5
1 R3
U1
D3 RED
R15
R2 240 Ohm
3
D2 1N5245
TRG VCC RST
2 8 4
CV
5
THR DSCHG
6 7
OUT
12K R4 2.2K
U2 LM555 1
GND
0.1
U4B 7
+
5
-
6
1
R7 1 Meg
R6 150K
C5 22Mfd, 25V
C3 0.1
U3
2 3
R10
C8 0.1
R9 10K
R8 3.6K
+
10K R12 16.2K, 1%
TRIP
R13 20K
U5 LM336-2.5V
+12VDC
1
IN OUT GND
U4A
C
LM78L12 3 2
BATTERY
R11 100K, 1% LM358
D
1 2
1N5820
4
R14 680 Ohm
Q1 2N4401 R5
C6
C7 0.1
2
680 Ohm GREEN
C
J2
8
ADJ
J1
2
VOUT
1
D4
+
VIN
1
2
2.4 Ohm, 1W
LM317T 3
3
-
D
4
C4 22Mfd, 25V
+
B
B
+19 - 25VDC F1 6
T1
11
0.25A SB
J3
400V 4A 1 2 3
5 4
12 13
-
Note: All resistors are 1/4 watt, 5% unless otherwise noted.
D1 2200Mfd, 35V
+ C1
115 VAC
C2 +
+
A
3
14
15VAC, 666mA
Tantalum capacitor recommended for C5 R1 1K, 1W
U1 requires a heat sink Intelligent Software Solutions Title
2200Mfd, 35V
Size A Date:
5
4
3
PO Box 522
Garrisonville, VA 22463-0522
PCR12-500A Pulse Charge Regulator Document Number 010-00 Tuesday, November 14, 2000 2
Rev C Sheet
1
of 1
1
A