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DC/DC Converter Schematic

This document provides a schematic for regulators and a DC/DC converter. It includes multiple capacitors ranging from 10nF to 470uF connected to voltage regulators. The schematic also shows a TV7019 chip labeled as a DC/DC converter connected to other passive components including resistors and capacitors.
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© © All Rights Reserved
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0% found this document useful (0 votes)
228 views4 pages

DC/DC Converter Schematic

This document provides a schematic for regulators and a DC/DC converter. It includes multiple capacitors ranging from 10nF to 470uF connected to voltage regulators. The schematic also shows a TV7019 chip labeled as a DC/DC converter connected to other passive components including resistors and capacitors.
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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NC/100nF C17

NC/470uF/25V CA1

1 ADJ NC/7.5K R7
NC/10nF C16

2 OUT 4

3 IN
NC/100nF C21

2 3

100uF/16V CA4

Reguladores
1 ADJ NC/10nF C15

2 OUT 4

3 IN NC/B340A D2

100nF C29

NC/4.7K R8 NC/15K R6

100uF/16V CA5 NC/470uF/16V CA2

NC/1uF C84

NC/1uF C97
10nF C30
NC/1uF C110

NC/100nF C19

2 3
NC/100K R285
1
conversor DC/DC

2 3
NC/47K R286

AVISO
C165

NC/100nF

A4
TV7019

29/03/2012
1

1
Olavio
1/1
Reguladores e conversor DC/DC

TODA E QUALQUER ALTERAÇÃO SERÁ EXECUTADA SEM PRÉVIO

100uF/16V CA22
JP3
1
12V2
2
R35 R1
10K C2
Q1 10R JP2
ENA 470UF/16V
ADJ DTC124(25) 1
2
Q2 R14 R16
R34 C4 DTA124(15) Q4 1K 1K
10K 201 STM6960 T1
D3 R17
1 8 C8 R11
R8 IN4148 20K
103 10R
VDD 2 7
10R R13 C10
C7 10P C11
R4 3 6
12K 103 10R 104
R5 R10 R15
OLP
560K
C5
102
C6
221 10R
4 5
BCK-19210WH
681
D2
R18
82K
TV7019
R6 BVA99
39K !
D1
IN4148
Q6
PCI da fonte

16

15

14

13

12

11

10
2907

9
IS1
Q5
JP4

+V2

VREF
-V2

E2

E1
VCC

C2
OC
STM6960
R2 R7 Q3 T2 1
39K 102 2907 1 8 2
C3 R9 C9 R12
U1 TL494 2 7
103
R33
NC
R20
51k
R3
12K
10R
3 6
105
C16
10R
R27
C17
10P A4 1/1

COMP
JP5

GND
R26

DTC
105

+V1
10R

-V1

CT

RT

C1
D4 4 5 1
10R
IN4148 BCK-19210WH 2
R28
1

8
R30
Q7
2907
! 1K 1K
D6 R31 29/03/2012 Olavio
R25 IN4148 20K
102
C15 C18
R19 R21 R22
12K R24 104
12K
102/COG
12K C12 C13 C14 12K
224 224 224 R23 R29
82K 681 IS1 R32
IS1 82K
D5
BVA99

OLP
Q8
2907

TODA E QUALQUER ALTERAÇÃO SERÁ EXECUTADA SEM PRÉVIO AVISO

Q11 12V
D12 STM4435
!
SBD10150PI
1 T3 R67 C35
C26 12V2 L1 12V1 C34 R66
! ! ! ! ! ! ! 1000UF/25V 104 NC 104
103
F1 TH1 3UH
T3.15AL/250V LF1 CY1 LF2
1.5mH(TC140800-152) ! 11;12 C27 Q13 R70 103
102/250VAC LCL-1151WH C20 + +1000UF/25V +
+ R45 R44 R52 C21 C42 C29 R63 2N7002 PSON
100UF/400V

CN1 RX1 RX3 204 204 204 C28 104 242 R69
472/630V R53 47R C36
SCK054 105 105 470UF/16V 105
2 223
D7.D8.D9.D14 R54 47R 102/1KV
1 CX1 RX2 RX4 RL207*4
HEADER-3 105 105 D13 R68 CN2
D10 SBD10100PI NC CON12
R42 7;8 C30 L2 5VSB Q12 5V
CX2 CY2 HER107
104/280VAC 203 1000UF/10V STM4410A
224/280VAC 102/250VAC 1
3UH R72 C39
3 C31 C37 C38 2
C25 NC
! + + 1000UF/10V + C33 R65 104 103 104 ADJ 3
R55 22R ENA 4
C32 102
U2 5 470UF/16V 104 5
R56 22R 102/1KV R71 12V
LD7575BGS 6
R43 9;10 224
203 D11 7
1 8 FR104 8
RT HV
6 12V 9
12V1 5VSB 5V
R46 2 7 10
COMP NC
1003 5VSB 11
3 6 ! BCK-28167WH PSON 12
CS VCC R57
Q10 511 R58
R47 SMK0760C R51
4 5 NC
GND OUT 0R R59
U3A 1K
47R R48 C40 R61
10K 105 2002
LD75757BGS ! C41
Oscilador fonte R49 PC817 NC
221 R60 R62
C24 U4 8202
R39 R50 ! TL431 1002
U3B 271
1R NC
C43 CY3
104 ! R40 R41
1R 1R 222/250VAC
PC817
+
C22 C23
104 22UF/50V
JP1
1
12VS
2
C21
R14 JP2
ENA 470UF/25V
10
1
2
ADJ R32 R33
C5 Q2 Q3 Q4 T2 1K 1K
224 DTC124(25) DTA124(15) AO4828 1
1 5 D8
C23 R28 5 R38
1 8
R15 104 10 30K
2 7 1SS400
VDD 2 C26
10R 2
3 6 R29 10P D6 C6
R9 C22
R16 R36 IS1 224
12K R10 C13 C20 105 10 751
OLP 684 4 5 3 6 BVA99
3 6 R40
560K 221 10R
68K
R11
BCK-19210WH Q8
D9
47K 2907
1SS400
Circuito inversor

16

15

14

13

12

11

10

9
Q5 T3
JP4

VREF
+V2

-V2

E2

E1
OC

VCC

C2
AO4828
R52 Q6 R30 1
1K 1 8 C25
2907 2
R26 221 10
U3 2 7
TL494 10R C24 C27
C28 R44 R45 R46 R48 R31 10P
105 NC 39K 39K 15K 3 6 221
COMP JP3

GND
R27

DTC
+V1

10
-V1

CT

RT

C1
D10 4 5 1
10R
1SS400 2
BCK-19210WH R34 R35
1

8
1K 1K

R51 Q7 D11 R39


1K 2907 1SS400 30K
C31
C8
102/COG

R42 C29 R43 D7 102


R47 C30 R49 C7 R50
12//120K

10K 684 6.8K 474 9.1K 224 20K R37 IS1 R41
751 BVA99
68K
IS1

F1 !
! ER-2834 12VS OLP
F3.15A/250V ! ! ! D12 RL207 Q9
CY1 T1
! ! 6 2907
102/400VAC D5
R13 R18 D13 RL207
CON1 105 105 + 6.2uH
C9 R57 R59 R61 C12 L1
2 ! LF1 LF2 FCH20U10
CX1 RL207
1 1.5mH 40mH D14 100UF/400V 204 204 271 472/1KV
L2 104/50V
104/275VAC 6.2uH
TH1 R14 R58 9 D3 C18
2PIN SCK054 105 105 12V
NC C15
+ C16 +
C17
CY2 CX2
Fonte

1000UF/16V
102/400VAC 474/275VAC R19 101

1000UF/25V

1000UF/25V
R21
D16 RL207 D2 1.2K R22
! ! ! R24 R25 C14 1802
! HER107 R20 101 102/1KV
1M 1M C10
U2 D4 10
LD7575 102/50V 4 C19
R17
10R NC R7
1 8 + 105
RT HV C11 FR104
2 C4 1K
22UF/50V
2 7
COMP NC
R5 R6 IC1
3 6 D1 Q1 TL431
CS VCC NC 1 ! 511 2K
8N60
R8
4 5 U1 4701
GND OUT C3
R3 10R PC817
LD7575
TV7019 2
NC

R1 OSCILADOR FONT
1003 R2
C11
04/50V

220R
C2 !
R53 R54 R55 R56
PCI da fonte com 204 1.5R 1.5R 1.5R 1.5R RY3 8.2M 1W

inversor CY3
222/400VAC

!
A4 1/1
TODA E QUALQUER ALTERAÇÃO SERÁ EXECUTADA SEM PRÉVIO AVISO

29/03/2012 Olavio
1 3
AUDIO VIDEO INPUT VGA INPUT
Y,Pb,Pr INPUT DVI/HDMI
VIF AUDIO
OUTPUT INPUT
INPUT INPUT

3 2

8 6 4 2

7 5 3 1

X3
14.318MHZ

1M R139

Memória flash
XIN 25

XOUT 24

113 HWRESET
HWRESET

1 GND
22 GND
26 GND VDDP_2 110 VDDP_PM
29 GND
34 GND AVDD_MPLL 23 AVDD_MPLL
49 GND
55 GND
58 GND AVDD_DVI 123
63 GND AVDD_ADC 15
79 GND AVDD_ADC 7
101 GND
117 GND
VDDC 118
VDDC 78
VDDC 54

VDDP 116
VDDP 102
VDDP 90
VDDP 64
VDDP 57
VDDP 56
Microprocessador

R183 4.7K
AVDD_AU 38 AVDD_AU

Memória eproom
R184 4.7K

R185 4.7K AVDD_VIF 36


AVDD_VIF 28 AVDD_VIF
AVDD_VIF 27

8 6 4 2 8 6 4 2 8 6 4 2 8 6 4 2 8 6 4 2

7 5 3 1 7 5 3 1 7 5 3 1 7 5 3 1 7 5 3 1
T
A4
TV7019

memórias

29/03/2012

TODA E QUALQUER ALTERAÇÃO SERÁ EXECUTADA SEM PRÉVIO AVISO


Microprocessador e

Olavio
2/5

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