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SA-WA10R
POWER (SW) BOARD IC01 CXD9841P (POWER CONTROL)
Pin No.
Pin Name
1
VSENSE
2
F/B
3
CT
4
RT
5
GND
6
PROTECT
7
SS
8
VC1
9
OCP
10
VC2
11
P-GND
12
VG-L
13
-
14
VB
15
VS
16
VG-H
17
-
18
VD
20
I/O
I
AC line voltage detection signal input 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 abnor-
I
mal detection state
I
Connected to the external capacitor for soft start timing
I
Power supply terminal for control circuit
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 reference voltage input terminal
O
High voltage side driver drive signal output terminal
-
Not used
Terminal for drain-kick startingWhen starting, current is supplied directly from the rectifi cation
I
diode to VC1
Description
"L": stop
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