U3848 Datasheet, PDF (3/12 Pages) Unisonic Technologies – HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS

UC3848
„ BLOCK DIAGRAM
VCC
7
SS 1
OVP
OLP
OTP
VREF
8
UVLO
Reference voltage
Soft Start
Power-Saving
Unit
LINEAR INTEGRATED CIRCUIT

NC
4
Oscillator
Latch
SQ
RQ
Driver
5 OUT
FB 2
PWM
COMP
6
GND


Explain:OLP(Over Load Protection)
OVP(Over Voltage Protection)
OTP(Over Temperature Protection)
UVLO(Under Voltage Latch-Out
LEB(Led Edge Blanking)
SS(Soft Start)
Current
Limiting
LEB ^{3 CS}


UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
3 of 12
QW-R103-033,C