Linear Technology DC1892A Demo Manual Download Page 7

7

dc1892afa

DEMO MANUAL DC1892A

parts List

ITEM

QTY REFERENCE

PART DESCRIPTION

MANUFACTURER/PART NUMBER

Required Circuit Components

1

4

CIN2, CIN3, CIN4, CIN5

CAP., X5R, 22µF, 25V, 10%,1210

MURATA, GRM32ER61E226KE15

2

2

COUT1, COUT7, COUT9, COUT10

CAP., 470µF, 4V, POSCAP, F8

SANYO, 4TPE470MCL

3

2

COUT4, COUT5

CAP., X5R, 100µF, 6.3V, 20%, 1210

AVX, 12106D107MAT2A

4

2

R22, R26

RES., CHIP, 10, 1%, 0603

VISHAY, CRCW060310R0FKEA

5

1

R19

RES., CHIP, 90.9k, 1%, 0603

VISHAY, CRCW060390K0FKEA

6

1

R25

RES., CHIP, 40.2k, 1%, 0603

VISHAY,CRCW060340K2FKEA

7

1

R5, R30

RES., CHIP, 121k, 1%, 0603

VISHAY,CRCW0603121KFKEA

8

1

U1

LTM4630EV, 16×16×4.41-LGA

LINEAR TECHNOLOGY, LTM4630EV

Additional Demo Board Circuit Components

9

1

CIN1

CAP., 150µF, 25V, ALUMINUM ELECTR.,

SUN ELECT., 25CE150AX

10

0

COUT2, COUT3, COUT6, COUT8

OPT, 1210

11

0

C1

OPT, 0805

12

1

C2

CAP., X7R, 1µF, 25V,10%, 0805

AVX, 08053C105KAT2A

13

2

C5, C7

CAP., X5R, 0.1µF, 25V, 10%, 0603

AVX, 06033D104KAT

14

0

C3, C4, C6, C8-C12

OPT, 0603

15

2

C13, C14

CAP., X7R, 0.01µF, 50V, 10%, 0603

AVX, 06035C103KAT2A

16

2

C15, C16

CAP., X7R, 1µF, 10V, 10%, 0603

AVX, 0603ZC105KAT2A

17

1

Q1

N-CHANNEL 30V MOSFET

VISHAY, SUD50N03-09P

18

2

R1, R3,

RES., CHIP, 10, 1%, 0603

VISHAY, CRCW060310R0FKEA

19

0

R2, R4, R6, R8, R11, R14, R16, R17, R20, 

R23, R28, R31, R33, R39, R40

OPT, 0603

20

4

R24, R27, R36

RES., CHIP, 10k, 1%, 0603

VISHAY, CRCW060310K0FKED

21

4

R7, R21, R29, R32

RES., CHIP, 0, 1%, 0603

VISHAY, CRCW06030000Z0ED

22

5

R9, R12, R15, R18

RES., CHIP, 60.4k, 1%, 0603

VISHAY, CRCW060360K4FKED

23

2

R10, R13

RES., CHIP, 6.04k, 1%, 0603

VISHAY, CRCW06036K04FKED

24

1

R34

RES., CHIP, 0Ω, 0.5W, 2010

VISHAY, CRCW20100000Z0EF

25

0

R35

OPT, 2010

26

1

R37

RES., CHIP, 0.015Ω, 2W, 2512

VISHAY, WSL2512R0150FEA

27

0

R38

OPT, 2512

Hardware: For Demo Board Only

28

16

E1, E3-E10, E12-E16

TESTPOINT, TURRET, 0.094" PBF

MILL-MAX, 2501-2-00-80-00-00-07-0

29

3

J1, J2, J3

CONN, BNC, 5 PINS

CONNEX 112404

30

6

J4-J9

JACK BANANA

KEYSTONE, 575-4

31

1

JP1

HEADER, 4-PIN, 0.079", DOUBLE ROW 

SAMTEC, TMM104-02-L-D

32

1

JP6

HEADER, 4-PIN, 0.079", SINGLE ROW 

SAMTEC, TMM104-02-L-S

33

3

JP2, JP3, JP4

HEADER, 3-PIN, 0.079", SINGLE ROW 

SAMTEC, TMM103-02-L-S

34

1

JP5

HEADER, 3-PIN, 0.079", DOUBLE ROW 

SAMTEC, TMM-103-02-L-D

35

6

XJP1-XJP6

SHUNT, 0.079" CENTER

SAMTEC, 2SN-BK-G

36

4

(STAND-OFF)

STAND-OFF, NYLON, 0.50" 

KEYSTONE, 8833 (SNAP-ON)

Summary of Contents for DC1892A

Page 1: ...cted in parallel for a single 36A output solution with optional jumper resistors The board L LT LTC LTM Linear Technology Linear logo and Burst Mode are registered trademarks of Linear Technology Corp...

Page 2: ...istors R34 or R35 on the backside of boards to apply load transient on channel 1 or channel 2 correspondingly 6 Optional LTM4630canbesynchronizedtoanexternal clock signal Place the JP1 jumper on EXT_C...

Page 3: ...3 dc1892afa DEMO MANUAL DC1892A Quick Start Procedure A A A LOAD 0A TO 18A LOAD 0A TO 18A VIN 4 5V TO 15V VOUT1 VOUT1 Figure 2 Test Setup of the DC1892A...

Page 4: ...to 18A Quick Start Procedure Figure 4 Measured Efficiency on Channel 2 VOUT2 1V fSW 500kHz Channel 1 Disabled CCM 0A to 18A LOAD CURRENT A 0 65 EFFICIENCY 90 85 80 75 70 95 10 12 14 16 18 2 4 6 dc1892...

Page 5: ...cedure Figure 5 Measured Channel 1 9A to 18A Load Transient VIN 12V VOUT1 1 5V Figure 6 Measured Channel 2 9A to 18A Load Transient VIN 12V VOUT2 1V 9A to 18A LOAD STEP 1 5V OUTPUT 20MHz BW 50mV DIV 9...

Page 6: ...6 dc1892afa DEMO MANUAL DC1892A Figure 7 Thermal Capture at 12VIN 1 5VOUT1 at 18A and 1VOUT2 at 18A TA 25 C 200 LFM Airflow and No Heat Sink Quick Start Procedure...

Page 7: ...C15 C16 CAP X7R 1 F 10V 10 0603 AVX 0603ZC105KAT2A 17 1 Q1 N CHANNEL 30V MOSFET VISHAY SUD50N03 09P 18 2 R1 R3 RES CHIP 10 1 0603 VISHAY CRCW060310R0FKEA 19 0 R2 R4 R6 R8 R11 R14 R16 R17 R20 R23 R28...

Page 8: ...FORMANCE 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 S...

Page 9: ...PECIFICATIONS 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 SIGNIFICANT...

Page 10: ...UDING 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 CON...

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