Linear ANALOG DEVICES DC2448A-D Demo Manual Download Page 4 | Manualshive

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dc2448adf

DEMO MANUAL

DC2448A-D

Quick start proceDure

Figure 2. Measured Efficiency at V

IN

= 12V, f

SW

= 350kHz, CCM

OUTPUT CURRENT (A)

EFFICIENCY (%)

DC2448AD F02

65

70

75

80

85

90

95

0

160.0

120.0

140.0

100.0

80.0

60.0

40.0

20.0

0.9V

OUT

1.0V

OUT

1.2V

OUT

1.5V

OUT

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Summary of Contents for ANALOG DEVICES DC2448A-D

Page 1: ...essary for certain VIN VOUT and thermal conditions The board operates in continuous conduction mode in heavy load conditions L LT LTC LTM Linear Technology Burst Mode Module PolyPhase and the Linear l...

Page 2: ...ply an adjustablepulsesignalbetweenIOSTEP_CLKandGND test points The pulse amplitude sets the load step cur rent amplitude Keep the pulse width short 1ms and pulse duty cycle low 5 to limit the thermal...

Page 3: ...3 dc2448adf DEMO MANUAL DC2448A D Quick Start Procedure Figure 1 Measurement Setup of DC2448A D DC2448AD F01 LOAD VIN...

Page 4: ...C2448A D Quick Start Procedure Figure 2 Measured Efficiency at VIN 12V fSW 350kHz CCM OUTPUT CURRENT A EFFICIENCY DC2448AD F02 65 70 75 80 85 90 95 0 160 0 120 0 140 0 100 0 80 0 60 0 40 0 20 0 0 9VOU...

Page 5: ...5 dc2448adf DEMO MANUAL DC2448A D Figure 3 Measured Load Transient VIN 12V VOUT 0 9V ISTEP 0A to 40A 100 s DIV VOUT 50mV DIV IOUT_STEP 20A DIV DC2448AD F03 Quick Start Procedure...

Page 6: ...6 dc2448adf DEMO MANUAL DC2448A D Quick Start Procedure Figure 4 Thermal Capture at VIN 12V VOUT 0 9V 160A TA 25 C 400LFM Airflow and No Heat Sink...

Page 7: ...002V VISHAY CRCW060310K0FKEA 11 1 R20 RES 4 99k 1 1 10W 0603 NIC NRC06F4991TRF VISHAY CRCW06034K99FKEA 12 4 R22 R51 R60 R70 RES 34 8k 1 1 10W 0603 VISHAY CRCW060334K8FKEA YAGEO RC0603FR 0734K8L 13 3 U...

Page 8: ...EA 25 4 R71 R73 R74 R75 RES 66 5k 1 1 10W 0603 NIC NRC06F6652TRF VISHAY CRCW060366K5FKEA YAGEO RC0603FR 0766K5L 26 1 U5 IC HOTSWAP CONTROLLER SSOP 16 LINEAR TECHNOLOGY LTC4218CGN PBF LINEAR TECHNOLOGY...

Page 9: ...ear com 4 DEMO CIRCUIT 2448A Friday March 10 2017 1 5 FOUR PHASE STEP DOWN MODULE N A LTM4636EY LTM4636EY 1 l _ REGULATOR WITH HOTSWAP INPUT SIZE DATE IC NO REV SHEET OF TITLE APPROVALS PCB DES APP EN...

Page 10: ...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 CUSTOMER SUPPLIED SPECIFIC...

Page 11: ...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 CUS...

Page 12: ...TO VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY CONTACT LINEAR TEC...

Page 13: ...E LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER SUPPLIED SPECIFICATIONS HOWEVER IT REMAINS THE CUSTOMER S RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPERATION IN T...

Page 14: ...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 responsib...

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