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18

DEMO MANUAL DC2652A-A

Rev. 0

5

5

4

4

3

3

2

2

1

1

D

D

C

C

B

B

A

A

VOUT0

VOUT1

PULSE

DYNAMIC LOAD TEST CIRCUIT, FOR DEMO BOARD ONLY

70Hz, 3% Duty Cycle

INT

1%

EXT

1%

IOUT STEP

BLEEDER LOADS

SHT 1

SHT 1,2

OPTION FOR EIGHT-PHASE CONFIGURATION CONNECTION

XAL5030-472MEB

COILCRAFT

5V BIAS

CONVERTER WITH POWER SYSTEM MANAGEMENT

VDR

VOUT1

VOUT0

VOUT0

VOUT1

VOUT0

VOUT1

VOUT0

VOUT1

INTVCC1

INTVCC1

VDR

VIN

VOUT0

VOUT1

ITHR0

ITHR1

FAULT0b

FAULT1b

VSENSE0-

VSENSE1-

ITH0

ITH1

RUN0

RUN1

PGOOD0/CLKOUT

PGOOD1

DATE:

SHEET

OF

TITLE: SCHEMATIC

APPROVALS

PCB DES.

APP ENG.

SIZE:

SCHEMATIC NO. AND REVISION:

CUSTOMER NOTICE

THIS CIRCUIT IS PROPRIETARY TO ANALOG  DEVICES  AND

SUPPLIED FOR USE WITH ANALOG DEVICES PARTS.

SKU NO.

IC NO.

ANALOG DEVICES HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED  SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S  RESPONSIBILITY TO VERIFY PROPER AND RELIABLE  OPERATION IN THE ACTUAL APPLICATION.  COMPONENT  SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT  MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE  OR RELIABILITY.  CONTACT ANALOG DEVICES  APPLICATIONS ENGINEERING FOR ASSISTANCE.

2555 AUGUSTINE DRIVE

www.analog.com

ANALOG DEVICES

AHEAD OF WHAT'S POSSIBLE

TM

SANTA CLARA, CA 95054

58

LT

YL

LTC3888UHG

8-PHASE, DUAL OUTPUT SYNCHRONOUS BUCK

DC2652A

710-DC2652A(A,B)_REV03

N/A

Monday, April 11, 2022

DATE:

SHEET

OF

TITLE: SCHEMATIC

APPROVALS

PCB DES.

APP ENG.

SIZE:

SCHEMATIC NO. AND REVISION:

CUSTOMER NOTICE

THIS CIRCUIT IS PROPRIETARY TO ANALOG  DEVICES  AND

SUPPLIED FOR USE WITH ANALOG DEVICES PARTS.

SKU NO.

IC NO.

ANALOG DEVICES HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED  SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S  RESPONSIBILITY TO VERIFY PROPER AND RELIABLE  OPERATION IN THE ACTUAL APPLICATION.  COMPONENT  SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT  MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE  OR RELIABILITY.  CONTACT ANALOG DEVICES  APPLICATIONS ENGINEERING FOR ASSISTANCE.

2555 AUGUSTINE DRIVE

www.analog.com

ANALOG DEVICES

AHEAD OF WHAT'S POSSIBLE

TM

SANTA CLARA, CA 95054

58

LT

YL

LTC3888UHG

8-PHASE, DUAL OUTPUT SYNCHRONOUS BUCK

DC2652A

710-DC2652A(A,B)_REV03

N/A

Monday, April 11, 2022

DATE:

SHEET

OF

TITLE: SCHEMATIC

APPROVALS

PCB DES.

APP ENG.

SIZE:

SCHEMATIC NO. AND REVISION:

CUSTOMER NOTICE

THIS CIRCUIT IS PROPRIETARY TO ANALOG  DEVICES  AND

SUPPLIED FOR USE WITH ANALOG DEVICES PARTS.

SKU NO.

IC NO.

ANALOG DEVICES HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED  SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S  RESPONSIBILITY TO VERIFY PROPER AND RELIABLE  OPERATION IN THE ACTUAL APPLICATION.  COMPONENT  SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT  MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE  OR RELIABILITY.  CONTACT ANALOG DEVICES  APPLICATIONS ENGINEERING FOR ASSISTANCE.

2555 AUGUSTINE DRIVE

www.analog.com

ANALOG DEVICES

AHEAD OF WHAT'S POSSIBLE

TM

SANTA CLARA, CA 95054

58

LT

YL

LTC3888UHG

8-PHASE, DUAL OUTPUT SYNCHRONOUS BUCK

DC2652A

710-DC2652A(A,B)_REV03

N/A

Monday, April 11, 2022

D1 DFLS1200

R188

OPT

R184

OPT

2010

R252

60.4k

1%

R162

OPT

2010

C110 1uF 0805

+

COUT38

OPT

7343

2.5V

R174

82.5

1%

+

COUT61

470uF

7343

2.5V

C87 1.0uF

R171 681K 1%

COUT42 100uF

1210

6.3V

L9

4.7uH

C116 100pF

C115 OPT

R170 20K

R163

OPT

2010

+

COUT39

470uF

7343

2.5V

COUT55 100uF

1210

6.3V

4.7uF

COUT66

1210

16V

COUT48

100uF

1210

6.3V

R187

OPT

R181

OPT

R169 20K

COUT47 100uF

1210

6.3V

+

COUT46

OPT

7343

2.5V

R258

0 0805

R173 301

COUT40 100uF

1210

6.3V

R193

OPT

2010

R179

OPT

R190

OPT

2010

+

COUT57

OPT 2.5V 7343

+

COUT52

OPT 2.5V 7343

C113 1uF 0805

+

COUT62 OPT 2.5V 7343

C85 100uF

1210

6.3V

R183

OPT

2010

R164 2

R257

0

R251

100k

JP2

1

2

3

J10

1

2

J8

1

2

CIN34 10uF 16V 1210

R166

0

C86 0.1uF

+

COUT63 470uF

7343

2.5V

R192

OPT

2010

R256 84.5k 1%

R189

OPT

2010

R176 OPT 2512

+

COUT59

OPT 2.5V 7343

COUT56

100uF

1210

6.3V

C114 5.6pF

C111 4.7uF

C108

2.2uF

16V

0805

+

COUT45 OPT

7343

2.5V

C89 1.0uF

C88 150pF

R175

5K

+

COUT50 OPT 2.5V 7343

COUT41

100uF

1210

6.3V

R168

1M

+

COUT54

OPT 2.5V 7343

U14

LT1803IS5

VOUT

1

V-

2

+IN

3

-IN

4

V+

5

R177 0.01 2512

R195

OPT

2010

+

COUT60 470uF

7343

2.5V

COUT49 1.0uF

Q2

SUD50N04-8M8P

R167

154k

10uF

COUT67

1210

16V

R186 27.4 2512

R250

2

C112

0.1uF

R178 1.21k

R172 10K

R180

OPT

R185 27.4 2512

U13

LTC6992IS6-1

MOD

1

GND

2

SET

3

DIV

4

V+

5

OUT

6

R182

OPT

JP1

ON

OFF

RUN

1

3

2

R165

3.3

1%

U22

LTC3646EDE-1

BOOST

10

VFB

2

VON

5

PGOOD

6

PGND

15

SW

9

SVIN

14

EXTVCC

12

ITH

3

PVIN

8

RT

4

INTVCC

11

MODE/SYNC

7

RUN

13

SGND

1

E10

GND

CIN33 10uF 16V 1210

+

COUT58 OPT 2.5V 7343

Q1

SUD50N04-8M8P

R253 619k 1%

+

COUT51 OPT 2.5V 7343

R194

OPT

2010

C84 100uF

1210

6.3V

J9

1

2

R191

OPT

COUT44

100uF

1210

6.3V

COUT43 1.0uF

E9

EXT PULSE

+

COUT53 OPT 2.5V 7343

R255 200k

1%

SW

VDR

SCHEMATIC DIAGRAM

Summary of Contents for DC2652A-A

Page 1: ...roduces power based on configuration resistors or with the set ting in its non volatile memory without the need for any serial bus communication This allows easy evaluation of All registered trademark...

Page 2: ...efficiency measurement 2 When measuring the output or input voltage ripple do not use the long ground lead on the oscilloscope probe Figure 3 for the proper scope probe technique Short stiff leads ne...

Page 3: ...AL DC2652A A Rev 0 QUICK START PROCEDURE Figure 2 Proper Measurement Equipment Setup Figure 3 Measuring Output Voltage Ripple VOUT0 IOUT0 IOUT1 VOUT1 VIN IIN POWER SUPPLY LOAD0 LOAD1 DC2652A A F02 VOU...

Page 4: ...e DC1613A dongle may be plugged when VIN is present USB CABLE VIN VOUT0 LOAD0 LOAD1 VOUT1 12 PIN J12 CONNECTOR USB TO I2 C PMBUS DONGLE DC1613A INPUT POWER SUPPLY LTC3888 DEMO BOARD DC2652A A VOUT0 1...

Page 5: ...EP 20A DIV DC2652A A F08 100 s DIV VOUT0 20MHz BW 10mV DIV DC2652A A F09 1 s DIV VOUT1 20MHz BW 10mV DIV DC2652A A F10 1 s DIV Figure 7 VOUT0 Load Transient Response at VIN 12V VOUT0 1 0V Figure 9 VOU...

Page 6: ...6 DEMO MANUAL DC2652A A Rev 0 Figure 11 Thermal at VIN 12V VOUT0 1 0V IOUT0 120A VOUT1 1 0V IOUT1 120A TA 23 C No Airflow QUICK START PROCEDURE...

Page 7: ...ic and debug features It becomes a valuable diagnostic tool during board bring up to program or tweak the power management scheme in a system or to diagnose power issues when bringing LTPOWERPLAY SOFT...

Page 8: ...the R RAM to PC icon to read theRAMfromtheLTC3888 Thisreadstheconfiguration from the RAM of LTC3888 and loads it into the GUI d If you want to change the output voltage to a different value like 1 8V...

Page 9: ...1 C9 CAP 1 F X7R 16V 20 0603 AVX 0603YC105MAT2A 8 1 C10 CAP 2 2 F X5R 16V 10 0603 KEMET C0603C225K4PAC7867 9 2 C11 C108 CAP 2 2 F X5R 16V 10 0805 AVX 0805YD225KAT2A 10 16 C12 C14 C23 C25 C30 C32 C37 C...

Page 10: ...UHG LINEAR TECH LTC3888IUHG PBF 39 8 U2 U3 U4 U5 U6 U7 U8 U9 IC Powerstage Gate Driver DrMOS PQFN 5mm 6mm 70A INFINEON TDA21470AUMA1 40 1 U22 IC 1A SYNC STEP DOWN CONVERTER DFN 14 LINEAR TECH LTC3646E...

Page 11: ...R124 R125 R127 R129 R130 R131 R133 R135 R138 R140 RES 0 1 16W 0402 NIC NRC04ZOTRF 25 0 R4 R7 R11 R26 R33 R35 R56 R60 R62 R70 R73 R77 R84 R87 R92 R100 R103 R106 R114 R118 R120 R128 R132 R134 RES OPTION...

Page 12: ...CRCW08050000Z0EA 50 2 R242 R246 RES 332k 1 1 10W 0603 AEC Q200 NIC NRC06F3323TRF 51 2 R243 R245 RES 3 32k 1 1 10W 0603 AEC Q200 PANASONIC ERJ3EKF3321V 52 2 R262 R263 RES 1 1 1 8W 0805 AEC Q200 VISHAY...

Page 13: ...J1 J2 J3 J4 J5 J6 NUT HEX 10 32 STEEL ZINC PLATE KEYSTONE 4705 6 6 J1 J2 J3 J4 J5 J6 RING LUG 10 CRIMP 16 14 AWG NON INSULATED SOLDERLESS TERMINALS KEYSTONE 8205 7 6 J1 J2 J3 J4 J5 J6 WASHER FLAT STEE...

Page 14: ...ONS HOWEVER IT REMAINS THE CUSTOMER S RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT...

Page 15: ...22 DATE SHEET OF TITLE SCHEMATIC APPROVALS PCB DES APP ENG SIZE SCHEMATIC NO AND REVISION CUSTOMER NOTICE THIS CIRCUIT IS PROPRIETARY TO ANALOG DEVICES AND SUPPLIED FOR USE WITH ANALOG DEVICES PARTS S...

Page 16: ...MATIC APPROVALS PCB DES APP ENG SIZE SCHEMATIC NO AND REVISION CUSTOMER NOTICE THIS CIRCUIT IS PROPRIETARY TO ANALOG DEVICES AND SUPPLIED FOR USE WITH ANALOG DEVICES PARTS SKU NO IC NO ANALOG DEVICES...

Page 17: ...T OF TITLE SCHEMATIC APPROVALS PCB DES APP ENG SIZE SCHEMATIC NO AND REVISION CUSTOMER NOTICE THIS CIRCUIT IS PROPRIETARY TO ANALOG DEVICES AND SUPPLIED FOR USE WITH ANALOG DEVICES PARTS SKU NO IC NO...

Page 18: ...IC NO AND REVISION CUSTOMER NOTICE THIS CIRCUIT IS PROPRIETARY TO ANALOG DEVICES AND SUPPLIED FOR USE WITH ANALOG DEVICES PARTS SKU NO IC NO ANALOG DEVICES HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT T...

Page 19: ...ANCE 2555 AUGUSTINE DRIVE www analog com ANALOG DEVICES AHEAD OF WHAT S POSSIBLE TM SANTA CLARA CA 95054 6 8 LT YL LTC3888UHG 8 PHASE DUAL OUTPUT SYNCHRONOUS BUCK DC2652A 710 DC2652A A B _REV03 N A Mo...

Page 20: ...VICES AHEAD OF WHAT S POSSIBLE TM SANTA CLARA CA 95054 7 8 LT YL LTC3888UHG 8 PHASE DUAL OUTPUT SYNCHRONOUS BUCK DC2652A 710 DC2652A A B _REV03 N A Monday April 11 2022 DATE SHEET OF TITLE SCHEMATIC A...

Page 21: ...TS SKU NO IC NO ANALOG DEVICES HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER SUPPLIED SPECIFICATIONS HOWEVER IT REMAINS THE CUSTOMER S RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPE...

Page 22: ...disclose or transfer any portion of the Evaluation Board to any other party for any reason Upon discontinuation of use of the Evaluation Board or termination of this Agreement Customer agrees to promp...

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