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Features Constant Output Current: o V9921 – 20mA o V9922 – 50mA o V9923 – 30mA Universal 85-264VAC Operation Fixed OFF-Time Buck Converter Internal 500V Power MOSFET Applications Decorative Lighting Low Power Lighting Fixtures General Description The V9921/22/23 are pulse width mod228 次阅读|没有评论
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