background image

8

dc1759af

DEMO MANUAL DC1759A

5

5

4

4

3

3

2

2

1

1

D

D

C

C

B

B

A

A

VI

N

+

VI

N

-

VI

N

GN

D

5.5V

-16V

VO

U

T

1

GN

D

VO

1

+

VO

1

-

3.3V

 / 13A

5V

 / 13A

 

GN

D

VO

2

-

VO

2

+

VO

U

T

2

ON

TR

A

C

K

1

CLK

O

UT

PH

ASE

120

90

60

o

o

o

ON

EXT

.

SO

F

T

-ST

AR

T

T

R

AC

K1

 SEL

.

NOT

E

: UNL

ESS OT

HERWISE SPECIF

IED

1.  A

L

L

 R

E

SIST

OR

S A

R

E

 IN

 OH

M

S

, 0603.

     ALL CAP

ACI

TO

RS

 ARE

 IN

 MI

CRO

FARADS

, 0603.

TTTT

VO

U

T

1

VI

N

INTV

CC

VO

1

+

VO

1

-

INTV

CC

VO

1

-

VO

1

+

INTV

CC

INTV

CC

VO

U

T

1

VO

2

+

VO

2

-

VI

N

INTV

CC

D

IFFP

CO

M

P

1

VF

B1

D

IFFN

DIF

F

O

UT

VO

U

T

1

S

VO

U

T

1

T

R

AC

K1

RUN1

VO

2

+

VO

U

T

2

VO

2

-

VO

U

T

2

S

RUN2

T

R

AC

K2

VF

B2

CO

M

P

2

INTV

CC

TE

M

P

R

EVISION

 H

IST

OR

Y

DESCRIPT

IO

N

DAT

E

APPRO

VED

ECO

R

EV

PRODUCTION

2

11-15-12

__

JI

AN L.

R

EVISION

 H

IST

OR

Y

DESCRIPT

IO

N

DAT

E

APPRO

VED

ECO

R

EV

PRODUCTION

2

11-15-12

__

JI

AN L.

R

EVISION

 H

IST

OR

Y

DESCRIPT

IO

N

DAT

E

APPRO

VED

ECO

R

EV

PRODUCTION

2

11-15-12

__

JI

AN L.

SI

ZE

DATE:

IC NO

.

R

EV.

SHEET

OF

TITLE:

A

PPR

OVA

L

S

P

CB DE

S

.

A

PP EN

G

.

T

E

C

HNO

L

O

G

Y

F

ax:

 (

408)

434-

0507

M

il

p

it

as,

 C

A

 95035

Phone: (408)432-1900

1630 M

cC

ar

thy B

lvd.

LTC Conf

id

ent

ial

-F

or

 Cust

om

er

 Use O

n

ly

CUST

O

M

E

R NO

T

ICE

L

INE

AR T

E

CHNO

L

O

G

Y

 HAS

 M

ADE

 A BE

S

T

 E

F

F

O

RT

 T

O

 DE

S

IG

N

 A

CI

RCUI

T

 T

HAT

 M

E

E

T

S

 CUS

T

O

M

E

R-

S

U

P

P

L

IE

D S

P

E

C

IF

ICAT

IO

NS

;

H

O

WEVER

, I

T

 R

E

M

A

IN

S T

H

E C

U

S

T

O

M

E

R

'S R

ESPO

N

S

IB

IL

IT

Y T

O

V

E

R

IF

Y

 P

R

O

P

E

R

 AND RE

L

IABL

E

 O

P

E

RAT

IO

N I

N

 T

H

E

 ACT

UAL

AP

P

L

ICAT

IO

N.

  CO

M

P

O

N

E

N

T

 S

UBS

T

IT

U

T

IO

N

 AND P

R

IN

T

E

D

CI

RCUI

T

 BO

ARD L

A

Y

O

UT

 M

A

Y

 S

IG

N

IF

ICANT

L

Y

 AF

F

E

CT

 CI

RCUI

T

P

E

R

F

O

RM

ANCE

 O

R

 RE

L

IABI

L

IT

Y

.  CO

NT

ACT

 L

INE

AR

T

E

CHNO

L

O

G

Y

 AP

P

L

ICAT

IO

NS

 E

N

G

INE

E

R

IN

G

 F

O

R AS

S

IS

T

ANCE

.

T

H

IS

 CI

RCUI

T

 IS

 P

R

O

P

RI

E

T

ARY

 T

O

 L

INE

AR T

E

CHNO

L

O

G

Y

 AND

SCHEMATIC

S

U

P

P

L

IE

D F

O

R US

E

 W

IT

H

 L

INE

AR T

E

CHNO

L

O

G

Y

 P

ART

S

.

SCALE = NONE

www.lin

ear

.co

m

2

Thursday, November 15, 2012

12

HIG

H

 EF

F

ICIENCY, DUAL

 1

3A

  ST

EP-

DO

WN       M

O

DUL

E REG

U

L

A

T

O

R

LT

JI

AN L

.

N/A

L

T

M

4620AEV

DEMO

 CIRCUIT 

1759A

SI

ZE

DATE:

IC NO

.

R

EV.

SHEET

OF

TITLE:

A

PPR

OVA

L

S

P

CB DE

S

.

A

PP EN

G

.

T

E

C

HNO

L

O

G

Y

F

ax:

 (

408)

434-

0507

M

il

p

it

as,

 C

A

 95035

Phone: (408)432-1900

1630 M

cC

ar

thy B

lvd.

LTC Conf

id

ent

ial

-F

or

 Cust

om

er

 Use O

n

ly

CUST

O

M

E

R NO

T

ICE

L

INE

AR T

E

CHNO

L

O

G

Y

 HAS

 M

ADE

 A BE

S

T

 E

F

F

O

RT

 T

O

 DE

S

IG

N

 A

CI

RCUI

T

 T

HAT

 M

E

E

T

S

 CUS

T

O

M

E

R-

S

U

P

P

L

IE

D S

P

E

C

IF

ICAT

IO

NS

;

H

O

WEVER

, I

T

 R

E

M

A

IN

S T

H

E C

U

S

T

O

M

E

R

'S R

ESPO

N

S

IB

IL

IT

Y T

O

V

E

R

IF

Y

 P

R

O

P

E

R

 AND RE

L

IABL

E

 O

P

E

RAT

IO

N I

N

 T

H

E

 ACT

UAL

AP

P

L

ICAT

IO

N.

  CO

M

P

O

N

E

N

T

 S

UBS

T

IT

U

T

IO

N

 AND P

R

IN

T

E

D

CI

RCUI

T

 BO

ARD L

A

Y

O

UT

 M

A

Y

 S

IG

N

IF

ICANT

L

Y

 AF

F

E

CT

 CI

RCUI

T

P

E

R

F

O

RM

ANCE

 O

R

 RE

L

IABI

L

IT

Y

.  CO

NT

ACT

 L

INE

AR

T

E

CHNO

L

O

G

Y

 AP

P

L

ICAT

IO

NS

 E

N

G

INE

E

R

IN

G

 F

O

R AS

S

IS

T

ANCE

.

T

H

IS

 CI

RCUI

T

 IS

 P

R

O

P

RI

E

T

ARY

 T

O

 L

INE

AR T

E

CHNO

L

O

G

Y

 AND

SCHEMATIC

S

U

P

P

L

IE

D F

O

R US

E

 W

IT

H

 L

INE

AR T

E

CHNO

L

O

G

Y

 P

ART

S

.

SCALE = NONE

www.lin

ear

.co

m

2

Thursday, November 15, 2012

12

HIG

H

 EF

F

ICIENCY, DUAL

 1

3A

  ST

EP-

DO

WN       M

O

DUL

E REG

U

L

A

T

O

R

LT

JI

AN L

.

N/A

L

T

M

4620AEV

DEMO

 CIRCUIT 

1759A

SI

ZE

DATE:

IC NO

.

R

EV.

SHEET

OF

TITLE:

A

PPR

OVA

L

S

P

CB DE

S

.

A

PP EN

G

.

T

E

C

HNO

L

O

G

Y

F

ax:

 (

408)

434-

0507

M

il

p

it

as,

 C

A

 95035

Phone: (408)432-1900

1630 M

cC

ar

thy B

lvd.

LTC Conf

id

ent

ial

-F

or

 Cust

om

er

 Use O

n

ly

CUST

O

M

E

R NO

T

ICE

L

INE

AR T

E

CHNO

L

O

G

Y

 HAS

 M

ADE

 A BE

S

T

 E

F

F

O

RT

 T

O

 DE

S

IG

N

 A

CI

RCUI

T

 T

HAT

 M

E

E

T

S

 CUS

T

O

M

E

R-

S

U

P

P

L

IE

D S

P

E

C

IF

ICAT

IO

NS

;

H

O

WEVER

, I

T

 R

E

M

A

IN

S T

H

E C

U

S

T

O

M

E

R

'S R

ESPO

N

S

IB

IL

IT

Y T

O

V

E

R

IF

Y

 P

R

O

P

E

R

 AND RE

L

IABL

E

 O

P

E

RAT

IO

N I

N

 T

H

E

 ACT

UAL

AP

P

L

ICAT

IO

N.

  CO

M

P

O

N

E

N

T

 S

UBS

T

IT

U

T

IO

N

 AND P

R

IN

T

E

D

CI

RCUI

T

 BO

ARD L

A

Y

O

UT

 M

A

Y

 S

IG

N

IF

ICANT

L

Y

 AF

F

E

CT

 CI

RCUI

T

P

E

R

F

O

RM

ANCE

 O

R

 RE

L

IABI

L

IT

Y

.  CO

NT

ACT

 L

INE

AR

T

E

CHNO

L

O

G

Y

 AP

P

L

ICAT

IO

NS

 E

N

G

INE

E

R

IN

G

 F

O

R AS

S

IS

T

ANCE

.

T

H

IS

 CI

RCUI

T

 IS

 P

R

O

P

RI

E

T

ARY

 T

O

 L

INE

AR T

E

CHNO

L

O

G

Y

 AND

SCHEMATIC

S

U

P

P

L

IE

D F

O

R US

E

 W

IT

H

 L

INE

AR T

E

CHNO

L

O

G

Y

 P

ART

S

.

SCALE = NONE

www.lin

ear

.co

m

2

Thursday, November 15, 2012

12

HIG

H

 EF

F

ICIENCY, DUAL

 1

3A

  ST

EP-

DO

WN       M

O

DUL

E REG

U

L

A

T

O

R

LT

JI

AN L

.

N/A

L

T

M

4620AEV

DEMO

 CIRCUIT 

1759A

E4E4

J6J6

R16

OP

T

R16

OP

T

J7J7

JP3

OFF

RUN2

JP3

OFF

RUN2

1

3

2

E1

5

TE

M

P

E1

5

TE

M

P

E7E7

CO

UT

3

OP

T

CO

UT

3

OP

T

C10

OP

T

C10

OP

T

R19

8.25K

R19

8.25K

C5

0.1uF

C5

0.1uF

R3

10

R3

10

J4J4

E1E1

CIN4

22uF

1210

25V

CIN4

22uF

1210

25V

CO

UT

2

OP

T

CO

UT

2

OP

T

CO

UT

6

OP

T

CO

UT

6

OP

T

+

CO

UT

1

330uF

6.3V

+

CO

UT

1

330uF

6.3V

C4

OP

T

C4

OP

T

C3

OP

T

C3

OP

T

R10

6.04K

R10

6.04K

JP1

E

X

T

_CLK

PS

CCM

MO

D

E

BM

JP1

E

X

T

_CLK

PS

CCM

MO

D

E

BM

1

3

2

4

6

5

7

8

J5J5

R30

191K

R30

191K

J8J8

U1

LTM

4620A

E

V

U1

LTM

4620A

E

V

VIN

J9

VIN

J10

VIN

J11

VIN

K2

VIN

K3

VIN

K4

VIN

K9

VIN

K10

VIN

K11

VIN

M2

VIN

M3

VIN

M4

VIN

M5

VIN

M6

VIN

M7

VIN

M8

VIN

M9

VIN

M1

0

VIN

M1

1

VIN

L2

VIN

L3

VIN

L4

VIN

L5

VIN

L6

VIN

L7

VIN

L8

VIN

L9

VIN

L10

VIN

L11

VIN

J2

VIN

J3

VIN

J4

RUN1

F5

TR

A

C

K

1

E5

VO

U

T

1

S

C5

VO

U

T

1

A1

VO

U

T

1

A2

VO

U

T

1

A3

VO

U

T

1

A4

VO

U

T

1

A5

VF

B1

D5

SW

1

G2

P

GOOD

1

G9

CO

M

P

1

E6

DIF

F

O

UT

F8

DIFFN

E9

DIFFP

E8

FSET

C6

PHASM

D

G4

GND

A6

GND

A7

GND

B6

GND

B7

GND

D1

GND

D2

GND

D3

GND

D4

GND

D9

GND

D10

GND

D11

GND

D12

GND

E1

GND

E2

GND

E3

GND

E4

GND

E10

GND

E11

GND

E12

GND

F1

GND

F2

GND

F3

GND

F10

GND

F11

GND

F12

GND

G1

GND

G10

GND

G12

GND

H1

GND

H2

GN

D

H3

GN

D

H4

GN

D

H5

GN

D

H6

GN

D

H7

GN

D

H9

GN

D

H1

0

GN

D

H1

1

GN

D

H1

2

GN

D

J1

GN

D

J5

GN

D

J8

GN

D

J1

2

GN

D

K1

GN

D

K5

GN

D

K6

GN

D

K7

GN

D

K8

GN

D

K1

2

GN

D

L1

GN

D

L12

GN

D

M1

GN

D

M1

2

SG

N

D

C7

SG

N

D

D6

SG

N

D

F6

SG

N

D

F7

SG

N

D

G6

SG

N

D

G7

VO

U

T

1

B1

VO

U

T

1

B2

VO

U

T

1

B3

VO

U

T

1

B4

VO

U

T

1

B5

VO

U

T

1

C1

VO

U

T

1

C2

VO

U

T

1

C3

VO

U

T

1

C4

CO

M

P

2

E7

P

GOOD

2

G8

SW

2

G11

VF

B2

D7

T

R

AC

K2

D8

RUN2

F9

VO

U

T

2

S

C8

TEMP

J6

MO

DE

-PLLI

N

F4

CLK

OUT

G5

INTV

CC

H8

EXTVC

C

J7

VOU

T2

A8

VOU

T2

A9

VOU

T2

A10

VOU

T2

A11

VOU

T2

A12

VOU

T2

B8

VOU

T2

B9

VOU

T2

B10

VOU

T2

B11

VOU

T2

B12

VOU

T2

C9

VOU

T2

C10

VOU

T2

C11

VOU

T2

C12

GND

G3

JP5

VO

U

T

1

T

R

AC

K2

 SEL

.

JP5

VO

U

T

1

T

R

AC

K2

 SEL

.

1

3

2

4

5

6

C7

0.1uF

C7

0.1uF

E1

2

P

GOOD

2

E1

2

P

GOOD

2

E1

3

EXT

VC

C

E1

3

EXT

VC

C

CIN3

22uF 25V

1210

CIN3

22uF 25V

1210

R15

60.4K

R15

60.4K

R32

0

R32

0

R1

10

R1

10

C6

33pF

C6

33pF

E6E6

CIN2

22uF 25V

1210

CIN2

22uF 25V

1210

R21

0

R21

0

CO

UT

4

100uF 6.3V

CO

UT

4

100uF 6.3V

E1

4

CLK

O

UT

E1

4

CLK

O

UT

R7

0

R7

0

CO

UT

8

OP

T

CO

UT

8

OP

T

C1

OP

T

C1

OP

T

R22

10

R22

10

J9J9

C2

1uF

C2

1uF

R20

OP

T

R20

OP

T

E8E8

R2

OP

T

R2

OP

T

R6

OP

T

R6

OP

T

R24

10K

R24

10K

C12

OP

T

C12

OP

T

R27

10K

R27

10K

+

CO

UT

7

330uF

6.3V

+

CO

UT

7

330uF

6.3V

CIN5

22uF 25V

1210

CIN5

22uF 25V

1210

JP2

OFF

RUN1

JP2

OFF

RUN1

1

3

2

R5

10K

R5

10K

R8

OP

T

R8

OP

T

C11

OP

T

C11

OP

T

JP6JP6

1

3

2

4

R18

60.4K

R18

60.4K

E1

0

T

R

AC

K2

E1

0

T

R

AC

K2

R9

60.4K

R9

60.4K

+

CIN1

150uF

25V

+

CIN1

150uF

25V

E9E9

TP

1

SW1

TP

1

SW1

R12

60.4K

R12

60.4K

C8

OP

T

C8

OP

T

E3

P

GOOD

1

E3

P

GOOD

1

C9

47pF

C9

47pF

R26

10

R26

10

JP4

SO

F

T

-ST

AR

T

TR

A

C

K

JP4

SO

F

T

-ST

AR

T

TR

A

C

K

1

3

2

E5E5

CO

UT

5

100uF

6.3V

CO

UT

5

100uF

6.3V

R13

6.04K

R13

6.04K

E1

6

CLK

IN

E1

6

CLK

IN

R29

0

R29

0

TP

2

SW2

TP

2

SW2

R25

13.3K

R25

13.3K

R4

OP

T

R4

OP

T

 SCHEMATIC DIAGRAM

Downloaded from

Arrow.com.

Downloaded from

Arrow.com.

Downloaded from

Arrow.com.

Downloaded from

Arrow.com.

Downloaded from

Arrow.com.

Downloaded from

Arrow.com.

Downloaded from

Arrow.com.

Downloaded from

Arrow.com.

Содержание DC1759A

Страница 1: ... 26A output solution with optional jumper resistors The board allows the user to program how its output ramps up and L LT LTC LTM Linear Technology the Linear logo and Burst Mode are registered trademarks of Linear Technology Corporation All other trademarks are the property of their respective owners down through the TRACK SS pin The output can be set up to either coincidentally or ratiometricall...

Страница 2: ...istors R34 or R35 on the backsideofboards toapplyloadtransientonchannel1 or channel 2 correspondingly 6 Optional LTM4620Acanbesynchronizedtoanexternal clock signal Place the JP1 jumper on EXT_CLK and apply a clock signal 0V 5V square wave on the CLKIN test point 7 Optional The outputs of LTM4620A can track another supply The jumpers JP4 and JP5 allow choosing soft start or output tracking If track...

Страница 3: ... 2 VOUT2 5V fSW 750kHz Channel 1 Disabled LOAD CURRENT A 0 EFFICIENCY 100 90 80 95 85 75 4 8 2 6 10 dc1759a F03 13 12 3 7 1 5 9 11 VIN 5 5V VOUT1 3 3V VIN 12V VOUT1 3 3V VIN 16V VOUT1 3 3V LOAD CURRENT A 0 EFFICIENCY 100 90 80 95 85 75 4 8 2 6 10 dc1759a F04 13 12 3 7 1 5 9 11 VIN 5 5V VOUT2 5V VIN 12V VOUT2 5V VIN 16V VOUT2 5V Downloaded from Arrow com Downloaded from Arrow com Downloaded from Ar...

Страница 4: ...E Figure 5 Measured Channel 1 6 5A to 13A Load Transient VIN 12V VOUT1 3 3V Figure 6 Measured Channel 2 6 5A to 13A Load Transient VIN 12V VOUT2 5V dc1759a F05 3 3V OUTPUT 20MHz BW 100mV DIV 6 5A TO 13A LOAD Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com ...

Страница 5: ...V Input 3 3V 13A Output with Standard Demo Circuit Default Setup Figure 8 Measured Output Voltage Ripple at 12V Input 5V 13A Output with Standard Demo Circuit Default Setup dc1759a F08 5V OUTPUT 20MHz BW 20mV DIV Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com ...

Страница 6: ...rmal Capture at 12VIN 3 3VOUT at 13A and 5VOUT at 13A Ambient Temperature 23 C 200LFM Airflow and No Heat Sink Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com ...

Страница 7: ...Res Chip 13 3k 1 0603 VISHAY CRCW060313K3FKED 18 1 R30 Res Chip 191k 1 0603 VISHAY CRCW0603191KFKED 19 1 R34 Res Chip 0Ω 0 5W 2010 TEPRO RN6083 20 1 R37 Res Chip 0 015Ω 2W 2512 VISHAY WSL2512R0150FEA 21 1 U1 LTM4620AEV 15X15X4 41 LGA LINEAR TECH LTM4620AEV Additional Circuits 22 0 COUT2 COUT3 COUT6 COUT8 OPT 1210 OPT 23 0 C1 OPT 0805 OPT 24 0 C3 C4 C8 C10 C11 C12 OPT 0603 OPT 25 0 R2 R4 R6 R8 R11 ...

Страница 8: ...T LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SCHEMATIC SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS SCALE NONE www linear com 2 Thursday November 15 2012 1 2 HIGH EFFICIENCY DUAL 13A STEP DOWN MODULE REGULATOR LT JIAN L N A LTM4620AEV DEMO CIRCUIT 1759A E4 E4 J6 J6 R16 OPT R16 OPT J7 J7 JP3 OFF RUN2 JP3 OFF RUN2 1 3 2 E15 TEMP E1...

Страница 9: ...LE OPERATION IN THE ACTUAL APPLICATION COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SCHEMATIC SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS SCALE NONE www linear com 2 Thursday November 15 2012 2 2 HIGH EFFICIE...

Страница 10: ...HALL BE LIABLE TO THE OTHER FOR ANY INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES The user assumes all responsibility and liability for proper and safe handling of the goods Further the user releases LTC from all claims arising from the handling or use of the goods Due to the open construction of the product it is the user s responsibility to take any and all appropriate precautions with re...

Отзывы: