Texas Instruments REG1117A-1.8/2K5 Linear Controllers
IC REG LINEAR 1.8V 1A SOT223-4
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
REG1117A-1.8/2K5
Detailed Description
IC REG LINEAR 1.8V 1A SOT223-4
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-1.8/2K5 Datasheet
Quick Jump:
Technical Specifications
Texas Instruments REG1117A-1.8/2K5 Linear Controllers technical specifications.
General
Series
REG1117A-18
RoHS
Yes
Package / Case
TO-261-4, TO-261AA
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 (REG1117A-1.8/2K5 vs REG1117A vs REG1117-3.3G4 vs REG1117-3.3/2K5G4)
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-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 |
| RoHS | Yes | Yes | Yes | Yes |
| Lifecycle Status | Active | Active | Active | 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 | 800mA | 800mA |
| Output Type | Fixed | Adjustable | Fixed | Fixed |
| Output Voltage | 1.8V | 1.25V | 3.3V | 3.3V |
| Package | SOT223-4 | SOT-223-4 | SOT-223-4 | SOT-223-4 |
| 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 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.
