Datasheet LTM4649 (Analog Devices) - 6

LTM4649
TYPICAL PERFORMANCE CHARACTERISTICS 5VIN, 3.3VOUT Load Transient 12VIN, 3.3VOUT Load Transient Soft-Start with No Load
IOUT IOUT 5A/DIV 5A/DIV IIN AC AC 1A/DIV VOUT VOUT V 100mV/DIV 100mV/DIV OUT 0.5V/DIV AC AC VSW 10V/DIV 50µs/DIV 4649 G10 50µs/DIV 4649 G11 20ms/DIV 4649 G12 5VIN, 3.3VOUT, 5A TO 10A LOAD STEP 12VIN, 3.3VOUT, 5A TO 10A LOAD STEP, 750kHz 12VIN, 1.5VOUT COUT = 2 • 220µF 4V CERAMIC CAPACITOR COUT = 2 • 220µF 4V CERAMIC CAPACITOR IO = 0A START-UP NO CFF CAPACITOR NO CFF CAPACITOR CSS = 0.1µF
Short-Circuit Protection Short-Circuit Protection Soft-Start with Full Load with No Load with Full Load
IIN IIN IIN 1A/DIV 1A/DIV 1A/DIV VOUT VOUT VOUT 0.5V/DIV 1V/DIV 0.5V/DIV VSW VSW VSW 10V/DIV 10V/DIV 10V/DIV 20ms/DIV 4649 G13 20µs/DIV 4649 G14 20µs/DIV 4649 G15 12VIN, 1.5VOUT 12VIN, 1.5VOUT 12VIN, 1.5VOUT IO = 10A START-UP SHORT CIRCUIT WITH NO LOAD SHORT CIRCUIT WITH FULL LOAD CSS = 0.1µF COUT = 2 • 220µF 4V CERAMIC CAPACITOR COUT = 2 • 220µF 4V CERAMIC CAPACITOR 4649fc 6 For more information www.linear.com/LTM4649 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Package Photo Revision History Typical Application Design Resources Related Parts