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dc1185b-a/-bf

DEMO MANUAL 

DC1185B-A/-B

PARTS LIST

ITEM

QTY

REFERENCE

PART DESCRIPTION

MANUFACTURER/PART NUMBER

Required Circuit Components

1

3

C11, C32, C36

CAP, 0805 4.7µF 10% 6.3V X5R

AVX 08056D475KAT

2

5

C12, C14, C15, C41, C44

CAP, 0603 1nF 10% 50V X7R

AVX 06035C102KAT

3

5

C2, C17, C20, C21, C47

CAP, 0603 0.1µF 10% 25V X7R

TDK C1608X7R1E104K

4

2

C43, C42

CAP, 0603 100pF 5% 25V X7R

AVX 06033C101JAT   

5

1

CIN1

CAP, 180µF 20% 16V OSCON

SANYO OSCON 16SVP180MX

6

2

CIN2, CIN3

CAP, 1210 10µF 10% 16V X5R

TAIYO YUDEN EMK325BJ106KN-T

7

2

COUT1, COUT4

CAP, 1210 47µF 20% 6.3V X5R

TDK C3225X5R0J476MT    

8

4

COUT2, COUT3, COUT5, COUT6

CAP, 7343 330µF 20% 2.5V POSCAP

SANYO 2R5TPE330M9

9

2

D2, D1

DIODE, CMDSH-3 SOD323

CENTRAL CMDSH-3TR

10

2

L1, L2

IND, 0.56µH

TOKO FDU0650-R56M=P3

11

2

Q1, Q3

XSTR, N-CHANNEL MOSFET

RENESAS RJK0305DPB

12

2

Q2, Q4

XSTR, N-CHANNEL MOSFET

RENESAS RJK0330DPB

13

1

R10

RES, 0603 3.16k 1% 1/10W

VISHAY CRCW06033K16FKEA

14

1

R18

RES, 0603 2.2Ω 5% 1/10W

VISHAY CRCW06032R20JNEA

15

1

R27

RES, 0603 30.1k 1% 1/10W

VISHAY CRCW060330K1FKEA

16

4

R29, R30, R39, R40

RES, 0603 100Ω 5% 1/10W

VISHAY CRCW0603100RJNEA

17

2

R31,R35

RES, 0603 8.66k 1% 1/10W

VISHAY CRCW06038K66FKEA

18

2

R32,R33

RES, 0603 20k 1% 1/10W

VISHAY CRCW060320KFKEA

19

1

R43

RES, 0603 25.5k 1% 1/10W

VISHAY CRCW060325K5FKEA

20

1

R46

RES, 0603 100k 5% 1/10W

VISHAY CRCW0603100KJNEB

21

2

R7, R4 

RES, 0603 10k 1% 1/16W

VISHAY CRCW060310K0FKEB

22

3

R8, R9, R25

RES, 0603 0Ω JUMPER

PANASONIC ERJ3GEY0R00V

23

2

RS2, RS1

RES, 2010 0.003Ω 5% 1/2W

VISHAY WSL20103L000FEA

24

1

U1

IC, LTC3850EUF

LINEAR TECH. LTC3850EUF

Additional Circuit Components

1

0

CIN5, CIN4

CAP, 1210 OPTION

OPTION

2

0

C1, C37, C38, C47, C48, C49

CAP, 0603 OPTION

OPTION

3

1

C50

CAP, 0603 1µF 20% 16V X7R

AVX 0603YC105MAT2A

4

0

D4, D3

DIODE, SCHOTTKY 40V 3A OPTION

OPTION

5

0

Q5, Q6, Q7, Q8

DO NOT STUFF

OPTION

6

3

R1, R3, R36

RES, 0603 0Ω JUMPER

PANASONIC ERJ3GEY0R00V

7

0

R2, R26, R28, R34, R37, R38, R41, R42, 

R44, R45, R47, R49, R50-R53, R55, 

R60-R62

RES, 0603 OPTION

OPTION

Hardware

1

12

E1-E6, E9-E14

TURRET

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

2

2

JP2, JP1

HEADER, 3-PIN, 2mm

SAMTEC TMM-103-02-L-S

3

1

JP3

HEADER, 4-PIN

SAMTEC TMM-104-02-L-S

4

6

J1, J2, J3, J4, J5, J6

JACK, BANANA

KEYSTONE 575-4

5

3

JP1-JP3

SHUNT, 2mm

SAMTEC 2SN-BK-G

(DC1185B-A)

Summary of Contents for DC1185B-A

Page 1: ...y of their respective owners Note Q1 Q4 MOSFETs changed on September 10 2013 See Schematic Diagram PERFORMANCE SUMMARY Themainfeaturesoftheboardincludeaninternal5Vlinear regulator for bias RUN pins fo...

Page 2: ...s in the following positions JP1 RUN1 ON JP2 RUN2 ON JP3 MODE CCM With power off connect the input power supply to VIN and GND Turn on the power at the input Note Makesurethattheinputvoltagedoesnotexc...

Page 3: ...ard Use a piece of heavy copper foil 2 Tie ITH1 to ITH2 by stuffing 0 at R49 3 Tie VFB1 to VFB2 by stuffing 0 at R50 4 Tie TRK SS1 to TRK SS2 by stuffing 0 at R52 5 Tie RUN1 to RUN2 by stuffing 0 at R...

Page 4: ...to allow VOUT2 to track an external signal Tables 2 and 3 cover the rail tracking options for each rail with the DC3850B B version used as an example Table 1 VOUT1 Tracking Options for a 1 5V Output...

Page 5: ...loating R42 R44 Open Table 3 VOUT1 Configured as a 2 0V 10A Converter Using DCR Sensing and Discrete Sense Resistors RSENSE FILTER RESISTORS SENSE FIILTER CAPACITOR DCR FILTER DIVIDER RESISTORS SENSE1...

Page 6: ...heexternal clock signal needs to be applied to the LTC3850 s MODE pin which is tied to the turret labeled SYNC The internal phase lock loop is stabilized by a network on the FREQ pin of the LTC3850 To...

Page 7: ...HAY CRCW060330K1FKEA 16 4 R29 R30 R39 R40 RES 0603 100 5 1 10W VISHAY CRCW0603100RJNEA 17 2 R31 R35 RES 0603 8 66k 1 1 10W VISHAY CRCW06038K66FKEA 18 2 R32 R33 RES 0603 20k 1 1 10W VISHAY CRCW060320KF...

Page 8: ...7K8FKEA 16 4 R29 R30 R39 R40 RES 0603 100 5 1 10W VISHAY CRCW0603100RJNEA 17 2 R31 R35 RES 0603 5 9k 1 1 10W VISHAY CRCW06035K90FKEA 18 2 R32 R33 RES 0603 20k 1 1 10W VISHAY CRCW060320KFKEA 19 1 R43 R...

Page 9: ...ponsibility to verify proper and reliable operation in the actual application Component substitution and printed circuit board layout may significantly affect circuit performance or reliability Contac...

Page 10: ...NCLUDING 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...

Page 11: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Analog Devices Inc DC1185B A DC1185B B...

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