Fly Back Circuit
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- Words: 391
- Pages: 2
6
5
4
3
2
1
D
D T1
L1
D4
+12 V L3-1
D5LC20U R2 100 k 1W
R1 101 k 1W
C6 33 nF 200 V
R6
C14
47 R
1 nF 100 V
F1 AC-1
RGP10M
2A R19 1M
C7 1000 uF 16 V
+
C15
C5 100 uF 400 V
+
C2 0.1 uF 250 V
D2
C8 1000 uF 16 V
C22 100 nF +5 V L3-2
L2 1 mH
SBL1040 R7
+
+
C9 2200 uF 10 V
10 R
1 nF 100 V
PT1
+
L3-3
D1 C1 0.1 uF 250 V
R9 100 R 1W
D3
NF1-A
C3 2.2 nF 400 V
1 mH
C10 2200 uF 10 V
R10 100 R 1/2 W
C11 2200 uF 10 V
+
C21 100 nF L3-4
R3
RTN
REC1
AC-2 NF1-B
???
L3-5
DF06
41 R
1N4935
C4 2.2 nF 400 V
+
C C20
+
C12 470 uF 25 V
C13 47 uF 25 V
C23 100 nF
R11 150 R 1/2 W
C
D5
-5 V L3-6
7905 4.7 nF 400 V
IC1
GND
D6
R4 2.2 k
PC1-B PC111 FB
GATE
Q1 2SK1117
VCC
B
R12 560 R
R13 6.8 k
ZD1
VR1 1k
B
ISENSE
R5
SCR BT151
C17
??? +
A-201
R16 10 R
R14 1.5 k
PC1-A PC111
SGND
3.3 uF 50 V
SHR1 AS431
R15 2k
R17 470 R
C19 100 nF
C18
0F
Overvoltage protection circuitry
Output voltage feedback shorted
COMPANY: A A
TITLE: DRAWN:
DATED:
CHECKED:
DATED:
QUALITY CONTROL:
DATED:
RELEASED:
DATED:
PSA-4033ATI CODE:
SIZE:
DRAWING NO:
C SCALE:
SHEET: 1 OF2
REV:
6
5
4
3
2
1 REVISION RECORD LTR
ECO NO:
APPROVED:
DATE:
D
D
1 COM
VCC 7
U1
R103 OUT 6
GATE 22 R
SG3844M 4 RT/CT
R101
3 ISENSE
ISENSE 620 R C106 680 pF
GND 5
SGND
D103
2 VFB
C
SGND
1k
SGND
C101 100 uF 25 V
R102
10 k
+
C107 10 nF VREF 8
C
R104
C104 220 nF
2.1 k
VCC
R105
FB
C102 150 pF
SGND
C105 2.2 nF
1.5 k
R108
SGND
R106
D102 1N4148
+
B
47 k
SGND
C103 4.7 uF
B
25 V
SGND
COMPANY:
A
A
TITLE:
DRAWN:
DATED:
CHECKED:
DATED:
QUALITY CONTROL:
DATED:
RELEASED:
DATED:
PSA-4033ATI CODE:
SIZE:
DRAWING NO:
REV:
C SCALE:
SHEET:
2 OF 2
5
4
3
2
1
D
D T1
L1
D4
+12 V L3-1
D5LC20U R2 100 k 1W
R1 101 k 1W
C6 33 nF 200 V
R6
C14
47 R
1 nF 100 V
F1 AC-1
RGP10M
2A R19 1M
C7 1000 uF 16 V
+
C15
C5 100 uF 400 V
+
C2 0.1 uF 250 V
D2
C8 1000 uF 16 V
C22 100 nF +5 V L3-2
L2 1 mH
SBL1040 R7
+
+
C9 2200 uF 10 V
10 R
1 nF 100 V
PT1
+
L3-3
D1 C1 0.1 uF 250 V
R9 100 R 1W
D3
NF1-A
C3 2.2 nF 400 V
1 mH
C10 2200 uF 10 V
R10 100 R 1/2 W
C11 2200 uF 10 V
+
C21 100 nF L3-4
R3
RTN
REC1
AC-2 NF1-B
???
L3-5
DF06
41 R
1N4935
C4 2.2 nF 400 V
+
C C20
+
C12 470 uF 25 V
C13 47 uF 25 V
C23 100 nF
R11 150 R 1/2 W
C
D5
-5 V L3-6
7905 4.7 nF 400 V
IC1
GND
D6
R4 2.2 k
PC1-B PC111 FB
GATE
Q1 2SK1117
VCC
B
R12 560 R
R13 6.8 k
ZD1
VR1 1k
B
ISENSE
R5
SCR BT151
C17
??? +
A-201
R16 10 R
R14 1.5 k
PC1-A PC111
SGND
3.3 uF 50 V
SHR1 AS431
R15 2k
R17 470 R
C19 100 nF
C18
0F
Overvoltage protection circuitry
Output voltage feedback shorted
COMPANY: A A
TITLE: DRAWN:
DATED:
CHECKED:
DATED:
QUALITY CONTROL:
DATED:
RELEASED:
DATED:
PSA-4033ATI CODE:
SIZE:
DRAWING NO:
C SCALE:
SHEET: 1 OF2
REV:
6
5
4
3
2
1 REVISION RECORD LTR
ECO NO:
APPROVED:
DATE:
D
D
1 COM
VCC 7
U1
R103 OUT 6
GATE 22 R
SG3844M 4 RT/CT
R101
3 ISENSE
ISENSE 620 R C106 680 pF
GND 5
SGND
D103
2 VFB
C
SGND
1k
SGND
C101 100 uF 25 V
R102
10 k
+
C107 10 nF VREF 8
C
R104
C104 220 nF
2.1 k
VCC
R105
FB
C102 150 pF
SGND
C105 2.2 nF
1.5 k
R108
SGND
R106
D102 1N4148
+
B
47 k
SGND
C103 4.7 uF
B
25 V
SGND
COMPANY:
A
A
TITLE:
DRAWN:
DATED:
CHECKED:
DATED:
QUALITY CONTROL:
DATED:
RELEASED:
DATED:
PSA-4033ATI CODE:
SIZE:
DRAWING NO:
REV:
C SCALE:
SHEET:
2 OF 2
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