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LM2587 Datasheet Simple Switcher 5a Flyback Regulator

Manufacturer: National Semiconductor (now Texas Instruments)

Overview: LM2587 SIMPLE SWITCHER 5A Flyback Regulator April 1998 LM2587 SIMPLE SWITCHER ® 5A Flyback.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The LM2587 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.

Key Features

  • include soft start mode to reduce in-rush current during start up, current mode control for improved rejection of input voltage and output load transients and cycle-by-cycle current limiting. An output voltage tolerance of ± 4%, within specified input voltages and output load conditions, is guaranteed for the power supply system. Features n n n n n n n n n Requires few external components Family of standard inductors and transformers NPN output switches 5.0A, can stand off 65V Wide input voltag.

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