LM2577, LM2 - SIMPLE SWITCHER Step-Up Voltage Regulator

National Semiconductor

LM2577 Datasheet Preview — This datasheet PDF includes multiple part numbers: LM2577, LM2. Please refer to the document for exact specifications by model.

Datasheet Details

Part number	LM2577, LM2
Manufacturer	National Semiconductor ↗
File Size	889.65 KB
Description	SIMPLE SWITCHER Step-Up Voltage Regulator
Datasheet	LM2-577.pdf
Note	This datasheet PDF includes multiple part numbers: LM2577, LM2. Please refer to the document for exact specifications by model.

LM2577 Product details

Description

The LM1577/LM2577 are monolithic integrated circuits that provide all of the power and control functions for step-up (boost), flyback, and forward converter switching regulators.

Features

include a 52 kHz fixed-frequency oscillator that requires no external components, a soft start mode to reduce in-rush current during start-up, and current mode control for improved rejection of input voltage and output load transients. Features Requires few external components NPN output switches 3.0A, can stand off 65V Wide input voltage range: 3.5V to 40V Current-mode operation for improved transient response, line regulation, and current limit n 52 kHz internal oscillator n Soft-start functi.

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Published: Mar 22, 2005 |