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dc2268aif

DEMO MANUAL DC2268A-I

PARTS LIST

ITEM

QTY

REFERENCE

PART DESCRIPTION

MANUFACTURER/PART NUMBER

Required Circuit Components

1

6

CIN1, CIN2, CIN3, CIN4, CIN5, CIN6

CAP, 1210 22µF 10% 25V X5R

AVX 12103D226KAT2A

2

2

CO1, CO5

CAP, 7343 470µF 20% 6.3V POSCAP

PANASONIC 6TPF470MAH

3

4

CO2, CO3, CO4, CO6

CAP, 1210 100µF 10% 6.3V X5R

AVX 12106D107KAT2A

4

1

C6

CAP, 0603 4.7µF 20% 6.3V X5R

AVX 06036D475MAT2A

5

2

C7, C15

CAP, 0603 68pF 5% 50V C0G / NP0

AVX  06035A680JAT2A

6

2

C8, C14

CAP, 0603 0.1µF 10% 25V X7R

AVX 06033C104KAT2A

7

2

C5, C12

CAP, 0603 2200pF 5% 16V C0G

AVX 0603YC222JAT2A

8

2

C16, C17

CAP, 0603 10µF 20% 25V X5R

TDK C1608X5R1E106M080AC

9

2

C18, C20

CAP, 0603 22µF 20% 6.3V X5R

TDK C1608X5R0J226M080AC

10

1

L1

IND, 1.0µH

COILCCRAFT XAL5030-102MEC

11

2

R2, R22

RES, 0603 0Ω JUMPER

VISHAY CRCW06030000Z0EA

12

3

R3, R5, R14

RES, 0603 100Ω 5% 0.1W

VISHAY CRCW0603100RJNEA

13

1

R4

RES, 0603 121k 1% 0.1W

VISHAY CRCW0603121KFKEA

14

2

R6, R17

RES, 0603 10k 5% 0.1W

VISHAY CRCW060310K0JNEA

15

1

R7

RES, 0603 13.3k 1% 0.1W

VISHAY CRCW060313K3FKEA

16

1

R9

RES, 0603 0Ω

VISHAY CRCW06030000Z0EA

17

2

R10, R16

RES, 0603 5k 1% 0.1W

VISHAY CRCW0605K00FKEA

18

1

R15

RES, 0603 143k 1% 0.1W

VISHAY CRCW0603143KFKEA

19

1

R18

RES, 0603 40.2k 1% 0.1W

VISHAY CRCW060340K2FKEA

20

3

R24, R25, R30

RES, 0603 10Ω 5% 0.1W

VISHAY CRCW060310R0JNEA

21

1

U1

IC, VOLTAGE REGULATOR LGA

LINEAR TECH. LTM4650AEV-1#PBF

Additional Demo Board Circuit Components

1

0

C1, C2, C3, C4, C9, C10, C11, C13

CAP, 0603 OPTION

OPTION

2

0

R1, R8, R11, R12, R13, R19, R20, R21, 

R23, R26, R27, R28, R29

RES, 0603 OPTION

OPTION

3

0

R31, R32

RES, 2512 OPTION

OPTION

Hardware: For Demo Board Only

1

1

J1

CONN., CARD EDGE 1.6mm

SAMTEC MEC2-20-01-L-DV--TR

Содержание DC2268A-1

Страница 1: ...a single 50A output solution with optional jumper resistors The board allows the user to program how its output ramps up and down L LT LTC LTM Linear Technology the Linear logo µModule and Burst Mode are registered trademarks of Analog Devices Inc All other trademarks are the property of their respective owners BOARD PHOTO through the TRACK SS pin Remote output voltage sens ing is available for im...

Страница 2: ...k signal 0V 5V square wave to MODE PLLIN pin 6 Optional LTM4650A 1 can be configured for a 2 phase single output at up to 36A on DC2268A I Install 0Ω resistors on R26 R27 R28 R29 R32 and remove R14 R18 R30 Output voltage is set by R7 based on equation VOUT 0 6V 1 60 4k R7 PERFORMANCE SUMMARY Table 1 PARAMETER CONDITIONS VALUE Input Voltage Range 4 5V 16V Output Voltage VOUT1 VIN 4 5 16V IOUT1 0A 2...

Страница 3: ...annel 1 VOUT1 3 3V fSW 600kHz Channel 2 Disabled Figure 4 Measured Efficiency on Channel 2 VOUT2 1 5V fSW 600kHz Channel 1 Disabled IO LOAD CURRENT 0 60 EFFICIENCY 65 70 75 80 85 90 100 95 5 10 15 20 25 2268ai F03 VIN 12V VIN 5V IO LOAD CURRENT 0 60 EFFICIENCY 65 70 75 80 85 90 100 95 5 10 15 20 25 2268ai F04 VIN 12V VIN 5V ...

Страница 4: ...Figure 5 Measured Channel 1 12 5A to 18 75A Load Transient VIN 12V VOUT1 3 3V Figure 6 Measured Channel 12 5A to 18 75A Load Transient VIN 12V VOUT2 1 5V 3 3VOUT 20MHz BW 100mV DIV 12 5A to 18 75A LOAD STEP 1 5VOUT 20MHz BW 50mV DIV 12 5A to 18 75A LOAD STEP ...

Страница 5: ...I QUICK START PROCEDURE Figure 7 Thermal Performance at VIN 12V VOUT1 3 3V 11A VOUT2 1 5V 11A fSW 600kHz TA 23 C No Forced Airflow Figure 8 Thermal Performance at VIN 12V VOUT1 3 3V 19A VOUT2 1 5V 19A fSW 600kHz TA 23 C 400LFM Airflow ...

Страница 6: ...T XAL5030 102MEC 11 2 R2 R22 RES 0603 0Ω JUMPER VISHAY CRCW06030000Z0EA 12 3 R3 R5 R14 RES 0603 100Ω 5 0 1W VISHAY CRCW0603100RJNEA 13 1 R4 RES 0603 121k 1 0 1W VISHAY CRCW0603121KFKEA 14 2 R6 R17 RES 0603 10k 5 0 1W VISHAY CRCW060310K0JNEA 15 1 R7 RES 0603 13 3k 1 0 1W VISHAY CRCW060313K3FKEA 16 1 R9 RES 0603 0Ω VISHAY CRCW06030000Z0EA 17 2 R10 R16 RES 0603 5k 1 0 1W VISHAY CRCW0605K00FKEA 18 1 R...

Страница 7: ...e 23 2017 1 1 HIGH EFFICIENCY STEP DOWN MODULE N A LTM4620 LTM4620A LTM4628 Simon T REGULATOR C PROJECTS LTM4650A 1 DC2268A I DC2268A 4_20170623 DSN LTM4630 LTM4630 1 LTM4631 SIZE DATE IC NO REV SHEET OF TITLE APPROVALS PCB DES APP 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 MAD...

Страница 8: ... 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 the goods Due to the open construction of the product i...

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