Datasheet LTM4620 (Analog Devices) - 7

LTM4620
TYPICAL PERFORMANCE CHARACTERISTICS Single Phase Single Output Single Phase Single Output Start-Up Start-Up
VOUT VOUT 0.5V/DIV 0.5V/DIV IOUT IOUT 1A/DIV 5A/DIV 2ms/DIV 4620 G10 2ms/DIV 4620 G11 12VIN, 1.5VOUT AT NO LOAD 12VIN, 1.5VOUT AT 10A LOAD COUT = 2× 470µF, 4V SANYO POSCAP, COUT = 2× 470µF, 4V SANYO POSCAP, 1× 100µF, 6.3V CERAMIC 1× 100µF, 6.3V X5R CERAMIC SOFT-START CAPACITOR = 0.01µF SOFT-START CAPACITOR = 0.01µF USE RUN PIN TO CONTROL START-UP USE RUN PIN TO CONTROL START-UP
Current Limit and Current Foldback Load Regulation vs Current
1.8 VIN = 12V VIN = 12V 1.6 V 1.0 OUT = 1.5V VOUT = 1.5V 1.4 0.8 1.2 TAGE (V) 1.0 TION (mV) 0.6 0.8 0.6 0.4 OUTPUT VOL 0.4 LOAD REGULA 0.2 0.2 0 0 0 5 10 15 20 25 0 5 10 15 OUTPUT CURRENT (A) OUTPUT CURRENT (A) 4620 G12 4620 G13
Short-Circuit Protection Short-Circuit Protection
VOUT VOUT 500mV/DIV 500mV/DIV IIN IIN 2A/DIV 2A/DIV 50µs/DIV 4620 G14 50µs/DIV 4620 G15 VIN = 12V VIN = 12V VOUT = 1.5V VOUT = 1.5V IOUT = NO LOAD IOUT = 13A 4620fc For more information www.linear.com/LTM4620 7 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Typical Performance Characteristics Pin Functions Simplified Block Diagram Decoupling Requirements Operation Applications Information Typical Applications Package Description Package Photo Related Parts