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UC3848
BLOCK DIAGRAM
VCC
7
SS 1
FB 2
OVP
UVLO
Reference voltage
Logic
Control
Soft Start
Delay
Time
OTP
Burst Mode
OLP
Slope
Compensation
PWM
COMP
5
GND
LINEAR INTEGRATED CIRCUIT
Frequency
Hopping
Oscillator
8 VREF
Latch
SQ
RQ
Driver
6 OUT
Constant
Power Limit
4
VIN
Current
Limiting
LEB 3 CS
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
3 of 11
QW-R103-033.F