LTM8003 is a step-down DC/DC µModule (micro-module) regulator with a 40V input voltage rating (42V abs. Max.) and 3.5A of continuous (6A peak) output current. The LTM8003’s pinout is FMEA (failure mode effects analysis) compliant, so the output voltage stays at or below the regulation voltage in the event of short-circuit to GND, short-circuit to a neighbouring pin or if a pin is left floating.
The maximum junction temperature of the H-grade version is 150°C, for high temperature or high power automotive and industrial applications. The LTM8003 operates from an input voltage range of 3.4V to 40V and has an adjustable output voltage range of 0.97V to 18V. The switching frequency is adjustable via an external resistor or can be synchronized to an external clock from 200 kHz to 3 MHz. The LTM8003 has four operation modes: Burst Mode operation, pulse skip mode, pulse skip mode with spread spectrum and external synch mode. The quiescent current in Burst Mode operation is 25 µA (max), suiting the LTM8003 for battery operated systems, specifically “keep alive” systems.
LTM8003 – 40VIN, 3.5A Step-Down μModule Regulator – [Link]
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