Texas Instruments REG1117FA-1.8KTTT Microcontrollers
1.8V 1A LDO Linear Voltage Regulator, TO-263, 1% Acc
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
REG1117FA-1.8KTTT
Base Model
Detailed Description
1.8V 1A LDO Linear Voltage Regulator, TO-263, 1% Acc
Package
TO-263-4, D²Pak (3 Leads + Tab), TO-263AA
Lifecycle Status
Active
Datasheet
REG1117FA-1.8KTTT Datasheet
Quick Jump:
Technical Specifications
Texas Instruments REG1117FA-1.8KTTT Microcontrollers technical specifications.
General
Series
REG1117A-18
RoHS
Yes
Package / Case
TO-263-4, D²Pak
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 125°C
Lifecycle Status
Active
Output Type
Fixed
Max Input Voltage
15V
Output Current
1A
Quiescent Current
10 mA
Related Parts Comparison (REG1117FA-1.8KTTT vs REG1117FA/500 vs REG1117FA-5.0KTTT vs REG1117FA-2.5/500)
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 Part | Related Part | Related Part | Related Part | |
|---|---|---|---|---|
| Package / Case | TO-263-4, D²Pak | TO-263-4, D²Pak | TO-263-4, D²Pak | TO-263-4, D²Pak |
| 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 |
| RoHS | Yes | Yes | Yes | Yes |
| Lifecycle Status | Active | Active | Obsolete | Active |
| 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 | Fixed | Fixed |
| Output Voltage | 1.8V | 1.25V | 5V | 2.5V |
| Package | D2PAK-3 (TO-263-3) | D2PAK-3 (TO-263-3) | DDPAK-4 | TO-263-3 |
| 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
NCV1117ST18T3GonsemiDirectonsemi
Pin YesPkg YesElec Yes
Linear Voltage Regulator IC Positive Fixed 1 Output 1A SOT-223
More Parts in Microcontrollers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.
REG1117FA-2.5/500Texas Instruments1-A, 15-V, linear voltage regulator from -40°C to +125°C 3-DDPAK/TO-263 -40 to 125
REG1117FA-5.0/500Texas Instruments1-A, 15-V, linear voltage regulator from -40°C to +125°C 3-DDPAK/TO-263 -40 to 125
REG1117FA/500Texas Instruments1-A, 15-V, linear voltage regulator from -40°C to +125°C 3-DDPAK/TO-263 -40 to 125