REG1117A-2.5/2K5 The Texas Instruments REG1117A-2.5/2K5 is a 1A linear voltage regulator with a fixed 2.5V output. It operates from an input voltage range of 3.7V to 15V.
Mfr Part #:

REG1117A-2.5/2K5

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments REG1117A-2.5/2K5 is a 1A linear voltage regulator with a fixed 2.5V output. It operates from an input voltage range of 3.7V to 15V.
✓ Total Stock: 75,587 pcs
$ Price Range: $1.30

REG1117A-2.5/2K5 Available from 2 distributors

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✓ Non-Authorised
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72,320 pcs
72320 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
3,267 pcs
3267 pcs On Request 1 On Request On Request 21+ On Request On Request

REG1117A-2.5/2K5 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Accuracy
Current
Load Capacitance
Mounting Type
Noise
Number of Regulators
Operating Temperature
Output Configuration
Output Type
PSRR
Protection Features
Quiescent Current
Supplier Device Package
Supplier Package
Thermal Resistance
Voltage
Voltage Dropout (Max)

REG1117A-2.5/2K5 Description

Short technical summary and product information.

The Texas Instruments REG1117A-2.5/2K5 is a 1-Amp positive-voltage linear regulator designed for various applications. It provides a fixed 2.5V output voltage with a typical dropout voltage of 1200mV at 1A. The regulator can accept an input voltage range from 3.7V to 15V.

 

Key electrical characteristics include a maximum output current of 1A and an accuracy of 2%. It features internal current limit and thermal overload protection. The device offers a typical noise of 38 µVrms and a PSRR of 29 dB at 100 KHz.

 

This linear regulator is available in a surface-mount SOT-223-4 package. It operates within a temperature range of -40°C to 125°C. Applications include SCSI-2 active termination, battery-powered instrumentation, and battery management circuits for portable devices.

REG1117A-2.5/2K5 Quick Information

Product Type: Linear Voltage Regulator
Canonical Name: Texas Instruments REG1117A-2.5/2K5 Linear Voltage Regulator
Subcategory: LDO Voltage Regulators

REG1117A-2.5/2K5 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

REG1117A-2.5/2K5 Estimated Pricing

Qty Low High
1+ $1.30 $1.30

Estimated market price range - modelled values for guidance only, not live distributor offers.

REG1117A-2.5/2K5 Features

  • 1A maximum output current capability.
  • Fixed 2.5V output voltage.
  • Wide 3.7V to 15V input voltage range.
  • Surface mount SOT-223-4 package.
  • Operates from -40°C to 125°C.

REG1117A-2.5/2K5 Applications

  • Used in post-regulation for DC-DC converters.
  • Ideal for battery-powered equipment.
  • Supplies sensitive analog circuits.
  • Suitable for industrial control systems.
  • Integrates into power management modules.

REG1117A-2.5/2K5 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the REG1117A-2.5/2K5?

The input voltage range is from 3.7V to 15V.

What package is the REG1117A-2.5/2K5 available in?

It is available in a SOT-223-4 surface-mount package.

What is the operating temperature range of the REG1117A-2.5/2K5?

The operating temperature range is -40°C to 125°C.

What is the output current capability of the REG1117A-2.5/2K5?

The maximum output current is 1A.

What is the dropout voltage of the REG1117A-2.5/2K5?

The typical dropout voltage is 1200mV, with a maximum of 1.3V at 1A output current.

What protection features does the REG1117A-2.5/2K5 have?

It includes over current and over temperature protection.

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