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3 7 63 1515 0
SW POWER BOARD IC11 CXD9841P (POWER CONTROL)
Pin No.
Pin Name
1
VSENSE
2
F/B
3
CT
4
RT
5
GND
6
TIMER
7
SS
8
VC1
OCP
9
10
VC2
11
PGND
12
VG (L)
13
-
14
VG
15
VS
16
VG (H)
17
-
18
VD
TE
L 13942296513
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I/O
I
AC line voltage detection terminal
I
Feed back signal input terminal for frequency modulation of oscillator
I
Connected to the external capacitor for oscillator duty/frequency setting
I
Connected to the external resistor for oscillator frequency setting
-
Ground terminal
Connected to the external capacitor for determines intermittent operation period when abnormal
I
detection state
I
Connected to the external capacitor for soft start timing
I
Power supply terminal for control circuit "L": stop
I
Over current detection signal and didt protection signal input terminal
O
Power supply output terminal for driver
-
Ground terminal for low voltage side driver
O
Low voltage side driver drive signal output terminal
-
Not used
O
Power supply output terminal for high voltage side driver
I
High voltage side driver refference voltage input terminal
O
High voltage side driver drive signal output terminal
-
Not used
Terminal for drain-kick starting. When starting, current is supplied directly from the
I
rectification diode to VC1.
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2 9
8
Description
Q Q
3
6 7
1 3
1 5
co
.
HCD-CPZ1
9 4
2 8
0 5
8
2 9
9 4
2 8
m
9 9
9 9
57
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