LMR23625CFPDRRT.pdf

Description

The LMR23625 SIMPLE SWITCHER® is an easy-touse 36-V, 2.5-A synchronous step-down regulator.

With a wide input range from 4 V to 36 V, the

device is suitable for various industrial application

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.

The device has an option for fixed-frequency FPWM

mode to achieve small output-voltage ripple at light

load. An extended family for HSOIC is available in

1-A (LMR23610) and 3-A (LMR23630) load current

options in pin-to-pin compatible packages which

allows 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.