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IC BLOCK DIAGRAM & DESCRIPTION
IC402 STR-6238S(Switing Regulator)
2
GND
1
O.C.P
3
D
4
Vin
4
F.B
+
-
O.C.P
Rg2
Rg1
Rg3
DRV
+
-
INH1
+
-
+
-
+
-
+
-
INH2
+
-
F.B
Start
Reg.
O.V.P
Latch
DRV.REG
T.S.D
Current
Mirror
O.L.P
O S C
IC403 L5431(Regulator)
1
1 VREF
2 Anode
3 Cathode
2
3
IC404,405 KIA7805/7809(5V Regulator)
1. INPUT
2. COMMON
3. OUTPUT
1
2 3
IC602 M34506M2-728FP(Micon)
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
P0
0
(I/O)
P0
1
(I/O)
P0
2
(I/O)
P0
3
(I/O)
P1
0
(I/O)
P1
1
(I/O)
P1
2
/CNTR(Timer output)
P1
3
/INT(Interrupt input)
D
0
(I/O)
D
1(I/O)
V
DD
V
SS
(GND)
X
IN
(Clock input)
X
OUT
(Clock output)
CNV
SS
(GND)
RESET
P2
1
/A
IN1
/(I/O)
P2
0
/A
IN0
/(I/O)
D
3
/K(I/O)
D
2
/C(I/O)
