Datasheet LTM4628 (Analog Devices) - 6

LTM4628
TYPICAL PERFORMANCE CHARACTERISTICS 1.5V Load Transient 1.8V Load Transient 2.5V Load Transient
VOUT V 100mV/DIV OUT VOUT 50mV/DIV 50mV/DIV IOUT IOUT IOUT 2A/DIV 2A/DIV 2A/DIV 4628 G07 100µs/DIV 4628 G08 100µs/DIV 4628 G09 100µs/DIV 12VIN, 1.5VOUT, 0A TO 4A LOAD STEP AT 4A/µs 12VIN, 1.8VOUT, 0A TO 4A LOAD STEP AT 4A/µs 12VIN, 2.5VOUT, 0A TO 4A LOAD STEP AT 4A/µs COUT1 4× 100µF 6.3V X5R CERAMIC 1210 CASE SIZE COUT1 4× 100µF 6.3V X5R CERAMIC 1210 CASE SIZE COUT1, 4× 100µF 6.3V X5R CERAMIC 1210 CASE SIZE SWITCHING FREQUENCY 500kHz SWITCHING FREQUENCY 500kHz SWITCHING FREQUENCY 500kHz CFF CAPACITOR = 47pF CFF CAPACITOR = 47pF CFF CAPACITOR = 47pF
3.3V Load Transient Output Start-Up Output Start-Up
VOUT 100mV/DIV VOUT VOUT 1V/DIV 1V/DIV 5ms/DIV 5ms/DIV INPUT I INPUT OUT CURRENT 2A/DIV CURRENT 1A/DIV 1A/DIV 4628 G10 100µs/DIV 4628 G11 20ms/DIV 4628 G12 20ms/DIV V V 12V IN = 12V IN = 12V IN, 3.3VOUT, 0A TO 4A LOAD STEP AT 4A/µs V V C OUT = 2.5V OUT = 2.5V OUT1, 4× 100µF 6.3V X5R CERAMIC 1210 CASE SIZE I I SWITCHING FREQUENCY 500kHz OUT = 0A OUT = 8A CFF CAPACITOR = 47pF
Output Short-Circuit Output Short-Circuit Coincident Tracking
VOUT VOUT 1V/DIV 1V/DIV 5ms/DIV 5ms/DIV INPUT INPUT CURRENT CURRENT 2A/DIV 2A/DIV 4628 G13 50µs/DIV 4628 G14 50µs/DIV 4628 G15 V 10ms/DIV IN = 12V VIN = 12V V VOUT1 = 1.8V AT 8A OUT = 2.5V VOUT = 2.5V I VOUT2 = 1.2V AT 8A OUT = 0A IOUT = 8A 4628fe 6 For more information www.linear.com/LTM4628 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Simplified Block Diagram Decoupling Requirements Operation Applications Information Typical Applications Package Description Package Photos Revision History Typical Application Related Parts