The LMR23615-Q1 SIMPLE SWITCHER® is an
easy-to-use 36 V, 1.5 A synchronous step-down regulator. With a wide input range from 4 V to 36 V,
the device is suitable for various applications from industrial to automotive for power
conditioning from unregulated sources. Peak-current-mode control is employed to achieve simple
control loop compensation and cycle-by-cycle current limiting. A quiescent current of 75 µA makes
it suitable for battery-powered systems. An ultra-low 2-µA shutdown current can further prolong
battery life. Internal loop compensation means that the user is free from the tedious task of loop
compensation design. This also minimizes the external components.
An extended family is available in 2.5-A (LMR23625-Q1) and 3-A (LMR23630-Q1) load-current
options in pin-to-pin compatible packages allowing simple, optimum PCB layout. A precision enable
input allows simplification of regulator control and system power sequencing. Protection features
include cycle-by-cycle current limit, hiccup-mode short-circuit protection, and thermal shutdown
due to excessive power dissipation.
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