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STR-DN1000
55
IC3507 TC74VHC541FT (EL)
8
15
16
10
14
13
12
11
9
6
7
4
2
3
1
VCC
G2
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y8
GND
A8
A7
A6
A5
A4
A3
A2
G1
A1
20 19
18
17
5
IC3509, 3510 TK11150CSCL-G
IC3851 TK11118CSCL-G
CONTROL
CIRCUIT
BANDGAP
REFERENCE
+
–
OVER HEAT &
OVER CURRENT
PROTECTION
1
VCONT
3
NP
2
GND
4
VOUT
5
VIN
4
GND
IC3523 SN74CB3Q16211DGVR
1
56
NC
2
1A1
SWITCH
1OE
54 1B1
55 2OE
3
1A2
SWITCH
53 1B2
4
1A3
SWITCH
52 1B3
5
1A4
SWITCH
51 1B4
6
1A5
SWITCH
50 1B5
7
1A6
SWITCH
48 1B6
9
1A7
SWITCH
47
49
1B7
8
GND
GND
10
1A8
SWITCH
46 1B8
11
1A9
SWITCH
45 1B9
12
1A10
SWITCH
44 1B10
13
1A11
SWITCH
43 1B11
15
2A1
SWITCH
41 2B1
16
2A2
17
VCC
19
GND
SWITCH
40 2B2
39 2B3
38 GND
18
2A3
SWITCH
37 2B4
20
2A4
SWITCH
36 2B5
21
2A5
SWITCH
35 2B6
22
2A6
SWITCH
34 2B7
23
2A7
SWITCH
33 2B8
24
2A8
SWITCH
32 2B9
25
2A9
SWITCH
31 2B10
26
2A10
SWITCH
30 2B11
27
2A11
SWITCH
29 2B12
28
2A12
SWITCH
14
1A12
SWITCH
42 1B12
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9
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9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299