28
PRS-500
A1
OE
DIR
B1
19
1
2
A2
A3
A4
3
4
5
A5
6
A6
7
A7
8
A8
9
GND
10
18
B2
17
B3
16
B4
15
B5
14
B6
13
B7
12
B8
11
IC1101, IC1102, IC1103, IC1104 TC7MP245FK (EL)
CE
1
ON/OFF
Control
VSS
2
3
4
VIN
VOUT
Current
Limit
R1
R2
Error
Amp
Voltage
Reference
-
+
each circuit
IC1601 XC6215B312NR
– MAIN Board –