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Texas Instruments REG1117A/2K5 Microcontrollers

1A LDO, Adj Output, 15V In, SOT-223

6,000 ActiveTexas InstrumentsREG1117ATO-261-4, TO-261AA$2.43
REG1117A/2K5 TO-261-4, TO-261AA package illustration

Same model may have multiple batches, images only for reference.

REG1117A/2K5
Manufacturer
Part Number (MPN)
REG1117A/2K5
Base Model
Detailed Description
1A LDO, Adj Output, 15V In, SOT-223
Package
TO-261-4, TO-261AA
Lifecycle Status
Active
Datasheet
PDF REG1117A/2K5 Datasheet
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Ordering Code Family

REG1117A groups multiple orderable suffixes under one base device. Compare package, grade, and reel options on the base-number page before substituting within the family.

3 ordering variants listed on the family page.

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Technical Specifications

Texas Instruments REG1117A/2K5 Microcontrollers technical specifications.

General

Series
REG1117A
RoHS
Yes
Package / Case
TO-261-4, TO-261AA
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 125°C
Lifecycle Status
Active
Output Type
Adjustable
Max Input Voltage
15V
Output Current
1A
Quiescent Current
10 mA

Related Parts Comparison (REG1117A/2K5 vs REG1117A-2.5 vs REG1117A-1.8/2K5 vs REG1117A-1.8)

Side-by-side specifications of related catalog parts.

Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.

This PartRelated PartRelated PartRelated Part
SeriesREG1117AREG1117AREG1117A-18REG1117A
Package / CaseTO-261-4, TO-261AATO-261-4, TO-261AATO-261-4, TO-261AATO-261-4, TO-261AA
Mounting TypeSurface MountSurface MountSurface MountSurface Mount
Operating Temperature-40°C ~ 125°C-40°C ~ 125°C-40°C ~ 125°C-40°C ~ 125°C
RoHSYesNoYesYes
Lifecycle StatusActiveActiveActiveActive
Ib Input Bias Current4 mA4 mA4 mA4 mA
Line Regulation0.4 % / V7 mV / V7 mV / V7 mV / V
Load Regulation0.4 %10 mV10 mV10 mV
Max Input Voltage15V15V15V15V
Number of Outputs1111
Number of Regulators1111
Action

Cross Reference

Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .

Suggested replacements

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