FA5695 Datasheet, PDF (5/21 Pages) Fuji Electric – Fuji Switching Power Supply Control IC

4. Block diagram
FA5695
5. Pin assignment
VCC OUT GND IS
8765
1234
FB COMP RT OVP
Pin
Pin
No. symbol
1
FB
2
COMP
3
RT
4
OVP
5
IS
6
GND
7
OUT
8
VCC
Function
Feedback Voltage Input
Compensation
Set Maximum on time
Over voltage detection
Current Sense Input
Ground
Output
Power Supply
Description
Input for monitoring PFC output voltage
Output of error amplifier
Set Maximum on time by connecting
resistor
Monitor the output of converter and protects
from over voltage
Input for sensing current
Ground
Output for driving a power MOSFET
Power supply for IC
Fuji Electric Co., Ltd.
AN-073E Rev.1.1
April-2011
5
http://www.fujielectric.co.jp/products/semiconductor/