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dc2268abfa

DEMO MANUAL DC2268A-B

dc2268ab F06

5V OUTPUT (20MHz BW) [20mV/DIV]

6.5A TO 13A LOAD STEP

Figure 7. Thermal Performance at V

IN

 = 12V, V

OUT1

 = 3.3V/8A, 

V

OUT2

 = 5V/8A, f

SW

 = 750kHz, T

A

 = 23°C, 200LFM Airflow

Quick start proceDure

Figure 6. Measured Channel 2 6.5A to 13A Load Transient (V

IN

 = 12V, V

OUT2

 = 5V)

Summary of Contents for LTM4620A

Page 1: ...le 26A output solution with optional jumper resistors The board allows the user to program how its output ramps up and down through L LT LTC LTM Linear Technology the Linear logo and Burst Mode are re...

Page 2: ...5 Optional LTM4620A can be synchronized to an exter nal clock signal Remove R2 and apply a clock signal 0 5V square wave to MODE PLLIN pin 6 Optional LTM4620A can be configured for a 2 phase single o...

Page 3: ...268A B Table 2 DC2268A Demo Circuit DEMO BOARD NUMBER MODULE REGULATOR ON THE BOARD OUTPUT CURRENT DC2268A A LTM4620 13A 13A DC2268A B LTM4620A 13A 13A DC2268A C LTM4628 8A 8A DC2268A D LTM4630 18A 18...

Page 4: ...fficiency on Channel 2 VOUT2 5V fSW 750kHz Channel 1 Disabled ILOAD A 0 EFFICICENCY 100 95 90 85 80 75 8 4 12 dc2268ab F03 13 6 2 10 7 3 11 5 1 9 VIN 12V fSW 750kHz 89 1 75 2 84 6 87 5 90 4 91 1 91 8...

Page 5: ...6 5V OUTPUT 20MHz BW 20mV DIV 6 5A TO 13A LOAD STEP Figure 7 Thermal Performance at VIN 12V VOUT1 3 3V 8A VOUT2 5V 8A fSW 750kHz TA 23 C 200LFM Airflow Quick Start Procedure Figure 6 Measured Channel...

Page 6: ...ND 1 0 H COILCCRAFT XAL5030 102MEC 11 2 R2 R22 RES 0603 0 JUMPER VISHAY CRCW06030000Z0EA 12 3 R3 R5 R14 RES 0603 100 5 0 1W VISHAY CRCW0603100RJNEA 13 1 R4 RES 0603 121k 1 0 1W VISHAY CRCW0603121KFKEA...

Page 7: ...1630 McCarthy Blvd LTC CONFIDENTIAL FOR CUSTOMER USE ONLY CUSTOMER NOTICE LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER SUPPLIED SPECIFICATIONS HOWEVER IT REMAINS TH...

Page 8: ...INCLUDING 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...

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