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4.STR-S5707 : POWER IC
7
SENS
PNP +2Di
R6
R7
R8 R9
Internal Circuit Constants
R1
TON Adjustment Trimming Resistor
R2
TOFF Adjustment Trimming Resistor
R3
1.0KΩ
R4
100Ω
R5
85Ω
R6
Vs Adjustment Trimming Resistor
R7
14KΩ
Function of Terminal
Terminal symbol
1
C
Collector Terminal
2
GND
Ground Terminal
3
B
base Terminal
4
SINK
Sink Terminal
5
OCP
Overcurrent Protection Terminal
6
INH
Inhibit Terminal
Latch Terminal
7
SENS
Sensing Terminal
8
DRIVE
Drive Terminal
9
V
V
IN
IN
V IN
9
START UP
OVP
PRE REG
T.S.D
R1
C1
Description
Terminal
LATCH
PROPOTIONAL
OSC
OCP
INH-1
REF
INH-2
REF
INH-3
REF
R2
C2
C4
R5
INH
R8
2.5KΩ
R9
35KΩ
C1
3300
C2
0.01¥ F
30
Tr2
DRIVE
R3
R4
REF
Tr1
R4
C3
6
C3
820pF
C4
0.01¥ F
F
C5
1500pF
p
Front
1
2
3
4
5
6
7
8
8
DIRVE
4
SINK
3
B
1
C
2
GND
5
OCP
9
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