WS3256 Product Description 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 � Programmable CV and CC Regulation � Built-in Primary winding inductance compensation � Programmable cable drop compensation � Built-in soft start � Built-in Leading-edge blanking � Cycle by cycle over current protection (OCP) � VCC over voltage clamp & under voltage lockout( UVLO) � Maximum Gate output voltage clamped at 12V � Frequency jittering � Ultra low standby power (100mW) Applications Low power AC/DC offline ...

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