Texas Instruments REG1117A-2.5 LDO Voltage Regulators
1A positive fixed output linear voltage regulator with a 2.5V nominal output voltage and 1% accuracy.
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
REG1117A-2.5
Base Model
Detailed Description
1A positive fixed output linear voltage regulator with a 2.5V nominal output voltage and 1% accuracy. Features a 1.2V dropout voltage, 15V maximum input voltage, and operates from 3.8V to 15V supply. This SOT-223 package component offers a 1A maximum output current and a wide operating temperature range of -40°C to +125°C. Includes 62dB PSRR and 4mA quiescent current.
Package
SOT-223
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
REG1117A-2.5 Datasheet
Quick Jump:
Technical Specifications
Texas Instruments REG1117A-2.5 LDO Voltage Regulators technical specifications.
General
RoHS
No
Number of Channels
1
Packaging
Rail/Tube
Operating Temperature
0°C ~ 125°C
Supply Voltage
3.8V ~ 15V
Accuracy
1%
Package
SOT-223
Current Rating
1A
Voltage Dropout
1.2V
Height
1.6mm
Alternate Parts Comparison (REG1117A-2.5 vs REG1117A vs REG1117A/2K5 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 | |
|---|---|---|---|---|
| Operating Temperature | 0°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 | 1A | 1A | 1A |
| Output Type | Fixed | Adjustable | Adjustable | Fixed |
| Output Voltage | 2.5V | 1.25V | 1.25V | 1.8V |
| PSRR | 62dB | 62dB (120Hz) | 62dB (120Hz) | 62dB (120Hz) |
| Quiescent Current | 4mA | 10 mA | 10 mA | 10 mA |
| Voltage Dropout | 1.2V | 1.55V @ 1A | 1.55V @ 1A | 1.55V @ 1A |
| Package / Case | -- | TO-261-4, TO-261AA | TO-261-4, TO-261AA | TO-261-4, TO-261AA |
| Mounting Type | -- | Surface Mount | Surface Mount | Surface Mount |
| Action |
Texas Instruments REG1117A-2.5 LDO Voltage Regulators Overview
1A positive fixed output linear voltage regulator with a 2.5V nominal output voltage and 1% accuracy. Features a 1.2V dropout voltage, 15V maximum input voltage, and operates from 3.8V to 15V supply. This SOT-223 package component offers a 1A maximum output current and a wide operating temperature range of -40°C to +125°C.
Includes 62dB PSRR and 4mA quiescent current.
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.
