WS3252 controller equivalent, high precision cc/cv primary-side pwm controller.
* 5uA ultra-low startup current
* 2mA Low operating current
*±5% Constant Voltage Regulation at Universal AC input
* Primary-side Sensing and Regulation W.
Low power AC/DC offline SMPS for
* Cell Phone Charger
* Digital Cameras Charger
* Small Power Adapter
* .
WS3252 is a high-integrated offline PWM controller, optemized for high poformance low power AC/DC charger and adapter adapter application. WS3252 operates in primary-side sensing and regulation. Consequently, opto-coupler and TL431 could be eliminate.
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