LM25574 Datasheet Step-Down Switching Regulator

Manufacturer: National Semiconductor (now Texas Instruments)

LM25574 step-down switching regulator by National Semiconductor (now Texas Instruments) - Datasheet Preview

Datasheet Details

Part number	LM25574
Manufacturer	National Semiconductor (now Texas Instruments)
File Size	431.45 KB
Description	Step-Down Switching Regulator
Datasheet	LM25574 Datasheet

General Description

The LM25574 is an easy to use SIMPLE SWITCHER® buck regulator which allows design engineers to design and optimize a robust power supply using a minimum set of components.

Operating with an input voltage range of 6 - 42V, the LM25574 delivers 0.5A of continuous output current with an integrated 750mΩ N-Channel MOSFET.

The regulator utilizes an Emulated Current Mode architecture which provides inherent line regulation, tight load transient response, and ease of loop compensation without the usual limitation of lowduty cycles associated with current mode regulators.

Overview

www.DataSheet4U.com LM25574 42V, 0.5A Step-Down Switching Regulator January 2007 LM25574 42V, 0.

Key Features

Integrated 42V, 750mΩ N-channel MOSFET Ultra-wide input voltage range from 6V to 42V Adjustable output voltage as low as 1.225V 1.5% feedback reference accuracy Operating frequency adjustable between 50kHz and 1MHz with single resistor Master or slave frequency synchronization Adjustable soft-start Emulated current mode control architecture Wide bandwidth error amplifier Built-in protection Package.
TSSOP-16 Simplified Applicatio.

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