LT3973-5 - Step-Down Regulator

This page provides the datasheet information for the LT3973-5, a member of the LT3973 Step-Down Regulator family.

Product Overview

Linear

Datasheet Details

Part number	LT3973-5
Manufacturer	Linear
File Size	498.06 KB
Description	Step-Down Regulator
Datasheet	LT3973-5 Datasheet
Additional preview pages of the LT3973-5 datasheet.

LT3973-5 Product details

Description

The LT®3973 is an adjustable frequency monolithic buck switching regulator that accepts a wide input voltage range up to 42V, and consumes only 2.5µA of quiescent current.

Features

nn Ultralow Quiescent Current nn 2.5µA IQ at 12VIN to 3.3VOUT nn Low Ripple Burst Mode® Operation nn Output Ripple < 10mVP-P nn Wide Input Voltage Range: 4.2V to 42V Operating nn Adjustable Switching Frequency: 200kHz to 2.2MHz nn Integrated Boost and Catch Diodes nn 750mA Output Current nn Excellent Start-Up and Dropout Performance nn Fixed Output Voltages: 3.3V, 5V nn 1.9µA IQ at 12VIN nn Accurate Programmable Undervoltage Lockout nn Low Shutdown Current: IQ = 0.75µA nn Internal Catch Diode Cu.

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Published: Apr 19, 2016 |