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LM338

National Semiconductor
Part Number LM338
Manufacturer National Semiconductor
Description 5-Amp Adjustable Regulators
Published Dec 7, 2017
Detailed Description LM138/LM338 5-Amp Adjustable Regulators May 1998 LM138/LM338 5-Amp Adjustable Regulators General Description The LM13...
Datasheet PDF File LM338 PDF File

LM338
LM338

Overview
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.
This allows the LM138 to be used with heavy transient loads and speeds start-up under full-load conditions.
Under sustained loading conditions, the current limit decreases to a safe value protecting the regulator.
Also included on the chip are thermal overload prot...


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