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2576 - 5-AmpAdjustableRegulators

General Description

The LM138 series of adjustable 3-terminal positive voltage regulators is capable of supplying in excess of 5A over a 1.2V to 32V output range.

They are exceptionally easy to use and require only 2 resistors to set the output voltage.

Key Features

  • n n n n n n n Guaranteed 7A peak output current Guaranteed 5A output current Adjustable output down to 1.2V Guaranteed thermal regulation Current limit constant with temperature P+ Product Enhancement tested Output is short-circuit protected.

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Datasheet Details

Part number 2576
Manufacturer NationalSemiconductor
File Size 396.28 KB
Description 5-AmpAdjustableRegulators
Datasheet download datasheet 2576 Datasheet

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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LM138/LM338 5-Amp Adjustable Regulators May 1998 LM138/LM338 5-Amp Adjustable Regulators General Description The LM138 series of adjustable 3-terminal positive voltage regulators is capable of supplying in excess of 5A over a 1.2V to 32V output range. They are exceptionally easy to use and require only 2 resistors to set the output voltage. Careful circuit design has resulted in outstanding load and line regulation — comparable to many commercial power supplies. The LM138 family is supplied in a standard 3-lead transistor package. A unique feature of the LM138 family is time-dependent current limiting. The current limit circuitry allows peak currents of up to 12A to be drawn from the regulator for short periods of time.