...芯片、脉冲频率调制（PFM）芯片等；另一类是对中、小功率开关电源实现的单片集成化，例如美国电源集成公司（Power Integrations）在世界上率先研制成功的三端隔离式脉宽调制型单片开关电源TOPSwitch系列芯片等。 模块化是指功率器件以及单元电路的模块化。
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1994年美国电源集成公司（Power Integrations Inc，PI）在世界上首先研制成功三端隔离脉宽调制型反激式单 片丌关电源。
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... 制造商: Power Integrations 安装风格: Through Hole 封装 / 箱体: TO-247AD ...
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POWER Power Integrations Inc 美国电源集成公司
Thanks to a microchip, the new power supply from Power Integrations Inc. of Sunnycale, California is smart enough to know when power is needed.
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