Linear Technology DC2641A Demo Manual Download Page 8

8

dc2641af

DEMO MANUAL DC2641A

PARTS LIST

ITEM

QTY REFERENCE

PART DESCRIPTION

MANUFACTURER/PART NUMBER

Additional Demo Board Circuit Components

1

0

CIN5 (OPT)

CAP, OPT 1812

OPTION

2

0

COUT4 (OPT)

CAP, OPTION 7343

OPTION

3

0

C1, C5, C8, C16 (OPT)

CAP, OPTION 0603

OPTION

4

0

D1 (OPT)

DIODE, OPTION SOD-123

OPTION

5

0

D2 (OPT)

DIODE, OPTION SOD-323

OPTION

6

0

L4 (OPT)

IND., 22µH, PWR, 10%, 30A, 2.05mΩ, 27.9

×

19.8

×

15.36mm, 

SER2915H Series, AEC-Q200

COILCRAFT SER2915H-223KL OPTION

7

0

Q1, Q6, Q7 (OPT)

XSTR, OPTION TO252-3

OPTION

8

0

Q5 (OPT)

XSTR, OPTION LFPAK

OPTION

9

0

Q12, Q13 (OPT)

XSTR, OPT IN_PG_TS

OPTION

10

0

R1 (OPT)

RES, OPTION 0805

OPTION

11

8

R2, R8, R22, R24, R27, 

R28, R29, R35

RES, 0Ω 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, OPTION 1206

OPTION

Additional

1

10

E1-E10

TEST POINT, TURRET, 0.094", MTG. HOLE

MILL-MAX 2501-2-00-80-00-00-07-0

2

3

JP1, JP2, JP5

CONN., HDR, MALE, 1

×

3, 2mm, THT, STR

WURTH ELEKTRONIK, 62000311121

3

3

JP3, JP6, JP7

CONN., HDR, MALE, 1

×

2, 2mm, THT, STR

WURTH ELEKTRONIK, 62000211121

4

1

JP4

CONN., HDR, MALE, 2

×

4, 2mm, THT, STR

WURTH ELEKTRONIK, 62000821121

5

4

J1, J2, J3, J4

CONN., BANANA JACK, FEMALE, THT, NON-INSULATED, SWAGE

KEYSTONE 575-4

6

7

XJP1, XJP2, XJP3, 

XJP4, XJP5, XJP6, 

XJP7

CONN., SHUNT, FEMALE, 2 POS, 2mm

WURTH ELEKTRONIK, 60800213421

7

4

MH1, MH2, MH3, MH4 STANDOFF, NYLON, SNAP-ON, 0.50"

WURTH ELEKTRONIK, 702935000

Summary of Contents for DC2641A

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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