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dc2641af

DEMO MANUAL DC2641A

PARTS LIST

ITEM

QTY REFERENCE

PART DESCRIPTION

MANUFACTURER/PART NUMBER

Required Circuit Components

1

1

CIN1

CAP., 100µF, ELECT,  200V, 20%, 16

×

20mm, THT, NRB-XS Series

NIC NRB-XS101M200V16x20TBF

2

5

CIN3, CIN4, CIN8, C14, 

C15

CAP., 2.2µF, X7R, 100V, 10%, 1812

TDK, C4532X7R2A225K230KA

3

3

CIN2, CIN6, CIN7

CAP, 1µF, X7R, 10V, 10%, 0805

AVX 0805ZC105KAT2A

4

1

COUT1

CAP, 22µF, X7R, 16V, 10%, 1210

TDK, C3225X7R1C226K250AC

5

2

COUT2, COUT3

CAP., 150µF, TANT, 16V, 20%, 7343, D-CASE

AVX TPSD157M016R0125

6

3

C2, C4, C13

CAP, 0.1µF, X7R, 25V, 10%, 0603

AVX, 06033C104KAT2A

7

1

C3

CAP, 1000pF, X7R, 50V, 10%, 0603

AVX 06035C102KAT2A

8

1

C6

CAP, 4700pF, X7R, 50V, 10%, 0603

AVX 06035C472KAT2A

9

1

C7

CAP,  1µF, X7R, 16V, 20%, 0603

TDK, C1608X7R1C105M080AC

10

1

C9

CAP, 10pF, X7R, 50V, 10%, 0603

AVX 06035C100KAT2A

11

1

C10

CAP., 100pF, C0G, 50V, 5%, 0603

AVX 06035A101JAT2A

12

1

C11

CAP, 0.1µF, X7R, 100V, 10%, 1206

AVX 12061C104KAT2A

13

1

C12

CAP, 4.7µF, X5R, 16V, 20%, 0603

TDK C1608X5R1C475M080AC

14

1

L1

IND., 33µH, PWR, 15%, 12A, 11.4mΩ, 2013

WURTH ELEKTRONIK 7443633300

15

1

L2

IND., 470µH, PWR, 10%, 0.72A, 886mΩ, 10.0

×

10.2

×

4.8mm, 

MSS1048T Series, AEC-Q200

COILCRAFT MSS1048T-474KLB

16

2

Q2, Q3

XSTR., PWR MOSFET, N-CH, 120V, 44A, PG-TDSON-8, SuperSO8

INFINEON BSC190N12NS3 G

17

1

Q4

XSTR., PWR MOSFET, N-CH, 120V, 98A, PG-TDSON-8, SuperSO8

INFINEON BSC077N12NS3 G

18

1

RS1

RES, 0.006Ω, 1%, 2W, 2512, HIGH PWR, SENSE, AEC-Q200

VISHAY WSL25126L000FEA18

19

1

R6

RES., 301kΩ, 1%, 1/10W, 0603

VISHAY CRCW0603301KFKEA

20

1

R9

RES., 10MΩ, 5%, 1/8W, 0805, AEC-Q200

VISHAY CRCW080510M0JNEA

21

1

R12

RES., 2.2Ω, 5%, 1/8W, 0805, AEC-Q200

VISHAY CRCW08052R20JNEA

22

2

R13, R14

RES., 10kΩ, 5%, 1/10W, 0603, AEC-Q200

VISHAY CRCW060310K0JNEA

23

1

R15

RES., 140kΩ, 1%, 1/10W, 0603, AEC-Q200

VISHAY CRCW0603140KFKEA

24

3

R16, R17, R23

RES., 100kΩ, 1%, 1/10W, 0603

VISHAY CRCW0603100KFKEA

25

1

R18

RES., 49.9kΩ, 1%, 1/10W, 0603

VISHAY CRCW060349K9FKEA

26

1

R25

RES., 30.1kΩ, 1%, 1/10W, 0603, AEC-Q200

VISHAY CRCW060330K1FKEA

27

1

R26

RES., 80.6kΩ, 1%, 1/10W, 0603

VISHAY CRCW060380K6FKEA

28

2

R30, R36

RES., 10Ω, 1%, 1/10W, 0603

VISHAY CRCW060310R0FKEA

29

1

R31

RES., 2MΩ, 1%, 1/10W, 0603, AEC-Q200

VISHAY CRCW06032M00FKEA

30

1

R32

RES., 267kΩ, 1%, 1/10W, 0603

VISHAY CRCW0603267KFKEA

31

1

R34

RES., 196kΩ, 1%, 1/10W 0603

VISHAY CRCW0603196KFKEA

32

1

U1

IC, HIGH VOLTAGE DC/DC BUCK REG., QFN-24 (4mm

×

5mm)

LINEAR TECH. LTC7801UFD#PBF

33

1

U2

IC, SYNCHRONOUS STEP DOWN REGULATOR, 150V, 100mA, 

MSOP-16

LINEAR TECH LTC3639EMSE#PBF

Содержание DC2641A

Страница 1: ...rst Mode PolyPhase and the Linear logo are registered trademarks of Analog Devices Inc All other trademarks are the property of their respective owners PERFORMANCE SUMMARY clamp or default Burst Mode...

Страница 2: ...cross relevant capacitor See Figure 2 for proper scope probe technique 1 Place jumpers in the following positions JP1 ON JP4 FCM JP5 ON JP8 OFF 2 With power off connect the input power supply to VIN a...

Страница 3: ...DC2641A QUICK START PROCEDURE Figure 1 Proper Measurement Equipment Setup IIN IOUT VIN SUPPLY LOAD DC2641A F01 VOUT GND COUT Figure 2 Measuring Input or Output Ripple Across Terminals or Directly Acr...

Страница 4: ...nables boost refresh allowing for 99 duty cycle operation in dropout OPTIONAL INDUCTOR DCR CURRENT SENSING Demonstration circuit 2641A provides an optional circuit for Inductor DCR Current Sensing Ind...

Страница 5: ...on board BIAS supply output voltage is 12V Alternatively EXTVCC can also be powered by an external power supply 1 Leave the JP7 OPEN 2 Keep the JP8 at the OFF position 3 Apply a DC voltage 14V between...

Страница 6: ...1af DEMO MANUAL DC2641A EXTVCC BIAS SUPPLY Figure 4 DC2641A VOUT 0 2 5A Load Transient at VIN 48V Figure 5 Thermal Image VIN 48V VO 12V at 10A No Air Flow TA 25 C 20MHz BW 100mV DIV DC2641 F04 50 s DI...

Страница 7: ...MSS1048T Series AEC Q200 COILCRAFT MSS1048T 474KLB 16 2 Q2 Q3 XSTR PWR MOSFET N CH 120V 44A PG TDSON 8 SuperSO8 INFINEON BSC190N12NS3 G 17 1 Q4 XSTR PWR MOSFET N CH 120V 98A PG TDSON 8 SuperSO8 INFIN...

Страница 8: ...10 0 R1 OPT RES OPTION 0805 OPTION 11 8 R2 R8 R22 R24 R27 R28 R29 R35 RES 0 1 10W 0603 VISHAY CRCW06030000Z0EA 12 0 R7 R11 R19 R20 R21 R37 R38 R39 R40 OPT RES OPTION 0603 OPTION 13 0 R33 OPT RES OPTIO...

Страница 9: ...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...

Страница 10: ...OR 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 responsibi...

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