background image

8

DEMO MANUAL DC1811B-B

Rev. A

PARTS LIST

ITEM

QTY

REFERENCE

PART DESCRIPTION

MANUFACTURER/PART NUMBER

Required Circuit Components

1

1

CIN1  

CAP., 150µF, 35V, ALUMINUM ELECTR.,

SUN ELECT., 35CE150AX

2

4

CIN2, CIN3, CIN4, CIN5

CAP., X5R, 10µF, 35V, 10%,1210

MURATA, GRM32ER6YA106KA12

3

6

COUT1-COUT3, COUT6-COUT8

CAP., X5R, 100µF, 6.3V, 20%, 1210

AVX, 12106D107MAT2A  

4

2

COUT4, COUT5

CAP., 330µF, 6.3V, POSCAP, D3L

PANASONIC, 6TPF330M9L  

5

2

C1, C14

CAP., X7R, 2200pF, 25V, 10%, 0603

AVX, 06033C222KAT2A

6

1

C26

CAP., X5R, 100nF, 16V, 10%,0603

AVX, 0603YD104KAT2A

7

2

C27, C28

CAP., X7R, 10nF, 16V, 10%,0603

AVX, 0603YC103KAT2A

8

1

C23

CAP., X7R, 1µF, 25V,10%, 0805

AVX, 08053C105KAT2A

9

3

C21, C22, C24

CAP., X5R, 1µF, 25V,10%, 0603

AVX, 06033D105KAT2A

10

2

JP1, JP2

HEADER 3-PIN 0.079 SINGLE ROW 

SULLIN, NRPN031PAEN-RC

11

3

J2-J4

CONN, BNC, 5 PINS

CONNEX, 112404

12

1

J1

CONN HEADER 12POS 2mm STR DL PCB

FCI, 98414-G06-12ULF

13

6

J5-J10

BANANA JACK

KEYSTONE, 575-4

14

1

Q1

N-CHANNEL 40-V MOSFET

VISHAY, SUD50N04-8M8P-4GE3

15

1

D8

DIODE, ULTRA LOW SCHOTTKY RECTIFIER NXP SEMI., PMEG2005AEL

16

1

Q19 

P-CHANNEL 30-V MOSFET

DIODES INC., DMP3130L-7 

17

1

J11

CONN RECEPT 2mm DUAL R/A 14POS (F) SULLINS, NPPN072FJFN-RC

18

1

J12

HEADER 14POS 2mm R/A GOLD (M)

MOLEX, 87760-1416

19

1

J13

HEADER, 4 PINS, SHROUDED

HIROSE, DF3A-4P-2DSA

20

10

R3, R5, R7, R9, R25, R31, R32, R63, R65, R66 RES., CHIP, 0Ω, 1%, 0603

NIC, NRC06ZOTRF

21

2

R69, R70

RES., CHIP, 10k, 1%, 0603

NIC, NRC06F10R0TRF

22

12

R10-R16, R18, R19, R24, R52, R77

RES., CHIP, 10k, 1%, 0603

NIC, NRC06F1002TRF

23

1

R78

RES., CHIP, 15.8k, 1%, 0603

NIC, NRC06F1582TRF   

24

1

R30

RES., CHIP, 6.34k, 1%, 0603

VISHAY, CRCW06036K34FKEA

25

3

R2, R72, R73

RES., CHIP, 4.99k, 1%, 0603

NIC, NRC06F4991TRF   

26

1

R22

RES., CHIP, 4.22k, 1%, 0603

VISHAY, CRCW06034K22FKEA

27

1

R48

RES., CHIP, 0Ω, 0.5W, 2010

NIC, NRC50ZOTRF 

28

1

R53

RES., CHIP, 0.01Ω, 1/2W, 1%, 2010

VISHAY, WSL2010R0100FEA

29

1

U3

IC, 24LC025-I/ST, SOIC

MICROCHIP, 24LC025-I/ST

30

1

U1  

IC, LTM4676AEY#PBF

ANALOG DEVICES, LTM4676AEY#PBF

Additional Demo Board Circuit Components

1

0

C2, C15-C17(OPT)

CAP., 0603

2

0

D1, D2 (OPT)

DIODE, SOD-323

3

0

R4, R6, R8, R20, R23, R26-R29, R33, R35, R37, 

R38, R41, R49, R61, R62, R64, R67, R68, R74, 

R75, R82, R83, R88, R89 (OPT)

RES., OPTIONAL 

4

0

R50, R51(OPT)

RES., CHIP, 30, 1%, 2512

Hardware-For Demo Board Only

1

24

E1-E17, E20-E24, E28, E29

TESTPOINT, TURRET, 0.062"

MILL-MAX, 2308-2-00-80-00-00-07-0

2

2

XJP1, XJP2

SHUNT

SAMTEC, 2SN-BK-G

3

4

(STAND-OFF)

STAND-OFF, NYLON 0.50" TALL (SNAP ON) KEYSTONE, 8833

4

1

FAB, PRINTED CIRCUIT BOARD

DEMO CIRCUIT 1811B-B

Summary of Contents for Analog Devices LTM4676A

Page 1: ...for any serial bus communication This allows easy evaluation of the DC DC converter To fully explore the extensive power system management features of the part download the GUI software LTpowerPlay on...

Page 2: ...ges VOUT0 should be 1 0V 0 5 and VOUT1 should be 1 8V 0 5 6 Oncetheproperoutputvoltagesareestablished adjustthe loads within the operating range and observe the output voltage regulation ripple voltag...

Page 3: ...MANUAL DC1811B B Rev A QUICK START PROCEDURE Figure 2 Proper Measurement Equipment Setup VOUT GND COUT Figure 3 Measuring Output Voltage Ripple VIN 4 5V TO 26 5V LOAD1 0A TO 13A VOUT1 LOAD0 0A TO 13A...

Page 4: ...65 EFFICIENCY 70 80 85 90 6 7 8 10 9 11 12 100 DC1811A F05 75 1 2 3 4 5 13 95 VOUT 1V VOUT 1 2V VOUT 1 5V VOUT 1 8V VOUT 2 5V VOUT 3 3V VIN 5V fSW 500kHz CCM Figure 5 Efficiency vs Load Current at VI...

Page 5: ...ut Voltage VOUT1 vs Load Current VOUT1 Range 1 VOUT1 20MHz BW 50mV DIV 9 75A TO 13A LOAD STEP VOUT0 20MHz BW 10mV DIV Figure 9 Output Voltage Ripple at VIN 12V VOUT0 1V IOUT0 13A Figure 10 Output Volt...

Page 6: ...unprecedented diagnos tic 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 b...

Page 7: ...k the R RAM to PC icon to read the RAM from the LTM4676A This reads the configuration from the RAM of LTM4676A and loads it into the GUI Then click the W PC to RAM icon to write these register values...

Page 8: ...DUAL R A 14POS F SULLINS NPPN072FJFN RC 18 1 J12 HEADER 14POS 2mm R A GOLD M MOLEX 87760 1416 19 1 J13 HEADER 4 PINS SHROUDED HIROSE DF3A 4P 2DSA 20 10 R3 R5 R7 R9 R25 R31 R32 R63 R65 R66 RES CHIP 0...

Page 9: ...TOR HZ JIAN L B LTM4676EY LTM4676AEY DEMO CIRCUIT 1811B A B REVISION HISTORY DESCRIPTION DATE APPROVED ECO REV JIAN L PRODUCTION 4 1 2 6 1 __ REVISION HISTORY DESCRIPTION DATE APPROVED ECO REV JIAN L...

Page 10: ...ION IN THE ACTUAL APPLICATION COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR...

Page 11: ...ATION COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE THIS CIRCUIT...

Page 12: ...t 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 pro...

Reviews: