FAN4803

8-Pin PFC and PWM Controller Combo

 

 

Features

 Internally synchronized PFC and PWM in one 8-pin IC

 Patented one-pin voltage error amplifier with advanced 

input current shaping technique

 Peak or average current, continuous boost, leading edge 

PFC (Input Current Shaping Technology)

 High efficiency trailing-edge current mode PWM

 Low supply currents; start-up: 150µA typ., operating: 

2mA typ.

 Synchronized leading and trailing edge modulation

 Reduces ripple current in the storage capacitor between 

the PFC and PWM sections

 Overvoltage, UVLO, and brownout protection 

 PFC VCCOVP with PFC Soft Start

 

 

 

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