FAN4803
FAN4803 is 8-Pin PFC and PWM Controller Combo manufactured by Fairchild Semiconductor.
.fairchildsemi.
8-Pin PFC and PWM Controller bo
Features
- Internally synchronized PFC and PWM in one 8-pin IC
- Proprietary one-pin voltage error amplifier with advanc 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
General Description
The FAN4803 is a space-saving...