Datasheet LTM4604A (Analog Devices) - 5

LTM4604A
Typical perForMance characTerisTics 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) 4604A G01 4604A G02 4604A 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 2.5 I I V LOAD LOAD OUT = 1.2V 2A/DIV 2A/DIV VOUT = 0.8V VOUT (V) 2.0 VOUT 20mV/DIV 20mV/DIV V OUT 1.5 1.0 VIN = 5V 20µs/DIV 4604A G06 VIN = 5V 20µs/DIV 4604A G05 VOUT = 1.5V 0.5 VOUT = 1.2V COUT = 4 × 22µF, 6.3V CERAMICS COUT = 4 × 22µF, 6.3V CERAMICS IOUT = 0A TO 2A 0 IOUT = 0A TO 2A 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 VIN (V) 4604A 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 4604A G07 VIN = 5V 20µs/DIV 4604A G08 VIN = 5V 20µs/DIV 4604A G09 VOUT = 1.8V VOUT = 2.5V VOUT = 3.3V COUT = 3 × 22µF, 6.3V CERAMICS COUT = 3 × 22µF, 6.3V CERAMICS COUT = 2 × 22µF, 6.3V CERAMICS IOUT = 0A TO 2A IOUT = 0A TO 2A IOUT = 0A TO 2A 4604afc For more information www.linear.com/LTM4604A 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 Package Photograph Related Parts