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P ower Inverter 300 watt avg. / 500 watt peak
+5.1 vdc s ource
LE D G reen s w +12 vdc R 13 4.7 C 35 10 uf R8 4.7 R9 2k
G
D1
+12 vdc , 25 A mps Input
Q4 30N05
2200 uf
+
R1 2k
D
15 16 +5.1 v R ef.
C 10 1.0 uf
V cc
R eference R egulator 250
13
Vc
Q3 30N05
D
C1
R 12 2.2
+
T1
D2 D3
+
C6 .0033 uf R 17 10k C 30 0.01 uf
R 65 390 R 16 10k
4 Os c Out 7 Dis charge
Under V oltage Lockout
Q Q
Out A
11
G S
G S
C4 0.01 uf
+150 vdc
D4 D5
+
C 34 0.01 uf
R3 220k
R5 220k R 14 10k 327 uA s w +12 vdc
R4 5.6k
R 15 10k
3 S ync Os c F /F 6 RT 5 CT + R 9 C ompens ation _ P WM Latch S _ 1 _ E rror S Amp 3.27 vdc 2 + 8 C s ofts tart C7 5k 10 uf 12 G nd 50 uA + S hut 5k
Down
Out B
14
R6 4.7
+ S S G
C 31 2200 uf
R7 2k
C3 0.01 uf R 11 2.2
IC 2
D
Q1 30N05
D
Q2 30N05
C 31 100 uf
R 20 220k
S G 3525A
D
+150 vdc
D
+5.1 vdc
10
Q5 IR F 630 Q6 IR F 630
G S
+5.1 vdc s w +12 vdc 2 _ R 34 4990
+
s w +12 vdc R 34 10 R 50 14k cold R 46 10k R 41 15k
C 25 0.01 uf
G
8 1
10 +
3.06 v
+ C 32
10 uf R 38 4.7k
1/2 2903 C omparator 3 IC 3 + 4
B Z1
R 53 15k +5.1 vdc
1/4 LM324 9 _ IC 4
8
+12 vdc DZ1
R 22 470k R 21 4.7k D20
TR 1 4.5 cold
S
R 25 5.6k D21 R 24 4.7k
+ C 17
22 uf
+
+
R 51 30k R 54 2k
s w +12 vdc
+5.1 vdc
2 _
1/4 LM324 IC 4 +
D14
D11 R2 2k
C 12 10uf
R 37 1.0 meg
R 52 100k
R 43 100k C 28 3.3uf
4 13 _ .319 v 1/4 LM324 12 + IC 4 11 + C 28 1.0uf 5
+ 1/4 LM324 IC 4 6 _
R 47 150k
1
D15 R 45 15k
R 28 s w +12 vdc 10k
Q7 IR F 630
D
A .C . Output
C 26 .0068 uf
D
Q8 IR F 630
C 26 .0068 uf
G G S
C 13 10uf R 27 10k
D9 s w +12 vdc
14
D16 C 19 2.2uf
3
+
D10
D6
D7
S
D8
R 29 0.1 R 48 100k D18 R 49 27k VR 3 50k +12 vdc
+ 7
D17
s w +12 vdc R 35 4990
10.2 vdc Low V oltage S hutdown
R 42 22k s w +12 vdc R 66 10k R 36 47k +5.1 vdc R 57 120k 1
s w +12 vdc +145 vdc s w +12 vdc 14 S V dd 1 5 D Q R 31 10k 6
s w +12 vdc
6 _ 7
+5.1 vdc 1/2 2903 C omparator R 39 5 IC 3 + 4990
D12 R 58 1k
R 60 1.5meg 13
R 61 22meg
R 30 10k
3
C
1/2 4013 IC 6 2 Q Vss R 7 4
R 23 10k
Q12 MP S -A42
C 21 0.1uf
C 22 0.01uf
1/2 L M556 Dis chg 2 T hres hold IC 5 + R Q 3 6 T rigger G nd 7 C ntl R ef
1/2 L M556 Dis chg 12 T hres hold IC 5 + C 23 R Q 0.01uf 11 8 T rigger R st 10 C ntl R ef
R 62 68k
R 63 560k
R 32 100k C 24 0.1uf
Q11
8 9 R 55 10k Q10 11
+ -
S
Q
R st 4
Out 5 V cc 14
+5.1 vdc
+ -
S
Q
Out 9
D
S
Q
13
R 26 10k
Q9 MP S -A42
57% Duty C ycler
4.76 ms ON - 3.58 ms OF F
120 Hz Os cillator
1/2 4013 IC 6 12 Q C R 10