WS3253 switch equivalent, high precision primary-side off-line pwm power switch.
� 5uA ultra-low startup current � 2mA Low operating current � ±5% Constant Voltage Regulation at Universal AC
input
� Primary-side Sensing and Regulation Without
TL431 an.
Low power AC/DC offline SMPS for � Cell Phones/Cordless phones Charger � Digital Cameras Charger � Small Power Adapter �.
High Precision Primary-Side Off-line PWM Power Switch
Features � 5uA ultra-low startup current � 2mA Low operating current � ±5% Constant Voltage Regulation at Universal AC
input
� Primary-side Sensing and Regulation Without
TL431 and Opto-coupler
.
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