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17

dc2312afb

DEMO MANUAL 

DC2312A-A/DC2312A-B

SCHEMATIC DIAGRAM DC2312A-A

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LTC3607PGOOD1

LTC3607PGOOD1

VIN

VCC

VDR

VOUT0

VOUT1

VOUT1

VOUT0

VIN

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 ENG

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Fax:

 (408)434-050

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, CA

 9503

5

Phone:

 (408)432-190

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www

.lin

ea

r.c

om

2

Friday, August 14, 2015

2

3

HIGH EFFICIENCY  DC/DC CONVERTER WITH POWER SYSTEM MANAGEMENT

HZ

HAORAN W.

N/A

LTC3882EUJ-1

DEMO CIRCUIT 2312A-A

SI

ZE

DA

TE

:

.V

ER

.O

CI

SH

EE

T

OF

TITLE

:

APP

RO

VA

LS

PCB

 DES

.

APP

 ENG

.

TE

CHN

O

LOG

Y

Fax:

 (408)434-050

7

M

ilp

itas

, CA

 9503

5

Phone:

 (408)432-190

0

1630

 Mc

Car

thy

 B

lvd

.

LTC

 Conf

id

ent

ia

l-For

 Customer

 Use

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y

CUSTOMER

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LI

NEAR

 TE

CHN

OL

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HAS

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ADE

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CIFIC

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M

AINS

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ER

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ONSIBILITY

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IFY

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www

.lin

ea

r.c

om

2

Friday, August 14, 2015

2

3

HIGH EFFICIENCY  DC/DC CONVERTER WITH POWER SYSTEM MANAGEMENT

HZ

HAORAN W.

N/A

LTC3882EUJ-1

DEMO CIRCUIT 2312A-A

SI

ZE

DA

TE

:

.V

ER

.O

CI

SH

EE

T

OF

TITLE

:

APP

RO

VA

LS

PCB

 DES

.

APP

 ENG

.

TE

CHN

O

LOG

Y

Fax:

 (408)434-050

7

M

ilp

itas

, CA

 9503

5

Phone:

 (408)432-190

0

1630

 Mc

Car

thy

 B

lvd

.

LTC

 Conf

id

ent

ia

l-For

 Customer

 Use

 O

nl

y

CUSTOMER

 NOTIC

E

LI

NEAR

 TE

CHN

OL

OG

HAS

 M

ADE

 A

 BES

EFFO

RT 

TO

 DES

IG

A

CI

RC

UIT

 THAT

 M

EETS

 CUST

OM

ER-SUPPL

IED

 SPE

CIFIC

AT

IO

NS

;

HO

WEVER,

 IT

 RE

M

AINS

 THE

 CUST

OM

ER

'S

 RESP

ONSIBILITY

 T

O

VER

IFY

 PR

OPER

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www

.lin

ea

r.c

om

2

Friday, August 14, 2015

2

3

HIGH EFFICIENCY  DC/DC CONVERTER WITH POWER SYSTEM MANAGEMENT

HZ

HAORAN W.

N/A

LTC3882EUJ-1

DEMO CIRCUIT 2312A-A

R48 0.001

2512

RPG2 100k

COUT5 0.1uF

16V 0603

RPG1 100k

C58 1uF

RSD1 5.1M

CF 0.1uF

0603

COUT7 10uF

16V 0805

E17

GND

C57 1uF

J14

1

2

3

4

5

E15

GND

JP6

1 2 3

J7

1

2

3

4

5

E12

VCC

R64 887k

1%

R63

121k

1%

J10

1

2

3

4

5

R53

OPT

CFFW1 22pF

R65

121k

1%

L3

4.7uH

IHLP1616BZER4R7M11

Vishay

JP4

1 2 3

RF 100

E10

PULSE IN

CIN1 10uF

25V 1206

E13

VDR

E11

GND

RSD2 5.1M

+

CIN3 22uF

35V 7343

COUT3 10uF

16V 0805

E14

GND

R45 0.01

Q3

RJK0305DPB

1

2

5

3

4

C47 1uF

COUT4 0.1uF

16V 0603

R42

10K

0603

L4

4.7uH

IHLP1616BZER4R7M11

Vishay

CFFW2 22pF

U6

LTC3607EMSE

PG

ND2

7

MODE/SYNC

15

RUN2

11

SGND

8

PGOOD1

16

VFB2

12

SW2

6

SW1

3

SVIN

1

PGOOD2

9

PVIN

1

4

PVIN

2

5

PG

ND1

2

VFB1

13

RUN1

14

GN

D

17

SGND

10

E16

GND

R66 887k

1%

Содержание DC2312A-A

Страница 1: ...and use LTC s I2C SMBus PMBus Dongle DC1613A to connect to the board LTpowerPlay allows the user to reconfigure the part on the fly and store the configuration settings within its onboard EEPROM along with viewing telemetry pa rameters that include voltage current temperature and fault status GUI Software LTpowerPlay Download The software can be downloaded from http www linear com LTpowerPlay Desi...

Страница 2: ...Connect active load to the output 3 Make sure both RUN switches are OFF 4 Turn on the power at the input Note Make sure that the input voltage does not ex ceed 15V 5 Turn on RUN switches as desired 6 Check for the correct output voltage from VOUT0 to VOUT0 and from VOUT1 to VOUT1 Note If there is no output temporarily disconnect the load to make sure that the load is not set too high 7 Once the pr...

Страница 3: ...2afb DEMO MANUAL DC2312A A DC2312A B Figure 2 Power Test Setup for DC2312A A QUICK START PROCEDURE POWER SUPPLY VOUT0 LOAD SHUNT IOUT0 VOUT1 LOAD SHUNT IOUT1 IIN VIN VOUT1 VOUT0 DC1613A CONNECTOR A DC2312A F02 ...

Страница 4: ...ICK START PROCEDURE POWER SUPPLY VOUT0 LOAD 1 SHUNT IOUT0_1 VOUT0 LOAD 2 SHUNT IOUT0_2 IIN VIN VOUT0 DC1613A CONNECTOR A DC2312A F03 FOR BETTER THERMAL DISTRIBUTION USE A PIECE OF LOW IMPEDANCE METAL TO CONNECT TOP LAYER VOUT COPPER AND PULL CURRENT EVENLY FROM J3 TO J4 AND FROM J9 TO J8 ...

Страница 5: ...n Set JP4 and JP6 on the OFF position n n Connect external 5V supply to VDR and VCC turrets and measure its input current n n Measure VIN across the input ceramic capacitor C10 C6 Measure VOUT across the output ceramic capaci tor C13 C39 n n Add the loss from external 5V supply into the efficiency calculation LOAD CURRENT A 0 5 10 15 20 25 30 35 65 70 75 80 85 90 95 EFFICIENCY DC2312A F05 VOUT0 1 ...

Страница 6: ...DC2312A A VIN 12V VOUT0 1 5V FSW 500kHz 0 to 25 8 75A Load Step Figure 8 Load Transient Waveform DC2312A A VIN 12V VOUT1 1 0V FSW 500kHz 0 to 25 8 75A Load Step Figure 9 Load Transient Waveform DC2312A B VIN 12V VOUT0 1 0V FSW 450kHz 0 to 25 17 5A Load Step QUICK START PROCEDURE ...

Страница 7: ...12A A DC2312A B Figure 10 Thermal Picture of DC2312A A VIN 12V VOUT0 1 5V 35A VOUT1 1 0V 35A fSW 500kHz 400LFM Air Flow Figure 11 Thermal Picture of DC2312A B VIN 12V VOUT0 1 0V 70A fSW 450kHz 400LFM Air Flow QUICK START PROCEDURE ...

Страница 8: ...es unprecedented diagnostic anddebugfeatures Itbecomesavaluablediagnostictool during board bring up to program or tweak the power management scheme in a system or to diagnose power LTpowerPlay SOFTWARE GUI issues when bringing up rails LTpowerPlay utilizes the DC1613AUSB to SMBuscontrollertocommunicatewith oneofmanypotentialtargets includingtheLTC3882 1 s DC2312A demo system or a customer board Th...

Страница 9: ...heLTC3882 1 is communicating c In the Toolbar click the R RAM to PC icon to read the RAM from the LTC3882 1 This reads the configurationfromtheRAMofLTC3882 1andloads it into the GUI d Ifyouwanttochangetheoutputvoltagetoadifferent value like 1 2V In the Config tab type in 1 2 in the VOUT_COMMAND box like this Then click the W PC to RAM icon to write these register values to the LTC3882 1 After fini...

Страница 10: ...RM155R71C104KA88D 13 1 C45 CAP X7R 100nF 16V 10 0603 TDK C1608X7R1C404KT000N 14 8 C12 C13 C14 C23 C38 C39 C40 C43 CAP X5R 100µF 6 3V 20 1206 MURATA GRM31CR60J107ME39L 15 8 C15 C16 C26 C27 C17 C18 C19 C28 CAP POSCAP 470µF 2 5V D2E SIZE PANASONIC EEFGX0E471R 16 2 L1 L2 IND 0 17µH COOPER FP1007R3 R17 R 17 1 R1 RES CHIP 1 1 0402 VISHAY CRCW04021R00FKED 18 2 R2 R15 RES CHIP 24 9k 1 0402 VISHAY CRCW0402...

Страница 11: ...IP 100k 1 0402 VISHAY CRCW0402100KFKED 17 2 RSD1 RSD2 RES CHIP 5 1M 5 0402 VISHAY CRCW04025M10JNED 18 2 R5 R25 RES CHIP 0 0402 VISHAY CRCW04020000Z0ED 19 5 R16 R24 R71 R73 R83 RES CHIP 0 0603 VISHAY CRCW06030000Z0EA 20 1 R45 SENSE RES 0 010Ω 1W 1 2512 PANASONIC ERJ M1WSF10MU 21 1 R48 SENSE RES 0 001Ω 1W 1 2512 PNANSONIC ERJ M1WTF1M0U 22 0 R29 R30 R31 R32 R33 R34 R35 R36 R37 R38 R39 R40 R53 R68 R72...

Страница 12: ... LUG 10 KEYSTONE 8205 6 4 J3 J4 J8 J9 WASHER TIN PLATED BRASS ANY 10 EXT BZ TN 7 4 JP1 JP2 JP4 JP6 HEADER 3 PIN 0 079 SINGLE ROW WURTH 620 003 111 21 8 4 JP1 JP2 JP4 JP6 SHUNT SAMTEC 2SN BK G 9 2 SW3 SW4 CONNECTOR SUB MINIATURE SLIDE SWITCHES C K JS202011CQN 10 3 J7 J10 J14 CONN BNC PC MOUNT RECEPT JACK 50Ω TF 4 POST CONNEX 112404 11 1 J11 HEADER 12POS 2MM STR DL PCB FCI 98414 G06 12ULF 12 1 J12 C...

Страница 13: ...AP X7R 100nF 16V 10 0402 MURATA GRM155R71C104KA88D 13 1 C45 CAP X7R 100nF 16V 10 0603 TDK C1608X7R1C404KT000N 14 8 C12 C13 C14 C23 C38 C39 C40 C43 CAP X5R 100µF 6 3V 20 1206 MURATA GRM31CR60J107ME39L 15 8 C15 C16 C26 C27 C17 C18 C19 C28 CAP POSCAP 470µF 2 5V D2E SIZE PANASONIC EEFGX0E471R 16 2 L1 L2 IND 0 17µH COOPER FP1007R3 R17 R 17 1 R1 RES CHIP 1 1 0402 VISHAY CRCW04021R00FKED 18 2 R2 R15 RES ...

Страница 14: ...2 RES CHIP 100k 1 0402 VISHAY CRCW0402100KFKED 17 2 RSD1 RSD2 RES CHIP 5 1M 5 0402 VISHAY CRCW04025M10JNED 18 2 R5 R25 RES CHIP 0 0402 VISHAY CRCW04020000Z0ED 19 5 R16 R24 R71 R73 R83 RES CHIP 0 0603 VISHAY CRCW06030000Z0EA 20 1 R45 SENSE RES 0 010Ω 1W 1 2512 PANASONIC ERJ M1WSF10MU 21 1 R48 SENSE RES 0 001Ω 1W 1 2512 PNANSONIC ERJ M1WTF1M0U 22 0 R29 R30 R31 R32 R33 R34 R35 R36 R37 R38 R39 R40 R53...

Страница 15: ...4 J3 J4 J8 J9 RING LUG 10 KEYSTONE 8205 6 4 J3 J4 J8 J9 WASHER TIN PLATED BRASS ANY 10 EXT BZ TN 7 4 JP1 JP2 JP4 JP6 HEADER 3 PIN 0 079 SINGLE ROW WURTH 620 003 111 21 8 4 JP1 JP2 JP4 JP6 SHUNT SAMTEC 2SN BK G 9 2 SW3 SW4 CONNECTOR SUB MINIATURE SLIDE SWITCHES C K JS202011CQN 10 3 J7 J10 J14 CONN BNC PC MOUNT RECEPT JACK 50Ω TF 4 POST CONNEX 112404 11 1 J11 HEADER 12POS 2MM STR DL PCB FCI 98414 G0...

Страница 16: ...NVERTER WITH POWER SYSTEM MANAGEMENT HZ HAORAN W N A LTC3882EUJ 1 DEMO CIRCUIT 2312A A SIZE DATE V E R O N C I SHEET OF TITLE APPROVALS PCB DES APP ENG TECHNOLOGY Fax 408 434 0507 Milpitas CA 95035 Phone 408 432 1900 1630 McCarthy Blvd LTC Confidential For Customer Use Only CUSTOMER NOTICE LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER SUPPLIED SPECIFICATIONS HOWE...

Страница 17: ...ELIABILITY 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 Friday August 14 2015 2 3 HIGH EFFICIENCY DC DC CONVERTER WITH POWER SYSTEM MANAGEMENT HZ HAORAN W N A LTC3882EUJ 1 DEMO CIRCUIT 2312A A SIZE DATE V E R O N C I SHEET OF TITLE APPROVALS ...

Страница 18: ...AR 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 Friday August 14 2015 3 3 HIGH EFFICIENCY DC DC CONVERTER WITH POWER SYSTEM MANAGEMENT HZ HAORAN W N A LTC3882EUJ 1 DEMO CIRCUIT 2312A A SIZE DATE V E R O N C I SHEET OF TITLE APPROVALS PCB DES APP ENG TECHNOL...

Страница 19: ... DC DC CONVERTER WITH POWER SYSTEM MANAGEMENT HZ HAORAN W N A LTC3882EUJ 1 DEMO CIRCUIT 2312A B SIZE DATE V E R O N C I SHEET OF TITLE APPROVALS PCB DES APP ENG TECHNOLOGY Fax 408 434 0507 Milpitas CA 95035 Phone 408 432 1900 1630 McCarthy Blvd LTC Confidential For Customer Use Only CUSTOMER NOTICE LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER SUPPLIED SPECIFICAT...

Страница 20: ...ELIABILITY 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 Monday August 10 2015 2 3 HIGH EFFICIENCY DC DC CONVERTER WITH POWER SYSTEM MANAGEMENT HZ HAORAN W N A LTC3882EUJ 1 DEMO CIRCUIT 2312A B SIZE DATE V E R O N C I SHEET OF TITLE APPROVALS ...

Страница 21: ...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 Monday August 10 2015 3 3 HIGH EFFICIENCY DC DC CONVERTER WITH...

Страница 22: ... OR STATUTORY INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE EXCEPT TO THE EXTENT OF THIS INDEMNITY NEITHER PARTY SHALL 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...

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