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万能充电器电路图PDF文档，共70页

1      Introduction
This   document   is   an   engineering   report   giving   performance   characteristics   of   a   5.5   V,
500 mA charger/adapter. The charger uses LinkSwitch – an integrated IC combining a
700   V   high   voltage   MOSFET,   PWM   controller,   start-up,   thermal   shut   down   and   fault
protection circuitry.       The controller provides both duty cycle and current limit control to
yield   a   constant   voltage/constant   current   output   characteristic   without  secondary-side

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sensing. This power supply is designed to provide a cost effective replacement for linear
transformer       based     chargers     and    adapters     while   providing     the   additional    benefits    of
universal input range and high energy efficiency. 字串8