062F \u0627\u0644\u062B\u0627\u0628\u062A) \u0625\u0644\u0649 \u0641\u0644\u0637\u064A\u0629 \u062B\u0627\u0628\u062A\u0629 \u0623\u062E\u0631\u0649 \u0623\u0642\u0644 (Vin> Vout)\u060C \u0628\u0646\u0627\u0621\u064B \u0639\u0644\u0649 \u0645\u0628\u062F\u0623 \u062A\u0639\u062F\u064A\u0644 \u0639\u0631\u0636 \u0627\u0644\u0646\u0628\u0636\u0629."@ar . "Buck bihurgailua (step-down bihurgailua) korronte zuzeneko elikadura-tentsioa irteeran murrizten duen da. Bi etengailu erdieroale (diodoa eta transistorea), haril eta kondentsadore bana darama. Korronte zuzeneko tentsioa murrizteko modurik errazena tentsio-zatitzaileak erabiltzea da, baina potentzia asko bero moduan galtzen denez, ez da eraginkorra. Horrez gain, tentsio-zatitzaileen irteerako tentsioa sarrerakoarekin aldatzen da. Bestalde, Buck bihurgailuek eraginkortasun handia dute (%95tik gorakoa) eta autoerregulatu daitezke."@eu . "Buck converter"@en . . . "El convertidor Buck (o reductor) \u00E9s un convertidor de pot\u00E8ncia que obt\u00E9 a la seva sortida un voltatge continu menor que a la seva entrada. El disseny \u00E9s similar a un convertidor elevador o Boost, tamb\u00E9 \u00E9s una font commutada amb dos dispositius semiconductors (transistor S i d\u00EDode D ), un inductor L i opcionalment un condensador C a la sortida."@ca . . . . . . . . . . . . . . . . "Przekszta\u0142tnik buck (przekszta\u0142tnik obni\u017Caj\u0105cy napi\u0119cie, ang. step-down, bucking) \u2013 rodzaj przekszta\u0142tnika DC/DC bez izolacji galwanicznej mi\u0119dzy wej\u015Bciem a wyj\u015Bciem. Napi\u0119cie wyj\u015Bciowe jest ni\u017Csze od wej\u015Bciowego, natomiast pr\u0105d wyj\u015Bciowy mo\u017Ce by\u0107 wy\u017Cszy od wej\u015Bciowego."@pl . . "Convertidor reductor"@es . . . "\u041F\u043E\u043D\u0438\u0436\u0443\u044E\u0447\u0438\u0439 \u043F\u0435\u0440\u0435\u0442\u0432\u043E\u0440\u044E\u0432\u0430\u0447 \u043D\u0430\u043F\u0440\u0443\u0433\u0438"@uk . . . . . . . . . . . . "El convertidor reductor\u200B\u200B o convertidor buck (del ingl\u00E9s buck converter) es un convertidor de potencia, DC-DC sin aislamiento galv\u00E1nico, que obtiene a su salida una tensi\u00F3n menor que a su entrada. El dise\u00F1o es similar a un convertidor elevador o Boost, tambi\u00E9n es una fuente conmutada con dos dispositivos semiconductores (transistor S y diodo D), un inductor L y opcionalmente un condensador C a la salida."@es . . . . . "\u964D\u538B\u53D8\u6362\u5668\uFF08Buck Converter\uFF0C\u53C8\u79F0\u70BABuck\u53D8\u6362\u5668\uFF09\uFF0C\u53C8\u79F0\u70BA\u964D\u58D3\u65AC\u6CE2\u5668\uFF08Buck Chopper\uFF09\uFF0C\u662F\u6703\u964D\u4F4E\u96FB\u58D3\u7684\u76F4\u6D41-\u76F4\u6D41\u8F49\u63DB\u5668\uFF0C\u8F38\u51FA\uFF08\u8CA0\u8F09\uFF09\u7AEF\u7684\u96FB\u58D3\u6703\u6BD4\u8F38\u5165\uFF08\u96FB\u6E90\uFF09\u7AEF\u8981\u4F4E\uFF0C\u4F46\u5176\u8F38\u51FA\u96FB\u6D41\u6703\u5927\u65BC\u8F38\u5165\u96FB\u6D41\u3002\u964D\u538B\u53D8\u6362\u5668\u662F\u5F00\u5173\u7535\u6E90\uFF0C\u4E00\u822C\u81F3\u5C11\u6703\u6709\u4E8C\u500B\u534A\u5C0E\u9AD4\u5143\u4EF6\uFF08\u4E8C\u6975\u9AD4\u53CA\u96FB\u6676\u9AD4\uFF0C\u4E0D\u904E\u65B0\u578B\u7684\u964D\u538B\u53D8\u6362\u5668\u53EF\u80FD\u6703\u7528\u96FB\u6676\u9AD4\u914D\u5408\u540C\u6B65\u6574\u6D41\u4EE3\u66FF\u4E8C\u6975\u9AD4\uFF09\u53CA\u81F3\u5C11\u4E00\u500B\u5132\u80FD\u5143\u4EF6\uFF08\u96FB\u5BB9\u5668\u3001\u96FB\u611F\u5668\u6216\u662F\u4E8C\u8005\u90FD\u6709\uFF09\u3002\u4E00\u822C\u4E5F\u6703\u5728\u8F38\u51FA\u7AEF\u53CA\u8F38\u5165\u7AEF\u52A0\u4E0A\u4EE5\u96FB\u5BB9\u5668\u70BA\u4E3B\u7684\u6FFE\u6CE2\u5668\uFF08\u6709\u6642\u4E5F\u6703\u914D\u5408\u96FB\u611F\u5668\uFF09\u4EE5\u964D\u4F4E\u96FB\u58D3\u6F23\u6CE2\u3002 \u50CF\u964D\u538B\u53D8\u6362\u5668\u4E4B\u985E\u7684\u5F00\u5173\u7535\u6E90\u5176\u6548\u7387\u6703\u6BD4\u7DDA\u6027\u96FB\u58D3\u8ABF\u7BC0\u5668\u8981\u597D\uFF0C\u7DDA\u6027\u7A69\u58D3\u5668\u7684\u96FB\u8DEF\u8F03\u7C21\u55AE\uFF0C\u53EF\u4EE5\u964D\u4F4E\u96FB\u58D3\uFF0C\u4E14\u5176\u8F38\u51FA\u96FB\u58D3\u7684\u6F23\u6CE2\u6703\u6BD4\u964D\u538B\u53D8\u6362\u5668\u8981\u5C0F\u5F88\u591A\uFF0C\u4F46\u4E0D\u8981\u7684\u80FD\u91CF\u6703\u4EE5\u71B1\u7684\u65B9\u5F0F\u91CB\u653E\uFF0C\u800C\u4E14\u4E0D\u80FD\u63D0\u9AD8\u96FB\u6D41\u3002 \u964D\u538B\u53D8\u6362\u5668\u7684\u6548\u7387\u4E00\u822C\u6703\u9AD8\u904E90%\uFF0C\u56E0\u6B64\u5E38\u7528\u4F86\u5C07\u96FB\u8166\u4E2D\u7684\u4E3B\u96FB\u6E90\uFF08\u591A\u534A\u662F12V\uFF09\u964D\u58D3\u5230USB\u3001DRAM\u53CACPU\u9700\u8981\u7684\u96FB\u6E90\uFF081.8V\u6216\u66F4\u4F4E\uFF09\u3002"@zh . . . "Przekszta\u0142tnik buck"@pl . . . . "\u964D\u538B\u53D8\u6362\u5668"@zh . . . . . . . . . . . . . . "Convertisseur Buck"@fr . . . . . . . . . "El convertidor Buck (o reductor) \u00E9s un convertidor de pot\u00E8ncia que obt\u00E9 a la seva sortida un voltatge continu menor que a la seva entrada. El disseny \u00E9s similar a un convertidor elevador o Boost, tamb\u00E9 \u00E9s una font commutada amb dos dispositius semiconductors (transistor S i d\u00EDode D ), un inductor L i opcionalment un condensador C a la sortida. La forma m\u00E9s simple de reduir una tensi\u00F3 cont\u00EDnua (DC) des d'un circuit divisor de tensi\u00F3, per\u00F2 els divisors gasten molta energia en forma de calor. D'altra banda, un convertidor Buck pot tenir una alta efici\u00E8ncia (superior al 95% amb circuits integrats) i autoregulaci\u00F3."@ca . . . "1122882095"^^ . "\uBC85 \uBCC0\uD658\uAE30\uB294 \uAC15\uC555 \uC774\uB2E4. \uC5BC\uAC1C\uB294 \uC2B9\uC555 \uC640 \uBE44\uC2B7\uD558\uACE0, \uBD80\uC2A4\uD2B8 \uBCC0\uD658\uAE30\uC640 \uAC19\uC774 \uB85C \uB450 \uAC1C\uC758 \uC2A4\uC704\uCE58(\uD2B8\uB79C\uC9C0\uC2A4\uD130, \uB2E4\uC774\uC624\uB4DC \uAC01\uAC01 \uD55C \uAC1C\uC529)\uC640 \uC778\uB355\uD130, \uCEE4\uD328\uC2DC\uD130\uB97C \uD558\uB098\uC529 \uC0AC\uC6A9\uD55C\uB2E4. DC \uC804\uC6D0\uC758 \uC804\uC555\uC744 \uB0AE\uCD94\uB294 \uAC00\uC7A5 \uAC04\uB2E8\uD55C \uBC29\uBC95\uC740 (\uC608\uB97C \uB4E4\uC5B4 )\uB97C \uC0AC\uC6A9\uD558\uB294 \uAC83\uC774\uC9C0\uB9CC, \uC120\uD615\uC870\uC815\uAE30\uB294 \uC5EC\uBD84\uC758 \uC804\uB825\uC744 \uC5F4\uB85C \uBD84\uC0B0\uC2DC\uD0A4\uAE30 \uB54C\uBB38\uC5D0 \uC5D0\uB108\uC9C0 \uB0AD\uBE44\uAC00 \uC2EC\uD558\uB2E4. \uD55C\uD3B8 \uBC85 \uBCC0\uD658\uAE30\uB294 \uD6E8\uC52C \uD6A8\uC728\uC801\uC77C \uC218 \uC788\uC73C\uBBC0\uB85C (IC\uC758 \uACBD\uC6B0 95% \uC774\uC0C1), \uC804\uD615\uC801\uC778 \uB7A9\uD0D1\uC6A9 \uC804\uC9C0 \uC804\uC555\uC778 12\u201324 V\uB97C CPU\uC5D0\uC11C \uD544\uC694\uB85C \uD558\uB294 \uC218 \uBCFC\uD2B8\uC758 \uC804\uC555\uC73C\uB85C \uB0AE\uCD94\uB294 \uB370 \uC801\uD569\uD558\uB2E4."@ko . . "Conversor buck"@pt . . . . "\uBC85 \uBCC0\uD658\uAE30\uB294 \uAC15\uC555 \uC774\uB2E4. \uC5BC\uAC1C\uB294 \uC2B9\uC555 \uC640 \uBE44\uC2B7\uD558\uACE0, \uBD80\uC2A4\uD2B8 \uBCC0\uD658\uAE30\uC640 \uAC19\uC774 \uB85C \uB450 \uAC1C\uC758 \uC2A4\uC704\uCE58(\uD2B8\uB79C\uC9C0\uC2A4\uD130, \uB2E4\uC774\uC624\uB4DC \uAC01\uAC01 \uD55C \uAC1C\uC529)\uC640 \uC778\uB355\uD130, \uCEE4\uD328\uC2DC\uD130\uB97C \uD558\uB098\uC529 \uC0AC\uC6A9\uD55C\uB2E4. DC \uC804\uC6D0\uC758 \uC804\uC555\uC744 \uB0AE\uCD94\uB294 \uAC00\uC7A5 \uAC04\uB2E8\uD55C \uBC29\uBC95\uC740 (\uC608\uB97C \uB4E4\uC5B4 )\uB97C \uC0AC\uC6A9\uD558\uB294 \uAC83\uC774\uC9C0\uB9CC, \uC120\uD615\uC870\uC815\uAE30\uB294 \uC5EC\uBD84\uC758 \uC804\uB825\uC744 \uC5F4\uB85C \uBD84\uC0B0\uC2DC\uD0A4\uAE30 \uB54C\uBB38\uC5D0 \uC5D0\uB108\uC9C0 \uB0AD\uBE44\uAC00 \uC2EC\uD558\uB2E4. \uD55C\uD3B8 \uBC85 \uBCC0\uD658\uAE30\uB294 \uD6E8\uC52C \uD6A8\uC728\uC801\uC77C \uC218 \uC788\uC73C\uBBC0\uB85C (IC\uC758 \uACBD\uC6B0 95% \uC774\uC0C1), \uC804\uD615\uC801\uC778 \uB7A9\uD0D1\uC6A9 \uC804\uC9C0 \uC804\uC555\uC778 12\u201324 V\uB97C CPU\uC5D0\uC11C \uD544\uC694\uB85C \uD558\uB294 \uC218 \uBCFC\uD2B8\uC758 \uC804\uC555\uC73C\uB85C \uB0AE\uCD94\uB294 \uB370 \uC801\uD569\uD558\uB2E4."@ko . . . "Der Abw\u00E4rtswandler, auch Tiefsetzsteller, Abw\u00E4rtsregler, englisch step-down converter oder buck converter, ist in der Elektronik eine Form von schaltendem Gleichspannungswandler. Die Ausgangsspannung UA ist stets kleiner gleich dem Betrag der Eingangsspannung UE."@de . "\u964D\u538B\u53D8\u6362\u5668\uFF08Buck Converter\uFF0C\u53C8\u79F0\u70BABuck\u53D8\u6362\u5668\uFF09\uFF0C\u53C8\u79F0\u70BA\u964D\u58D3\u65AC\u6CE2\u5668\uFF08Buck Chopper\uFF09\uFF0C\u662F\u6703\u964D\u4F4E\u96FB\u58D3\u7684\u76F4\u6D41-\u76F4\u6D41\u8F49\u63DB\u5668\uFF0C\u8F38\u51FA\uFF08\u8CA0\u8F09\uFF09\u7AEF\u7684\u96FB\u58D3\u6703\u6BD4\u8F38\u5165\uFF08\u96FB\u6E90\uFF09\u7AEF\u8981\u4F4E\uFF0C\u4F46\u5176\u8F38\u51FA\u96FB\u6D41\u6703\u5927\u65BC\u8F38\u5165\u96FB\u6D41\u3002\u964D\u538B\u53D8\u6362\u5668\u662F\u5F00\u5173\u7535\u6E90\uFF0C\u4E00\u822C\u81F3\u5C11\u6703\u6709\u4E8C\u500B\u534A\u5C0E\u9AD4\u5143\u4EF6\uFF08\u4E8C\u6975\u9AD4\u53CA\u96FB\u6676\u9AD4\uFF0C\u4E0D\u904E\u65B0\u578B\u7684\u964D\u538B\u53D8\u6362\u5668\u53EF\u80FD\u6703\u7528\u96FB\u6676\u9AD4\u914D\u5408\u540C\u6B65\u6574\u6D41\u4EE3\u66FF\u4E8C\u6975\u9AD4\uFF09\u53CA\u81F3\u5C11\u4E00\u500B\u5132\u80FD\u5143\u4EF6\uFF08\u96FB\u5BB9\u5668\u3001\u96FB\u611F\u5668\u6216\u662F\u4E8C\u8005\u90FD\u6709\uFF09\u3002\u4E00\u822C\u4E5F\u6703\u5728\u8F38\u51FA\u7AEF\u53CA\u8F38\u5165\u7AEF\u52A0\u4E0A\u4EE5\u96FB\u5BB9\u5668\u70BA\u4E3B\u7684\u6FFE\u6CE2\u5668\uFF08\u6709\u6642\u4E5F\u6703\u914D\u5408\u96FB\u611F\u5668\uFF09\u4EE5\u964D\u4F4E\u96FB\u58D3\u6F23\u6CE2\u3002 \u50CF\u964D\u538B\u53D8\u6362\u5668\u4E4B\u985E\u7684\u5F00\u5173\u7535\u6E90\u5176\u6548\u7387\u6703\u6BD4\u7DDA\u6027\u96FB\u58D3\u8ABF\u7BC0\u5668\u8981\u597D\uFF0C\u7DDA\u6027\u7A69\u58D3\u5668\u7684\u96FB\u8DEF\u8F03\u7C21\u55AE\uFF0C\u53EF\u4EE5\u964D\u4F4E\u96FB\u58D3\uFF0C\u4E14\u5176\u8F38\u51FA\u96FB\u58D3\u7684\u6F23\u6CE2\u6703\u6BD4\u964D\u538B\u53D8\u6362\u5668\u8981\u5C0F\u5F88\u591A\uFF0C\u4F46\u4E0D\u8981\u7684\u80FD\u91CF\u6703\u4EE5\u71B1\u7684\u65B9\u5F0F\u91CB\u653E\uFF0C\u800C\u4E14\u4E0D\u80FD\u63D0\u9AD8\u96FB\u6D41\u3002 \u964D\u538B\u53D8\u6362\u5668\u7684\u6548\u7387\u4E00\u822C\u6703\u9AD8\u904E90%\uFF0C\u56E0\u6B64\u5E38\u7528\u4F86\u5C07\u96FB\u8166\u4E2D\u7684\u4E3B\u96FB\u6E90\uFF08\u591A\u534A\u662F12V\uFF09\u964D\u58D3\u5230USB\u3001DRAM\u53CACPU\u9700\u8981\u7684\u96FB\u6E90\uFF081.8V\u6216\u66F4\u4F4E\uFF09\u3002"@zh . . "Un convertisseur buck, ou hacheur s\u00E9rie, est une alimentation \u00E0 d\u00E9coupage qui convertit une tension continue en une autre tension continue de plus faible valeur. Un convertisseur Buck bien con\u00E7u poss\u00E8de un fort rendement (jusqu'\u00E0 95 %) et offre la possibilit\u00E9 de r\u00E9guler la tension de sortie."@fr . . "Przekszta\u0142tnik buck (przekszta\u0142tnik obni\u017Caj\u0105cy napi\u0119cie, ang. step-down, bucking) \u2013 rodzaj przekszta\u0142tnika DC/DC bez izolacji galwanicznej mi\u0119dzy wej\u015Bciem a wyj\u015Bciem. Napi\u0119cie wyj\u015Bciowe jest ni\u017Csze od wej\u015Bciowego, natomiast pr\u0105d wyj\u015Bciowy mo\u017Ce by\u0107 wy\u017Cszy od wej\u015Bciowego."@pl . . "\u0645\u0628\u062F\u0644 \u062E\u0627\u0641\u0636 \u0644\u0644\u062C\u0647\u062F"@ar . "Buck bihurgailu"@eu . "El convertidor reductor\u200B\u200B o convertidor buck (del ingl\u00E9s buck converter) es un convertidor de potencia, DC-DC sin aislamiento galv\u00E1nico, que obtiene a su salida una tensi\u00F3n menor que a su entrada. El dise\u00F1o es similar a un convertidor elevador o Boost, tambi\u00E9n es una fuente conmutada con dos dispositivos semiconductores (transistor S y diodo D), un inductor L y opcionalmente un condensador C a la salida. La forma m\u00E1s simple de reducir una tensi\u00F3n continua (DC) es usar un circuito divisor de tensi\u00F3n, pero los divisores gastan mucha energ\u00EDa en forma de calor. Por otra parte, un convertidor Buck puede tener una alta eficiencia (superior al 95 % con circuitos integrados) y autorregulaci\u00F3n."@es . . . . . . "\u041F\u043E\u043D\u0438\u0436\u0443\u044E\u0447\u0438\u0439 \u043F\u0435\u0440\u0435\u0442\u0432\u043E\u0440\u044E\u0432\u0430\u0447 \u043D\u0430\u043F\u0440\u0443\u0433\u0438 \u2013 \u0446\u0435 \u043F\u0435\u0440\u0435\u0442\u0432\u043E\u0440\u044E\u0432\u0430\u0447, \u043F\u0440\u0438\u0437\u043D\u0430\u0447\u0435\u043D\u0438\u0439 \u0434\u043B\u044F \u043F\u0435\u0440\u0435\u0442\u0432\u043E\u0440\u0435\u043D\u043D\u044F \u0432\u0438\u0441\u043E\u043A\u043E\u0457 \u043D\u0430\u043F\u0440\u0443\u0433\u0438 \u0432 \u0431\u0456\u043B\u044C\u0448 \u043D\u0438\u0437\u044C\u043A\u0443 \u0441\u0442\u0430\u0431\u0456\u043B\u0456\u0437\u043E\u0432\u0430\u043D\u0443 \u043D\u0430\u043F\u0440\u0443\u0433\u0443. \u041C\u0456\u0441\u0442\u0438\u0442\u044C \u043A\u043B\u044E\u0447\u043E\u0432\u0438\u0439 \u0442\u0440\u0430\u043D\u0437\u0438\u0441\u0442\u043E\u0440, \u0434\u0456\u043E\u0434, \u0444\u0456\u043B\u044C\u0442\u0440 \u0456 \u043D\u0430\u0432\u0430\u043D\u0442\u0430\u0436\u0435\u043D\u043D\u044F. \u041F\u0435\u0440\u0435\u0442\u0432\u043E\u0440\u044E\u0432\u0430\u0447 \u043F\u0435\u0440\u0435\u0434\u0430\u0454 \u0435\u043D\u0435\u0440\u0433\u0456\u044E \u043D\u0435\u0432\u0435\u043B\u0438\u043A\u0438\u043C\u0438 \u043F\u043E\u0440\u0446\u0456\u044F\u043C\u0438 \u0432\u0456\u0434 \u0434\u0436\u0435\u0440\u0435\u043B\u0430 \u0436\u0438\u0432\u043B\u0435\u043D\u043D\u044F \u0432 \u043D\u0430\u0432\u0430\u043D\u0442\u0430\u0436\u0435\u043D\u043D\u044F. \u041D\u0435\u0437\u0432\u0430\u0436\u0430\u044E\u0447\u0438 \u043D\u0430 \u0437\u0431\u0456\u043B\u044C\u0448\u0435\u043D\u0456, \u0432 \u043F\u043E\u0440\u0456\u0432\u043D\u044F\u043D\u043D\u0456 \u0437 \u043B\u0456\u043D\u0456\u0439\u043D\u0438\u043C\u0438 \u0441\u0442\u0430\u0431\u0456\u043B\u0456\u0437\u0430\u0442\u043E\u0440\u0430\u043C\u0438, \u0433\u0430\u0431\u0430\u0440\u0438\u0442\u0438 \u0456 \u043F\u043E\u0440\u0456\u0432\u043D\u044F\u043D\u043E \u0432\u0435\u043B\u0438\u043A\u0438\u0439 \u0440\u0456\u0432\u0435\u043D\u044C \u043F\u0443\u043B\u044C\u0441\u0430\u0446\u0456\u0439, \u0446\u0456 \u043F\u0435\u0440\u0435\u0442\u0432\u043E\u0440\u044E\u0432\u0430\u0447\u0456 \u043C\u0430\u044E\u0442\u044C \u0456\u0441\u0442\u043E\u0442\u043D\u0443 \u043F\u0435\u0440\u0435\u0432\u0430\u0433\u0443 - \u0432\u0438\u0441\u043E\u043A\u0438\u0439 \u041A\u041A\u0414. \u0422\u043E\u043C\u0443 \u0432\u043E\u043D\u0438 \u0437\u043D\u0430\u0445\u043E\u0434\u044F\u0442\u044C \u0448\u0438\u0440\u043E\u043A\u0435 \u0437\u0430\u0441\u0442\u043E\u0441\u0443\u0432\u0430\u043D\u043D\u044F \u0432 \u0435\u043B\u0435\u043A\u0442\u0440\u043E\u043D\u043D\u0456\u0439 \u0430\u043F\u0430\u0440\u0430\u0442\u0443\u0440\u0456. \u041D\u0430\u043F\u0440\u0443\u0433\u0430 U\u043D(t) \u043D\u0430 \u0432\u0438\u0445\u043E\u0434\u0456 \u0440\u0435\u0433\u0443\u043B\u044E\u044E\u0447\u043E\u0433\u043E \u0435\u043B\u0435\u043C\u0435\u043D\u0442\u0430 \u0454 \u0456\u043C\u043F\u0443\u043B\u044C\u0441\u043D\u043E\u044E. \u0414\u043B\u044F \u043E\u0442\u0440\u0438\u043C\u0430\u043D\u043D\u044F \u043D\u0430 \u043D\u0430\u0432\u0430\u043D\u0442\u0430\u0436\u0435\u043D\u043D\u0456 \u043F\u043E\u0441\u0442\u0456\u0439\u043D\u043E\u0457 \u043D\u0430\u043F\u0440\u0443\u0433\u0438, \u044F\u043A\u0430 \u0434\u043E\u0440\u0456\u0432\u043D\u044E\u0454 \u0441\u0435\u0440\u0435\u0434\u043D\u044C\u043E\u043C\u0443 \u0437\u043D\u0430\u0447\u0435\u043D\u043D\u044E \u0432\u0438\u0445\u0456\u0434\u043D\u043E\u0457 \u043D\u0430\u043F\u0440\u0443\u0433\u0438 U\u043D, \u043C\u0456\u0436 \u0440\u0435\u0433\u0443\u043B\u044E\u044E\u0447\u0438\u043C \u0435\u043B\u0435\u043C\u0435\u043D\u0442\u043E\u043C \u0456 \u043D\u0430\u0432\u0430\u043D\u0442\u0430\u0436\u0435\u043D\u043D\u044F\u043C \u0432\u043A\u043B\u044E\u0447\u0430\u044E\u0442\u044C \u0437\u0433\u043B\u0430\u0434\u0436\u0443\u044E\u0447\u0438\u0439 \u0444\u0456\u043B\u044C\u0442\u0440. \u041D\u0430\u0439\u0447\u0430\u0441\u0442\u0456\u0448\u0435 \u0432 \u0456\u043C\u043F\u0443\u043B\u044C\u0441\u043D\u0438\u0445 \u0440\u0435\u0433\u0443\u043B\u044F\u0442\u043E\u0440\u0430\u0445 \u0432\u0438\u043A\u043E\u0440\u0438\u0441\u0442\u043E\u0432\u0443\u044E\u0442\u044C \u0456\u043D\u0434\u0443\u043A\u0442\u0438\u0432\u043D\u0438\u0439 \u0444\u0456\u043B\u044C\u0442\u0440. \u041D\u0430 \u0432\u0456\u0434\u043C\u0456\u043D\u0443 \u0432\u0456\u0434 \u0437\u0432\u0438\u0447\u0430\u0439\u043D\u043E\u0433\u043E L- \u0447\u0438 LC-\u0444\u0456\u043B\u044C\u0442\u0440\u0430, \u0432 \u0434\u0430\u043D\u043E\u043C\u0443 \u0432\u0438\u043F\u0430\u0434\u043A\u0443 \u0444\u0456\u043B\u044C\u0442\u0440 \u043E\u0431\u043E\u0432'\u044F\u0437\u043A\u043E\u0432\u043E \u0434\u043E\u043F\u043E\u0432\u043D\u044E\u0454\u0442\u044C\u0441\u044F \u0434\u0456\u043E\u0434\u043E\u043C VD, \u044F\u043A\u0438\u0439 \u043D\u0430\u0437\u0438\u0432\u0430\u044E\u0442\u044C \u0437\u0432\u043E\u0440\u043E\u0442\u043D\u0456\u043C \u0434\u0456\u043E\u0434\u043E\u043C. \u0426\u0435\u0439 \u0434\u0456\u043E\u0434 \u043F\u0440\u043E\u043F\u0443\u0441\u043A\u0430\u0454 \u0441\u0442\u0440\u0443\u043C \u0434\u0440\u043E\u0441\u0435\u043B\u044F L \u0432 \u0442\u0456 \u0456\u043D\u0442\u0435\u0440\u0432\u0430\u043B\u0438 \u0447\u0430\u0441\u0443, \u043A\u043E\u043B\u0438 \u0442\u0440\u0430\u043D\u0437\u0438\u0441\u0442\u043E\u0440 VT \u0437\u0430\u043A\u0440\u0438\u0442\u0438\u0439 (\u043A\u043B\u044E\u0447 \u0440\u043E\u0437\u0456\u043C\u043A\u043D\u0443\u0442\u0438\u0439). \u041A\u043E\u043B\u0438 \u0441\u0438\u0441\u0442\u0435\u043C\u0430 \u043A\u0435\u0440\u0443\u0432\u0430\u043D\u043D\u044F \u0421\u041A \u0432\u0456\u0434\u043A\u0440\u0438\u0432\u0430\u0454 \u0442\u0440\u0430\u043D\u0437\u0438\u0441\u0442\u043E\u0440 VT (\u043A\u043B\u044E\u0447 \u0437\u0430\u043C\u0438\u043A\u0430\u0454\u0442\u044C\u0441\u044F), \u0432\u0456\u0434 \u0434\u0436\u0435\u0440\u0435\u043B\u0430 \u0436\u0438\u0432\u043B\u0435\u043D\u043D\u044F Ud \u0432 \u043D\u0430\u0432\u0430\u043D\u0442\u0430\u0436\u0435\u043D\u043D\u044F R\u043D \u043F\u0440\u043E\u0442\u0456\u043A\u0430\u0454 \u0441\u0442\u0440\u0443\u043C \u043F\u043E \u043B\u0430\u043D\u0446\u044E\u0433\u0443, \u043F\u043E\u0437\u043D\u0430\u0447\u0435\u043D\u043E\u043C\u0443 \u0431\u0435\u0437\u043F\u0435\u0440\u0435\u0440\u0432\u043D\u043E\u044E \u0441\u0442\u0440\u0456\u043B\u043A\u043E\u044E. \u0423 \u0446\u0435\u0439 \u0456\u043D\u0442\u0435\u0440\u0432\u0430\u043B \u0447\u0430\u0441\u0443 0 ... t\u0456 \u0434\u0456\u043E\u0434 VD \u0437\u0430\u043A\u0440\u0438\u0442\u0438\u0439, \u0441\u0442\u0440\u0443\u043C \u0437\u0440\u043E\u0441\u0442\u0430\u0454 \u0456 \u0432 \u0435\u043B\u0435\u043C\u0435\u043D\u0442\u0430\u0445 \u0444\u0456\u043B\u044C\u0442\u0440\u0430 L \u0456 \u0421 \u043D\u0430\u043A\u043E\u043F\u0438\u0447\u0443\u0454\u0442\u044C\u0441\u044F \u0435\u043D\u0435\u0440\u0433\u0456\u044F. \u041F\u0440\u0438 \u0437\u0430\u043A\u0440\u0438\u0432\u0430\u043D\u043D\u0456 \u0442\u0440\u0430\u043D\u0437\u0438\u0441\u0442\u043E\u0440\u0430 (\u0440\u043E\u0437\u043C\u0438\u043A\u0430\u043D\u043D\u0456 \u043A\u043B\u044E\u0447\u0430 ) \u043D\u0430\u0432\u0430\u043D\u0442\u0430\u0436\u0435\u043D\u043D\u044F R\u043D \u0432\u0456\u0434'\u0454\u0434\u043D\u0443\u0454\u0442\u044C\u0441\u044F \u0432\u0456\u0434 \u0434\u0436\u0435\u0440\u0435\u043B\u0430 \u0436\u0438\u0432\u043B\u0435\u043D\u043D\u044F Ud \u0456 \u0441\u0442\u0440\u0443\u043C \u0432 \u043D\u044C\u043E\u043C\u0443 \u043F\u0456\u0434\u0442\u0440\u0438\u043C\u0443\u0454\u0442\u044C\u0441\u044F \u0437\u0430 \u0440\u0430\u0445\u0443\u043D\u043E\u043A \u0435\u043D\u0435\u0440\u0433\u0456\u0457, \u044F\u043A\u0430 \u0431\u0443\u043B\u0430 \u043D\u0430\u043A\u043E\u043F\u0438\u0447\u0435\u043D\u0430 \u0432 \u0435\u043B\u0435\u043C\u0435\u043D\u0442\u0430\u0445 \u0444\u0456\u043B\u044C\u0442\u0440\u0430. \u0423 \u0446\u0435\u0439 \u0456\u043D\u0442\u0435\u0440\u0432\u0430\u043B \u0447\u0430\u0441\u0443 ti...\u0422 \u043A\u043E\u043D\u0434\u0435\u043D\u0441\u0430\u0442\u043E\u0440 \u0421 \u0440\u043E\u0437\u0440\u044F\u0436\u0430\u0454\u0442\u044C\u0441\u044F \u0447\u0435\u0440\u0435\u0437 \u043D\u0430\u0432\u0430\u043D\u0442\u0430\u0436\u0435\u043D\u043D\u044F R\u043D. \u0421\u0442\u0440\u0443\u043C \u0434\u0440\u043E\u0441\u0435\u043B\u044F L \u043F\u0440\u043E\u0442\u0456\u043A\u0430\u0454 \u0447\u0435\u0440\u0435\u0437 \u043D\u0430\u0432\u0430\u043D\u0442\u0430\u0436\u0435\u043D\u043D\u044F R\u043D \u0456 \u0437\u0430\u043C\u0438\u043A\u0430\u0454\u0442\u044C\u0441\u044F \u0447\u0435\u0440\u0435\u0437 \u0434\u0456\u043E\u0434 VD, \u044F\u043A\u0438\u0439 \u0432 \u0446\u0435\u0439 \u0447\u0430\u0441 \u0432\u0456\u0434\u043A\u0440\u0438\u0442\u0438\u0439. \u0412\u043D\u0430\u0441\u043B\u0456\u0434\u043E\u043A \u0446\u044C\u043E\u0433\u043E \u0435\u043D\u0435\u0440\u0433\u0456\u044F, \u044F\u043A\u0430 \u0431\u0443\u043B\u0430 \u043D\u0430\u043A\u043E\u043F\u0438\u0447\u0435\u043D\u0430 \u0432 \u0434\u0440\u043E\u0441\u0435\u043B\u0456, \u043F\u0435\u0440\u0435\u0434\u0430\u0454\u0442\u044C\u0441\u044F \u0434\u043E \u043D\u0430\u0432\u0430\u043D\u0442\u0430\u0436\u0435\u043D\u043D\u044F. \u041A\u043E\u043B\u043E \u043F\u0440\u043E\u0442\u0456\u043A\u0430\u043D\u043D\u044F \u0441\u0442\u0440\u0443\u043C\u0443 \u0434\u0440\u043E\u0441\u0435\u043B\u044F \u0432 \u0456\u043D\u0442\u0435\u0440\u0432\u0430\u043B\u0456 \u0447\u0430\u0441\u0443 ti...\u0422 \u043F\u043E\u043A\u0430\u0437\u0430\u043D\u043E \u043F\u0435\u0440\u0435\u0440\u0432\u043D\u043E\u044E \u0441\u0442\u0440\u0456\u043B\u043A\u043E\u044E. \u0427\u0430\u0441\u043E\u0432\u0456 \u0434\u0456\u0430\u0433\u0440\u0430\u043C\u0438 \u043F\u043E\u043A\u0430\u0437\u0430\u043D\u0456 \u043D\u0430 \u0440\u0438\u0441. \u00AB\u0427\u0430\u0441\u043E\u0432\u0456 \u0434\u0456\u0430\u0433\u0440\u0430\u043C\u0438 \u043F\u043E\u043D\u0438\u0436\u0443\u044E\u0447\u043E\u0433\u043E \u043F\u0435\u0440\u0435\u0442\u0432\u043E\u0440\u044E\u0432\u0430\u0447\u0430\u00BB. \u042F\u043A\u0449\u043E \u0434\u043B\u044F \u0437\u0433\u043B\u0430\u0434\u0436\u0443\u0432\u0430\u043D\u043D\u044F \u043F\u0443\u043B\u044C\u0441\u0430\u0446\u0456\u0439 \u0432\u0438\u043A\u043E\u0440\u0438\u0441\u0442\u043E\u0432\u0443\u044E\u0442\u044C L\u0421-\u0444\u0456\u043B\u044C\u0442\u0440, \u043F\u0440\u043E\u0446\u0435\u0441\u0438 \u0432 \u0456\u043C\u043F\u0443\u043B\u044C\u0441\u043D\u043E\u043C\u0443 \u0440\u0435\u0433\u0443\u043B\u044F\u0442\u043E\u0440\u0456 \u043C\u0430\u044E\u0442\u044C \u0441\u043A\u043B\u0430\u0434\u043D\u0456\u0448\u0438\u0439 \u0445\u0430\u0440\u0430\u043A\u0442\u0435\u0440. \u0417\u043E\u043A\u0440\u0435\u043C\u0430, \u043C\u043E\u0436\u043B\u0438\u0432\u0456 \u0434\u0432\u0430 \u0440\u0435\u0436\u0438\u043C\u0438 \u0440\u043E\u0431\u043E\u0442\u0438 \u0434\u0440\u043E\u0441\u0435\u043B\u044F \u0444\u0456\u043B\u044C\u0442\u0440\u0430, \u043A\u043E\u043B\u0438 \u0454\u043C\u043D\u0456\u0441\u0442\u044C \u043D\u0435\u0441\u043A\u0456\u043D\u0447\u0435\u043D\u043D\u043E \u0432\u0435\u043B\u0438\u043A\u0430: 1) \u0440\u0435\u0436\u0438\u043C \u0431\u0435\u0437\u043F\u0435\u0440\u0435\u0440\u0432\u043D\u043E\u0433\u043E \u043F\u0440\u043E\u0442\u0456\u043A\u0430\u043D\u043D\u044F \u0441\u0442\u0440\u0443\u043C\u0443 \u0432 \u0434\u0440\u043E\u0441\u0435\u043B\u0456 (\u0434\u0438\u0432 \u0440\u0438\u0441.\u00AB \u0420\u0435\u0436\u0438\u043C \u0431\u0435\u0437\u043F\u0435\u0440\u0435\u0440\u0432\u043D\u043E\u0433\u043E \u043F\u0440\u043E\u0442\u0456\u043A\u0430\u043D\u043D\u044F \u0441\u0442\u0440\u0443\u043C\u0443 \u0432 \u0434\u0440\u043E\u0441\u0435\u043B\u0456\u00BB); 2) \u0440\u0435\u0436\u0438\u043C \u043F\u0435\u0440\u0435\u0440\u0432\u043D\u043E\u0433\u043E \u043F\u0440\u043E\u0442\u0456\u043A\u0430\u043D\u043D\u044F \u0441\u0442\u0440\u0443\u043C\u0443 \u0432 \u0434\u0440\u043E\u0441\u0435\u043B\u0456 (\u0434\u0438\u0432. \u0440\u0438\u0441.\u00AB \u0420\u0435\u0436\u0438\u043C \u043F\u0435\u0440\u0435\u0440\u0432\u043D\u043E\u0433\u043E \u043F\u0440\u043E\u0442\u0456\u043A\u0430\u043D\u043D\u044F \u0441\u0442\u0440\u0443\u043C\u0443 \u0432 \u0434\u0440\u043E\u0441\u0435\u043B\u0456\u00BB)."@uk . . . "Abw\u00E4rtswandler"@de . . "3486696"^^ . . "Buck bihurgailua (step-down bihurgailua) korronte zuzeneko elikadura-tentsioa irteeran murrizten duen da. Bi etengailu erdieroale (diodoa eta transistorea), haril eta kondentsadore bana darama. Korronte zuzeneko tentsioa murrizteko modurik errazena tentsio-zatitzaileak erabiltzea da, baina potentzia asko bero moduan galtzen denez, ez da eraginkorra. Horrez gain, tentsio-zatitzaileen irteerako tentsioa sarrerakoarekin aldatzen da. Bestalde, Buck bihurgailuek eraginkortasun handia dute (%95tik gorakoa) eta autoerregulatu daitezke."@eu . . . . . . . . . . "Der Abw\u00E4rtswandler, auch Tiefsetzsteller, Abw\u00E4rtsregler, englisch step-down converter oder buck converter, ist in der Elektronik eine Form von schaltendem Gleichspannungswandler. Die Ausgangsspannung UA ist stets kleiner gleich dem Betrag der Eingangsspannung UE."@de . . . . . "A buck converter (step-down converter) is a DC-to-DC power converter which steps down voltage (while stepping up current) from its input (supply) to its output (load). It is a class of switched-mode power supply (SMPS) typically containing at least two semiconductors (a diode and a transistor, although modern buck converters frequently replace the diode with a second transistor used for synchronous rectification) and at least one energy storage element, a capacitor, inductor, or the two in combination. To reduce voltage ripple, filters made of capacitors (sometimes in combination with inductors) are normally added to such a converter's output (load-side filter) and input (supply-side filter). Its name derives from the inductor that \u201Cbucks\u201D or opposes the supply voltage. Switching converters (such as buck converters) provide much greater power efficiency as DC-to-DC converters than linear regulators, which are simpler circuits that lower voltages by dissipating power as heat, but do not step up output current. The efficiency of buck converters can be very high, often over 90%, making them useful for tasks such as converting a computer's main supply voltage, which is usually 12 V, down to lower voltages needed by USB, DRAM and the CPU, which are usually 5, 3.3 or 1.8 V. Buck convertors typically operate with a switching frequency range from 100 kHz to a few MHz. A higher switching frequency allows for use of smaller inductors and capacitors, but also increases lost efficiency to more frequent transistor switching."@en . . . . "Un convertitore buck \u00E8 un convertitore DC-DC riduttore (convertitore step-down). La tipologia \u00E8 simile al convertitore boost (un convertitore step-up, ossia elevatore) e fa parte della categoria dei convertitori switching. Il circuito \u00E8 costituito da due interruttori (un transistor e un diodo), un induttore e un condensatore. Il modo pi\u00F9 semplice per ridurre una tensione continua \u00E8 usare un partitore di tensione, un metodo poco efficace, dato che l'energia eccedente viene dissipata in calore. Un convertitore buck pu\u00F2 essere notevolmente efficiente (fino a 95% per i circuiti integrati) ed \u00E8 molto versatile, potendosi adattare alle varie situazioni, come ad esempio convertire la tensione tipica della batteria (12-24 V) in un laptop fino ai pochi volt necessari alla CPU."@it . . . . "Conversor buck (conversor abaixador) \u00E9 um conversor CC/CC que diminui a tens\u00E3o (enquanto aumenta a corrente) de sua entrada (alimenta\u00E7\u00E3o) para sua sa\u00EDda (carga). \u00C9 similar ao conversor boost (elevador) e \u00E9 um tipo de fonte chaveada (SMPS) que normalmente cont\u00E9m pelo menos dois semicondutores (um diodo e um transistor, embora os conversores buck modernos substituam o diodo por um segundo transistor usado para retifica\u00E7\u00E3o s\u00EDncrona) e pelo menos um elemento de armazenamento de energia, um capacitor, indutor ou os dois combinados. Para reduzir o ripple de tens\u00E3o, filtros feitos de capacitores (\u00E0s vezes em combina\u00E7\u00E3o com indutores) s\u00E3o normalmente adicionados a essa sa\u00EDda do conversor (filtro do lado da carga) e \u00E0 entrada (filtro do lado da alimenta\u00E7\u00E3o). Os conversores de chaveamento (como os conversores buck) fornecem muito maior do que os reguladores lineares, que s\u00E3o circuitos mais simples que reduzem as tens\u00F5es dissipando a energia como calor, mas n\u00E3o aumentam a corrente na sa\u00EDda. Os conversores buck podem ser altamente eficientes (muitas vezes acima de 90%), tornando-os \u00FAteis para tarefas como converter a tens\u00E3o principal da fonte de um computador (geralmente 12 V) para tens\u00F5es mais baixas, necess\u00E1rias para USB, DRAM e CPU (1,8 V ou menos)."@pt . "Un convertitore buck \u00E8 un convertitore DC-DC riduttore (convertitore step-down). La tipologia \u00E8 simile al convertitore boost (un convertitore step-up, ossia elevatore) e fa parte della categoria dei convertitori switching. Il circuito \u00E8 costituito da due interruttori (un transistor e un diodo), un induttore e un condensatore."@it . . . . . . . . .