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LM2586 - SIMPLE SWITCHER 3A Flyback Regulator

This page provides the datasheet information for the LM2586, a member of the LM2 SIMPLE SWITCHER 3A Flyback Regulator family.

Datasheet Summary

Description

The LM2586 series of regulators are monolithic integrated circuits specifically designed for flyback, step-up (boost), and forward converter applications.

The device is available in 4 different output voltage versions: 3.3V, 5.0V, 12V, and adjustable.

Features

  • include 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 and cycle-by-cycle current limiting. The device also has a shutdown pin, so that it can be turned off externally. An output voltage tolerance of ± 4%, within specified input voltages and output load conditions, is guaranteed for the power supply system. Features Requires few external components Family of standard inductors and transformer.

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Datasheet preview – LM2586

Datasheet Details

Part number LM2586
Manufacturer National Semiconductor
File Size 778.88 KB
Description SIMPLE SWITCHER 3A Flyback Regulator
Datasheet download datasheet LM2586 Datasheet
Additional preview pages of the LM2586 datasheet.

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Full PDF Text Transcription

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LM2586 SIMPLE SWITCHER 3A Flyback Regulator with Shutdown May 1996 LM2586 SIMPLE SWITCHER ® 3A Flyback Regulator with Shutdown General Description The LM2586 series of regulators are monolithic integrated circuits specifically designed for flyback, step-up (boost), and forward converter applications. The device is available in 4 different output voltage versions: 3.3V, 5.0V, 12V, and adjustable. Requiring a minimum number of external components, these regulators are cost effective, and simple to use. Included in the datasheet are typical circuits of boost and flyback regulators. Also listed are selector guides for diodes and capacitors and a family of standard inductors and flyback transformers designed to work with these switching regulators. The power switch is a 3.
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