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Part Name
Description
KA3511D View Datasheet(PDF) - Fairchild Semiconductor
Part Name
Description
Manufacturer
KA3511D
INTELLIGENT VOLTAGE MODE PWM IC
Fairchild Semiconductor
KA3511D Datasheet PDF : 21 Pages
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KA3511/D
BLOCK DIAGRAM
INTELLIGENT VOLTAGE MODE PWM
V5 V12
R
T
7
C
T
8
COMP
2
E/A(-)
3
4
E/A(+)
DEAD TIME
CONTROL
19
12
VREF
V
CC
1
OSCILLATOR
PWM
CONTROL
DQ
CK Q
1.25V
DEAD TIME
CONTROLLER
0.1V
R
Q
S
VREF
INTERNAL
BIAS
Start Up
COMP1
5V
5V
VREF
Ichag
PG
GENERATOR
DELAY
CONTROLLER
REMOTE ON/OFF
1.4V
VREF
OVP
COMP
1.25V
DET
9
COMP2
1.25V
COMP3
1.8V 0.6V
1.8V
0.6V
UVP
COMP
1.25V
10
T
PG
2.2uF
17
T
UVP
2.2uF
18
GND
22
C1
20 C2
21 E
5
T
REM
6
REM
(PS-ON)
11
PG
16
PT
15 V12
14 V5
13
V3.3
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