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IC351 AN17880A-EAL
16
15
14
BIAS
STANDBY
SW
C-AMP
SW
3
1
2
IC421 XC6367B102MR
SLOW
START
REFERENCE
VOLTAGE
VDD
COMPARATOR
1
FB
VDD
2
CHIP
CE
3
ENABLE
x
ao
u163
y
i
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2 9
8
13
12
11
10
9
BEEP
MUTE
SW
4
5
7
6
Q Q
3
6 7
1 3
1 5
VLX
LIMITER
PWM/PFM
PHASE
BUFFER
CONTROL
OSC 100kHz
–
+
co
.
9 4
2 8
8
0 5
8
2 9
9 4
5
EXT
4
GND
m
D-VE45
9 9
2 8
9 9
27
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