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Updated at 01/11/2025 10:30:15(UTC+8)

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Description

DESCRIPTION
The LM138/LM238/LM338 are adjustable 3-terminal positive voltage regulators 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.
.GUARANTEED 7A PEAK OUTPUT CURRENT
.GUARANTEED 5A OUTPUT CURRENT
.ADJUSTABLE OUTPUT DOWN TO 1.2V
.LINE REGULATION TYPICALLY 0.005% /V
.LOAD REGULATION TYPICALLY 0.1%
.GUARANTEED THERMAL REGULATION
.CURRENT LIMIT CONSTANT WITH TEMPERATURE
.STANDARD 3-LEAD TRANSISTOR PACKAGE

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LM138K Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Through Hole
Number of Pins	3 Pin
Case/Package	TO-204
Number of Outputs	1 Output
Output Voltage	1.2V ~ 32V
Output Current	5 A
Output Current (Max)	5 A
Operating Temperature (Max)	150 ℃
Operating Temperature (Min)	-55 ℃
Power Dissipation (Max)	50000 mW
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Operating Temperature	-55℃ ~ 150℃
Product Lifecycle Status	Not Recommended for New Designs
Packaging	Bag
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
ECCN Code	EAR99

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