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PV-D300 / VM-D100 / PV-L550 / PV-L600 / PV-L650 / VM-L450
IC1001 PWM CONTROL IC-DETAIL BLOCK DIAGRAM, BA9710KV
36
VDD
37
REFERENCE
VOLTAGE
REGULATOR
38
39
40
41
1/4
42
DIVIDER
43
44
TRIANGLE
WAVE
OSCILLATOR
45
46
47
48
1
35
34
33
32
31
30
29
28
27
DRIVE
+
PWM
SHORT
CONTROL
CIRCUIT
PROTECTOR
PWM
CONTROL
LATCH
PWM
CONTROL
PWM
CONTROL
ERROR
ERROR
AMP
AMP
+
+
DRIVE
2
3
4
5
6
7
8
9
10
26
25
24
VCC
23
22
21
DRIVE
20
19
18
DRIVE
17
16
15
VCC
14
13
11
12
88
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