- 68 -
3
1
2
+
-
REFERENCE
VOLTAGE
5
4
PWM COMP
1
2
+
-
+
-
ERROR AMP
ON/OFF
Vout
ON/OFF
Oadj
Vin
Vref
A BOARD IC1006/IC1007/IC1010 PQ1CG2032FZ
A BOARD IC1012/IC1812 BA033T/BA12T
D2 BOARD IC6803/IC6807 TLV431
/TL1431
+
-
Vref
REF
Cathode
Anode
1
2
4
3
8
7
5
6
D2 BOARD IC6801/IC6802 NJM2903/NJM2904