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Linear Technology DC2341A, Demo Manual

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4

dc2341af

DEMO MANUAL DC2341A

PARTS LIST

ITEM

QTY

REFERENCE

PART DESCRIPTION

MANUFACTURER/PART NUMBER

Required Circuit Components

1

1

CIN1

CAP, ALUM ELEC180µF 20% 25V

PANASONIC., 25SVPF180M

2

2

CIN4, CIN5

CAP, 1210 22µF 20% 25V X5R

AVX, 12103D226MAT2A

3

1

CIN6

CAP, 1206 10µF 20% 25V X5R

AVX, 12063D106MAT2A

4

2

COUT1, COUT4

CAP, 7343 330µF 20% 2.5V POSCAP

PANASONIC, 2R5TPE330M9

5

4

COUT2, COUT3, C15, C16

CAP, 1210 100µF 20% 6.3V X5R

AVX, 12106D107MAT2A

6

2

C1, C17

CAP, 0805 1µF 10% 25V X5R

AVX, 08053D105KAT2A

7

2

C2, C5, C7

CAP, 0603 220nF 10% 25V X5R

MURATA GRM188R71E224KA88D

8

1

C10

CAP, 0603 0.1µF 10% 10V X5R

AVX, 0603ZD104KAT2A

9

1

C11

CAP, 2.2nF X7R 50V 5% 0603

AVX, 06035C222JAT2A

10

1

C12

CAP, 0603 120pF 10% 25V NPO

AVX, 06033A121KAT2A

11

2

C6, C14

CAP, 0805 4.7µF 20% 10V X5R

AVX, 0805ZD475MAT2A

12

1

D1 

DOIDE, SCHOTTKY 30V SOD-323

CENTRAL SEMI., CMDSH-3 TR

13

1

L1

IND, 0.25µH

WURTH ELEKTRONIK, 744308025

14

1

Q1 

MOSFET, N-CH D-S 40V TO252

VISHAY, SUD50N04-8M8P-4GE3

15

1

R1

RES, 2.2Ω 1/10W 5% 0603

VISHAY, CRCW06032R20JNEA

16

4

R8, R16, R17, R20

RES, 0Ω JUMPER 1/10W 0603

VISHAY, CRCW06030000Z0EA

17

2

R19, R30

RES, 10k 1/10W 5% 0603

VISHAY, CRCW060310K0JNEA

18

1

R28

SENSE RES, 2512 0.01Ω 1% 1W 

VISHAY, WSL2512R0100FEA

19

1

R10

RES 0603 100k 1% 1/10W

VISHAY, CRCW0603100KFKEA

20

1

R13

RES 0603 1k 1% 1/10W

VISHAY, CRCW06031K00FKEA

21

1

R4

RES, 0603 619Ω 1% 1/10W

VISHAY, CRCW0603619RFKEA

22

2

R9, R12

RES, 0603 10Ω 5% 1/10W

VISHAY, CRCW060310R0JNEA

23

1

R24

RES, 0603 6.04k 1% 1/10W

VISHAY, CRCW06036K04FKEA

24

2

R3

RES, 0603 2.7Ω 1% 1/10W

VISHAY, CRCW06032R7FKEA

25

1

R23

RES, 0603 124k 1% 1/10W

VISHAY, CRCW0603124KFKEA

26

1

R11

RES, 0603 3.01k 1% 1/10W

VISHAY, CRCW06033K01FKEA

27

1

R5

RES, 0603 3.09k 1% 1/10W

VISHAY, CRCW06033K09FKEA

28

1

R32

RES, 0603 6.65k 1% 1/10W

VISHAY, CRCW06036K65FKEA

29

1

U1

IC, LTC7130EY#PBF

LINEAR TECH., LTC7130EY#PBF

Additional Demo Board Circuit Components

30

0

COUT5, COUT6 OPT

CAP, 7343 OPTION

31

0

CIN2, CIN3, (OPT)

CAP, OPTION

32

0

C3, C4, C8, C9, C13, (OPT)

CAP, 0603 OPTION

33

0

RN1, R2, R6, R7, R14, R15, R18, R22, 

R25, R27, R29

RES, 0603 OPTION

Hardware: For Demo Board Only

34

13

E1-E13

TESTPOINT, TURRET, 0.094" PbF

MILL-MAX, 2501-2-00-80-00-00-07-0

35

1

JP2 

HEADER, 4 PIN 0.079" SINGLE ROW 

SULLINS, NRPN041PAEN-RC

36

1

JP1 

HEADER, 3 PIN 0.079" SINGLE ROW 

SULLINS, NRPN031PAEN-RC

37

4

J1-J4

JACK, BANANA

KEYSTONE 575-4

38

1

J5

CONN, BNC, 5 PINS

CONNEX, 112404

39

4

MH1, MH2, MH3, MH4

STAND-OFF, NYLON 0.50" tall

KEYSTONE, 8833

40

2

JP1, JP2

SHUNT, 0.079" CENTER

SAMTEC, 2SN-BK-G

Summary of Contents for DC2341A

Page 1: ... Linear logo and Burst Mode are registered trademarks of Linear Technology Corporation All other trademarks are the property of their respective owners PERFORMANCE SUMMARY orforcedcontinuousmode CCM operation Theconverter can also be externally synchronized through the MODE PLLIN pin MODE PLLIN terminal on the board JP2 no jumper or BURST position To shut down the converter one simple way is to fo...

Page 2: ...d outputs 4 Turnontheinputpowersupplyandcheckfortheproper output voltages VOUT should be 1 5V 2 5 Oncetheproperoutputvoltagesareestablished adjust the loads within the operating range and observe the output voltage regulation ripple voltage and other parameters NOTE When measuring the output or input voltage ripple donotusethelonggroundleadontheoscilloscopeprobe See Figure 2 for the proper scope p...

Page 3: ...gure 4 Load Step Transient Test VIN 12V Figure 5 Thermal Picture VIN 12V IO 20A 21 C Ambient No Forced Airflow QUICK START PROCEDURE VOUT GND COUT LOAD CURRENT A 0 EFFICIENCY 100 95 90 75 55 85 65 70 80 60 50 dc2341a F03 20 10 5 15 4 5VIN 12VIN 20VIN VO 50mV DIV AC COUPLED 10A LOAD STEP 5A DIV TOTAL IO 10A TO FROM 20A dc2341a F04 ...

Page 4: ...Y CRCW060310K0JNEA 18 1 R28 SENSE RES 2512 0 01Ω 1 1W VISHAY WSL2512R0100FEA 19 1 R10 RES 0603 100k 1 1 10W VISHAY CRCW0603100KFKEA 20 1 R13 RES 0603 1k 1 1 10W VISHAY CRCW06031K00FKEA 21 1 R4 RES 0603 619Ω 1 1 10W VISHAY CRCW0603619RFKEA 22 2 R9 R12 RES 0603 10Ω 5 1 10W VISHAY CRCW060310R0JNEA 23 1 R24 RES 0603 6 04k 1 1 10W VISHAY CRCW06036K04FKEA 24 2 R3 RES 0603 2 7Ω 1 1 10W VISHAY CRCW06032R7...

Page 5: ...41A WITH INTEGRATED FETS AND VERY LOW DCR INDUCTOR SIZE DATE IC NO REV SHEET OF TITLE CONTRACT NO APPROVALS PCB DES 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 HOWEVER IT REMAINS THE CUSTOMER S RE...

Page 6: ...ORY 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 or use of...

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