Texas Instruments REG1117A Linear Controllers
IC REG LINEAR POS ADJ 1A SOT223
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
REG1117A
Detailed Description
IC REG LINEAR POS ADJ 1A SOT223
Package
TO-261-4, TO-261AA
Key Features
Package / Case: TO-261-4, TO-261AA; Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
REG1117A Datasheet
Quick Jump:
Technical Specifications
Texas Instruments REG1117A Linear Controllers 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
Alternate Parts Comparison (REG1117A vs REG1117-3.3G4 vs REG1117-3.3/2K5G4 vs REG1117A-1.8/2K5)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | TO-261-4, TO-261AA | TO-261-4, TO-261AA | TO-261-4, TO-261AA | TO-261-4, TO-261AA |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C |
| Max Input Voltage | 15V | 15V | 15V | 15V |
| Number of Regulators | 1 | 1 | 1 | 1 |
| Output Configuration | Positive | Positive | Positive | Positive |
| Output Current | 1A | 800mA | 800mA | 1A |
| Output Type | Adjustable | Fixed | Fixed | Fixed |
| Output Voltage | 1.25V | 3.3V | 3.3V | 1.8V |
| Protection Features | Over Current, Over Temperature | Over Current, Over Temperature | Over Current, Over Temperature | Over Current, Over Temperature |
| PSRR | 62dB (120Hz) | 62dB (120Hz) | 62dB (120Hz) | 62dB (120Hz) |
| Quiescent Current | 10 mA | 10 mA | 10 mA | 10 mA |
| 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
NCV1117STAT3GonsemiDirectonsemi
Pin YesPkg YesElec Yes
Adj LDO, 1A, 1.25V-18.8V, 1% Acc, SOT-223, 20V In
NCP1117STAT3GonsemiSimilaronsemi
Pin YesPkg YesElec Mixed
LDO Regulator, 1A, Adj Vout, 1.25-18.8V, 1% Acc, SOT-223
More Parts in Voltage Regulators - Linear
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.
