REG1117A-2.5In StockTexas Instruments
REG1117A-2.5 is a 2.5V fixed-output 800mA low-dropout linear voltage regulator by Texas Instruments. Key specs: 1.2V dropout voltage, ±1% output accuracy, SOT-223 and TO-263 packages available. From $1.44, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- —
- Lifecycle
- ACTIVE
- Datasheet
- N/A
- Price
- From $1.4400(MOQ 133)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Fixed 2.5V output with ±1% accuracy for precision power rails
- Low 1.2V dropout voltage enables efficient regulation from 3.3V supplies
- 800mA output current supports a wide range of loads
- On-chip thermal shutdown and current limiting for robust protection
- Available in SOT-223 and TO-263 surface-mount packages
Applications
REG1117A-2.5 is widely used in embedded systems and DSP boards where a stable 2.5V supply is required for core logic, memory, or reference circuitry. It suits portable instruments and industrial control equipment that need a compact, reliable low-dropout regulator with minimal external components.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Adjustability | FIXED |
| Dropout Voltage1-Max | 1.55V |
| Dropout Voltage1-Nom | 1.2V |
| Input Voltage Absolute-Max | 15V |
| Input Voltage-Max | 15V |
| Input Voltage-Min | 4.5V |
| JESD-30 Code | R-PDSO-G4 |
| JESD-609 Code | e4 |
| Line Regulation-Max | 0.007% |
| Load Regulation-Max | 0.01% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 125°C |
| Operating Temperature TJ-Min | -40 °C |
| Output Current1-Max | 1A |
| Output Voltage1-Max | 2.55V |
| Output Voltage1-Min | 2.45V |
| Output Voltage1-Nom | 2.5V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOT-223 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TUBE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 2.3mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Voltage Tolerance-Max | 2% |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the output voltage and accuracy of the REG1117A-2.5?
The REG1117A-2.5 provides a fixed 2.5V output with ±1% accuracy over the full operating temperature range, making it suitable for precision analog and digital applications.
What is the maximum output current of the REG1117A-2.5?
The REG1117A-2.5 can supply up to 800mA of continuous output current, supporting a broad range of microcontroller, DSP, and peripheral loads in embedded designs.
What packages are available for the REG1117A-2.5?
The REG1117A-2.5 is available in SOT-223 and TO-263 (D2PAK) surface-mount packages, both of which provide good thermal dissipation for compact PCB layouts.
What is the typical dropout voltage of the REG1117A-2.5?
The typical dropout voltage is 1.2V at 800mA load. This allows the REG1117A-2.5 to regulate a 2.5V output from a 3.7V input, making it efficient in battery-powered and 3.3V-bus systems.
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Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 133+ | $2.2500 | $299.25 |
| 500+ | $1.6200 | $810.00 |
| 1000+ | $1.5300 | $1530.00 |
| 10000+ | $1.4400 | $14400.00 |
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