Datasheet LTM4603HV (Analog Devices) - 5

LTM4603HV
Typical perForMance characTerisTics (See Figure 20 for all curves) Efficiency vs Load Current Efficiency vs Load Current Efficiency vs Load Current with 5VIN with 12VIN with 24VIN
100 100 100 90 90 90 80 80 80 70 70 70 EFFICIENCY (%) 60 5VIN, 0.6VOUT EFFICIENCY (%) 60 12VIN, 1.2VOUT EFFICIENCY (%) 5V 60 IN, 1.2VOUT 12VIN, 1.5VOUT 5VIN, 1.5VOUT 12VIN, 1.8VOUT 24VIN, 1.8VOUT 50 5VIN, 1.8VOUT 50 12VIN, 2.5VOUT 50 24VIN, 2.5VOUT 5VIN, 2.5VOUT 12VIN, 3.3VOUT 24VIN, 3.3VOUT 5VIN, 3.3VOUT 12VIN, 5VOUT 24VIN, 5VOUT 40 40 40 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 LOAD CURRENT (A) LOAD CURRENT (A) LOAD CURRENT (A) 4603HV G01 4603HV G02 4603HV G03
1.2V Transient Response 1.5V Transient Response 1.8V Transient Response
LOAD STEP LOAD STEP LOAD STEP 1A/DIV 1A/DIV 1A/DIV VOUT VOUT VOUT 50mV/DIV 50mV/DIV 50mV/DIV 25µs/DIV 4603HV G04 25µs/DIV 4603HV G05 25µs/DIV 4603HV G06 1.2V AT 3A/µs LOAD STEP 1.5V AT 3A/µs LOAD STEP 1.8V AT 3A/µs LOAD STEP COUT: 1x 22µF, 6.3V CERAMIC COUT: 1x 22µF, 6.3V CERAMIC COUT: 1x 22µF, 6.3V CERAMIC 1x 330µF, 4V SANYO POSCAP 1x 330µF, 4V SANYO POSCAP 1x 330µF, 4V SANYO POSCAP
2.5V Transient Response 3.3V Transient Response
LOAD STEP LOAD STEP 1A/DIV 1A/DIV VOUT VOUT 50mV/DIV 50mV/DIV 25µs/DIV 4603HV G07 25µs/DIV 4603HV G08 2.5V AT 3A/µs LOAD STEP 3.3V AT 3A/µs LOAD STEP COUT: 1x 22µF, 6.3V CERAMIC COUT: 1x 22µF, 6.3V CERAMIC 1x 330µF, 4V SANYO POSCAP 1x 330µF, 4V SANYO POSCAP 4603hvfa For more information www.linear.com/LTM4603HV 5 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Decoupling Requirements Operation Applications Information Typical Applications Package Description Revision History Related Parts