UC3848
PIN CONFIGURATION
LINEAR INTEGRATED CIRCUIT
SS 1
FB 2
CS 3
VIN 4
8 VREF
7 VCC
6 OUT
5 GND
PIN DESCRIPTION
PIN NO.
1
2
3
4
5
6
7
8
SYMBOL
SS
FB
CS
VIN
GND
OUT
VCC
VREF
FUNCTION
Soft-start
Feedback
Controller current sense input
Connected RVIN to line voltage compensating VCSTH,and providing constant output
power limiting for universal AC input Range
Ground
Output to the gate of external power MOS
Supply voltage
Inter Reference Voltage
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2 of 11
QW-R103-033.F