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L5101
BLOCK DIAGRAM
VIN
5
95mV
1.25V
VREF
LINEAR INTEGRATED CIRCUIT
Over Voltage
Comparator
+ 27V
-
6 OVP
FB 3
SHDN 1
Error
+ AMP
-
RC
CC
PWM
Comparator
-
+
Control
Logic
Driver
Q1
RAMP
GENERATOR
1.2MHz
Oscillator
+
RS
Current AMP. -
4 SW
2 GND
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
3 of 10
QW-R103-026.B