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FAN7585 데이터 시트보기 (PDF) - Fairchild Semiconductor
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FAN7585
Intelligent Voltage Mode PWM IC
Fairchild Semiconductor
FAN7585 Datasheet PDF : 16 Pages
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FAN7585
Internal Block Diagram
R
T
/C
T
7
COMP
2
E/A(-)
3
E/A(+)
4
DTC
21
Vref
12
Vcc
1
RI
8
V5
DET
9
OSCILLATOR
PWM
CONTROL
DQ
CK Q
1.25V
Vref
Start
Up
DEAD TIME
CONTROLER
0.1V
RL
Q
SL
Delay
Controller
L
1.4V
OVP COMP
INTERNAL
BIAS
L
Vref
Vref
Iref1=Vref/RI
Vref
L
L
V5
1.8V
!"
0.6V
Ichag
H
L
PG
H
GENERATOR
L
L
L
L
COMP3
1.8V
!"
0.6V
COMP2
1.25V
H
UVP COMP
H
L
H
1.25V
OCP
L
L
L
Iref1*5
10
T
PG
11
20
PG T
UVP
23
GND
24
C1
22
C2
5
T
REM
6
REM
(PS-ON)
19
PT
18
V12
16
V5
14
V33
13
IS33
15
IS5
17
IS12
2
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