Datasheet LTM4615 (Analog Devices) - 5

LTM4615
Typical perForMance characTerisTics Switching Regulators Efficiency vs Output Current Efficiency vs Output Current Efficiency vs Output Current VIN = 2.5V VIN = 3.3V VIN = 5V
100 100 95 95 95 90 90 90 85 85 85 80 80 80 EFFICIENCY (%) EFFICIENCY (%) EFFICIENCY (%) V 75 OUT = 3.3V 75 75 VOUT = 2.5V VOUT = 2.5V VOUT = 1.8V VOUT = 1.8V VOUT = 1.8V V V V 70 OUT = 1.5V OUT = 1.5V 70 OUT = 1.5V V 70 OUT = 1.2V VOUT = 1.2V VOUT = 1.2V VOUT = 0.8V VOUT = 0.8V VOUT = 0.8V 65 65 65 0 1 2 3 4 0 1 2 3 4 0 1 2 3 4 OUTPUT CURRENT (A) OUTPUT CURRENT (A) OUTPUT CURRENT (A) 4615 G01 4615 G02 4615 G03
Minimum Input Voltage at 4A Load Load Transient Response Load Transient Response
3.5 VOUT = 3.3V 3.0 VOUT = 2.5V VOUT = 1.8V VOUT = 1.5V I 2.5 V LOAD ILOAD OUT = 1.2V 2A/DIV 2A/DIV VOUT = 0.8V 2.0 V (V) V OUT OUT 20mV/DIV 20mV/DIV V OUT 1.5 1.0 VIN = 5V 20µs/DIV 4615 G06 VIN = 5V 20µs/DIV 4615 G05 VOUT = 1.5V 0.5 VOUT = 1.2V COUT = 100µF, 6.3V CERAMICS COUT = 100µF, 6.3V CERAMICS 0 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 VIN (V) 4615 G04
Load Transient Response Load Transient Response Load Transient Response
ILOAD ILOAD I 2A/DIV 2A/DIV LOAD 2A/DIV VOUT VOUT VOUT 20mV/DIV 20mV/DIV 20mV/DIV VIN = 5V 20µs/DIV 4615 G07 VIN = 5V 20µs/DIV 4615 G08 VIN = 5V 20µs/DIV 4615 G09 VOUT = 1.8V VOUT = 2.5V VOUT = 3.3V COUT = 100µF, 6.3V CERAMICS COUT = 100µF, 6.3V CERAMICS COUT = 100µF, 6.3V CERAMICS 4615fb For more information www.linear.com/LTM4615 5 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Simplified Block Diagram Decoupling Requirements Operation Applications Information Package Description Revision History Package Photograph Related Parts