Datasheet LTM4601, LTM4601-1 (Analog Devices) - 5

LTM4601/LTM4601-1
Typical perForMance characTerisTics (See Figure 18 for all curves) Efficiency vs Load Current Efficiency vs Load Current Efficiency vs Load Current with 5VIN with 12VIN with 20VIN
100 100 100 95 95 95 90 90 90 85 85 80 85 80 75 80 70 EFFICIENCY (%) 75 75 EFFICIENCY (%) 0.6VOUT EFFICIENCY (%) 0.6VOUT 65 1.2VOUT 1.2VOUT 70 1.2VOUT 1.5VOUT 70 1.5VOUT 1.5VOUT 60 2.5VOUT 2.5VOUT 65 2.5VOUT 55 3.3VOUT 65 3.3VOUT 3.3VOUT 5VOUT 5.0VOUT 60 50 60 0 5 10 15 0 5 10 15 0 5 10 15 LOAD CURRENT (A) LOAD CURRENT (A) LOAD CURRENT (A) 4601 G01 4601 G02 4601 G03
1.2V Transient Response 1.5V Transient Response 1.8V Transient Response
VOUT VOUT VOUT 50mV/DIV 50mV/DIV 50mV/DIV 0A TO 6A 0A TO 6A 0A TO 6A LOAD STEP LOAD STEP LOAD STEP 20µs/DIV 4601 G04 20µs/DIV 4601 G05 20µs/DIV 4601 G06 1.2V AT 6A/µs LOAD STEP 1.5V AT 6A/µs LOAD STEP 1.8V AT 6A/µs LOAD STEP COUT = 3 • 22µF 6.3V CERAMICS COUT = 3 • 22µF 6.3V CERAMICS COUT = 3 • 22µF 6.3V CERAMICS 470µF 4V SANYO POSCAP 470µF 4V SANYO POSCAP 470µF 4V SANYO POSCAP C3 = 100pF C3 = 100pF C3 = 100pF
2.5V Transient Response 3.3V Transient Response
VOUT V 50mV/DIV OUT 50mV/DIV 0A TO 6A 0A TO 6A LOAD STEP LOAD STEP 20µs/DIV 4601 G07 20µs/DIV 4601 G08 2.5V AT 6A/µs LOAD STEP 3.3V AT 6A/µs LOAD STEP COUT = 3 • 22µF 6.3V CERAMICS COUT = 3 • 22µF 6.3V CERAMICS 470µF 4V SANYO POSCAP 470µF 4V SANYO POSCAP C3 = 100pF C3 = 100pF 4601fe For more information www.linear.com/LTM4601 5 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Simplified Block Diagram Decoupling Requirements Operation Applications Information Typical Applications Package Description Revision History Package Photo Related Parts