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IC601 BA6287F
OUT1
1
VM
2
DRIVER
TSD
VCC
3
CONTROL LOGIC
POWER
SAVE
FIN
4
IC603 BA6780
1
VIN1
2
FIN1
3
RIN1
IOUT
4
VREF
5
6
VREG
VCC
7
8
OUT1+
9
80
IC604 SN74HC573BNS
8
GND
7
OUT2
DRIVER
6
VREF
5
RIN
GND
18
VIN2
IC605 SN74HC138ANS
17
FIN2
16
RIN2
15
CT2
14
VEE
FBIN-
13
12
FBIN+
11
OUT2+
10
OUT2-
IC608 M51953BFP
ON/OFF
VCC
OE
1
20
D0
19
Q0
2
D
Q
G
OE
D1
3
D
Q
18
Q1
G
OE
D2
4
D
17
Q2
Q
G
OE
D3
16
Q3
5
D
Q
G
OE
15
D4
6
D
Q
Q4
G
OE
D5
D
14
Q5
7
Q
G
OE
D6
13
Q6
8
D
Q
G
OE
12
D7
9
D
Q
Q7
G
OE
10
11
LE
VCC
Y0
Y1
16
15
14
Y0
Y1
A
B
C
1
2
3
A
B
C
SELECT
GND
2
+
REFERENCE
VOLTAGE
4
–
OVERHEAT
PROTECTION
IN
1
DATA OUTPUTS
Y2
Y3
Y4
Y5
13
12
11
10
Y5
Y2
Y3
Y4
G2A
G2B
G1
Y7
4
5
6
7
G2A
G2B
G1
Y7
OUTPUT
ENABLE
5k
5
REF
VOL
27k
3
OUT
OVERCURRENT
LIMITTER
Y6
9
Y6
8
GND
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