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Tiny Switch器件应用实例

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摘要 一、电视机备用电源 Tiny Switch器件适用于诸如电视机等消费电子产品所用的廉价高效率备用电源。图1示出了一种用TNY253来实现电视机备用电源的7.5V、1.3W回扫电路。该电路从主电源获得的直流高压供电。此直流输入高压从120~375V不等,视电视机额定交流输入电压而定。电容器C1对直流高压电源进行滤波,C1只是在从直流电源到电视机备用电源电路输入端连线很长时才需要使用。
作者 张建新
出处 《电子制作》 2000年第2期10-11,共2页 Practical Electronics
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