Datasheet LTM4642 (Analog Devices) - 7

LTM4642
Typical perForMance characTerisTics (Refer to Figures 19 and 20) TA = 25°C, unless otherwise noted. Output Ripple, 10mV Typical Shorted Output
PGOOD 5V/DIV VSW2 20V/DIV 1.5VOUT VOUT 10mV/DIV 0.5V/DIV ISHORT 10A/DIV 4642 G19 2µs/DIV 4642 G20 50µs/DIV V 12V TO 1.5V AT 4A IN = 20V V C OUT = 1.5V OUT = 100µF CERAMIC, 47µF CERAMIC fSW = 800kHz
Load Regulation and Current Start-Up, 20V to 1.5V at 4A Limit (No Airflow)
1.8 RUN2 5V/DIV 1.5 VSW2 20V/DIV V 1.2 OUT2 1V/DIV (V) 0.9 DRVCC V OUT INTVCC V 5V/DIV OUT = 1.5V 0.6 f 4642 G21 SW = 1MHz 20ms/DIV MODE = CCM C 4.5V OUT = 100µF CERAMIC, 47µF CERAMIC 0.3 IN C 12V SS = 0.1µF IN 20VIN 0 0 1 2 3 4 5 6 7 LOAD CURRENT (A) 4642 G22 4642fb For more information www.linear.com/LTM4642 7 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Typical Performance Characteristics Pin Functions Simplified Block Diagram Decoupling Requirements Operation Applications Information Typical Applications Package Description Package Photograph Design Resources Related Parts