Texas Instruments REG1117 Microcontrollers
800mA LDO Linear Regulator, 15V In, 1.25V-13.5V Out, 1% Acc, SOT-223
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
REG1117
Base Model
Detailed Description
800mA LDO Linear Regulator, 15V In, 1.25V-13.5V Out, 1% Acc, SOT-223
Package
SOT-223
Lifecycle Status
Production
Datasheet
REG1117 Datasheet
Quick Jump:
Technical Specifications
Texas Instruments REG1117 Microcontrollers technical specifications.
General
RoHS
Yes
Number of Pins
4
Number of Channels
1
Package / Case
SOT-223
Operating Temperature
0 °C ~ 125 °C
Lifecycle Status
Production
Accuracy
1 %
Current Rating
800 mA
Voltage Dropout
1.1 V
Input Bias Current
4 mA
Alternate Parts Comparison (REG1117 vs REG1117/2K5 vs REG1117F-3.3/500 vs REG1117-5G4)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | SOT-223 | TO-261-4, TO-261AA | TO-263-4, D²Pak | TO-261-4, TO-261AA |
| Mounting Type | -- | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | 0 °C ~ 125 °C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C |
| Max Input Voltage | 15 V | 15V | 15V | 15V |
| Number of Regulators | 1 | 1 | 1 | 1 |
| Output Configuration | -- | Positive | Positive | Positive |
| Output Current | 800 mA | 800mA | 800mA | 800mA |
| Output Type | Fixed, Adjustable | Adjustable | Fixed | Fixed |
| Output Voltage | 13.5 V | 1.25V | 3.3V | 5V |
| Protection Features | -- | Over Current, Over Temperature | Over Current, Over Temperature | Over Current, Over Temperature |
| PSRR | -- | 62dB (120Hz) | 62dB (120Hz) | 62dB (120Hz) |
| Quiescent Current | 4 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
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