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dc1759af

DEMO MANUAL DC1759A

 PARTS LIST

ITEM

QTY

REFERENCE

PART DESCRIPTION

MANUFACTURER/PART NUMBER

Required Circuit Components

1

1

CIN1

Cap., 150μF, 25V, Aluminum Electr., 

SUN ELECT., 25CE150AX

2

3

CIN2, CIN3, CIN4, CIN5

Cap., X5R, 22μF, 25V, 10%, 1210

MURATA, GRM32ER61E226KE15

3

2

COUT1, COUT7

Cap., 330μF, 6.3V, POSCAP 7343

SANYO, 6TPF330M9L

4

2

COUT4, COUT5

Cap., X5R, 100μF, 6.3V, 20% 1210

AVX, 12106D107MAT2A

5

1

C2

Cap., X7R, 1μF, 25V, 10%, 0805

AVX, 08053C105KAT2A

6

2

C5, C7

Cap., X5R, 0.1μF, 25V, 10%, 0603

AVX, 06033D104KAT

7

1

C6

Cap., 33pF, 10V, 10%, 0603

AVX, 0603ZC330KAT2A

8

1

C9

Cap., 47pF, 10V, 10%, 0603

AVX, 0603ZC470KAT2A

9

4

C13, C14, C15, C16

Cap., X7R, 1μF, 10V, 10%, 0603

AVX, 0603ZC105KAT

10

1

Q1

N-Channel 30-V Mosfet

VISHAY, SUD50N03-09P

11

4

R1, R3, R22, R26

Res., Chip, 10Ω, 1%, 0603

NIC, NRC06F10R0TRF

12

4

R5, R24, R27, R36

Res., Chip, 10k, 1%, 0603

YAGEO, RC0603FR-0710KL

13

4

R7, R21, R29, R32

Res., Chip, 0Ω, 1%, 0603

VISHAY, CRCW06030000Z0ED

14

4

R9, R12, R15, R18

Res., Chip, 60.4k, 1%, 0603

VISHAY, CRCW060360K4FKED

15

2

R10, R13

Res., Chip, 6.04k, 1%, 0603

YAGEO, RC060FR-0760K4L

16

1

R19

Res., Chip, 8.25k, 1%, 0603

VISHAY, CRCW06038K25FKED

17

1

R25

Res., Chip, 13.3k, 1%, 0603

VISHAY, CRCW060313K3FKED

18

1

R30

Res., Chip, 191k, 1%, 0603

VISHAY, CRCW0603191KFKED

19

1

R34

Res., Chip, 0Ω, 0.5W, 2010

TEPRO, RN6083

20

1

R37

Res., Chip, 0.015Ω, 2W, 2512

VISHAY, WSL2512R0150FEA

21

1

U1

LTM4620AEV 15X15X4.41-LGA

LINEAR TECH., LTM4620AEV

Additional Circuits

22

0

COUT2, COUT3, COUT6, COUT8, 

OPT 1210

OPT

23

0

C1

OPT 0805

OPT

24

0

C3, C4, C8, C10, C11, C12

OPT 0603

OPT

25

0

R2, R4, R6, R8, R11, R14, R16, R17, R20, R23, 
R28, R31, R33, R39, R40

OPT 0603

OPT

26

0

R35

OPT 2010

OPT

27

0

R38

OPT 2512

OPT

Hardware/Components (For Demo Board Only)

28

16

E1, E3-E10, E12-E18

TESTPOINT, TURRET, 0.094"

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

CONN, BANANA JACK, KEYSTONE-575-4

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

4

MTGS at 4 corners

STAND-OFF, NYLON 0.50"

KEYSTONE, 8833(SNAP-ON)

36

6

XJP1-XJP6

SHUNT, 0.079" CENTER

SAMTEC, 2SN-BK-G

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Summary of Contents for DC1759A

Page 1: ... 26A output solution with optional jumper resistors The board allows the user to program how its output ramps up and L LT LTC LTM Linear Technology the Linear logo and Burst Mode are registered trademarks of Linear Technology Corporation All other trademarks are the property of their respective owners down through the TRACK SS pin The output can be set up to either coincidentally or ratiometricall...

Page 2: ...istors R34 or R35 on the backsideofboards toapplyloadtransientonchannel1 or channel 2 correspondingly 6 Optional LTM4620Acanbesynchronizedtoanexternal clock signal Place the JP1 jumper on EXT_CLK and apply a clock signal 0V 5V square wave on the CLKIN test point 7 Optional The outputs of LTM4620A can track another supply The jumpers JP4 and JP5 allow choosing soft start or output tracking If track...

Page 3: ... 2 VOUT2 5V fSW 750kHz Channel 1 Disabled LOAD CURRENT A 0 EFFICIENCY 100 90 80 95 85 75 4 8 2 6 10 dc1759a F03 13 12 3 7 1 5 9 11 VIN 5 5V VOUT1 3 3V VIN 12V VOUT1 3 3V VIN 16V VOUT1 3 3V LOAD CURRENT A 0 EFFICIENCY 100 90 80 95 85 75 4 8 2 6 10 dc1759a F04 13 12 3 7 1 5 9 11 VIN 5 5V VOUT2 5V VIN 12V VOUT2 5V VIN 16V VOUT2 5V Downloaded from Arrow com Downloaded from Arrow com Downloaded from Ar...

Page 4: ...E Figure 5 Measured Channel 1 6 5A to 13A Load Transient VIN 12V VOUT1 3 3V Figure 6 Measured Channel 2 6 5A to 13A Load Transient VIN 12V VOUT2 5V dc1759a F05 3 3V OUTPUT 20MHz BW 100mV DIV 6 5A TO 13A LOAD Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com ...

Page 5: ...V Input 3 3V 13A Output with Standard Demo Circuit Default Setup Figure 8 Measured Output Voltage Ripple at 12V Input 5V 13A Output with Standard Demo Circuit Default Setup dc1759a F08 5V OUTPUT 20MHz BW 20mV DIV Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com ...

Page 6: ...rmal Capture at 12VIN 3 3VOUT at 13A and 5VOUT at 13A Ambient Temperature 23 C 200LFM Airflow and No Heat Sink Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com ...

Page 7: ...Res Chip 13 3k 1 0603 VISHAY CRCW060313K3FKED 18 1 R30 Res Chip 191k 1 0603 VISHAY CRCW0603191KFKED 19 1 R34 Res Chip 0Ω 0 5W 2010 TEPRO RN6083 20 1 R37 Res Chip 0 015Ω 2W 2512 VISHAY WSL2512R0150FEA 21 1 U1 LTM4620AEV 15X15X4 41 LGA LINEAR TECH LTM4620AEV Additional Circuits 22 0 COUT2 COUT3 COUT6 COUT8 OPT 1210 OPT 23 0 C1 OPT 0805 OPT 24 0 C3 C4 C8 C10 C11 C12 OPT 0603 OPT 25 0 R2 R4 R6 R8 R11 ...

Page 8: ...T 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 Thursday November 15 2012 1 2 HIGH EFFICIENCY DUAL 13A STEP DOWN MODULE REGULATOR LT JIAN L N A LTM4620AEV DEMO CIRCUIT 1759A E4 E4 J6 J6 R16 OPT R16 OPT J7 J7 JP3 OFF RUN2 JP3 OFF RUN2 1 3 2 E15 TEMP E1...

Page 9: ...LE OPERATION IN THE 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 Thursday November 15 2012 2 2 HIGH EFFICIE...

Page 10: ...HALL 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 the goods Due to the open construction of the product it is the user s responsibility to take any and all appropriate precautions with re...

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