REG101UA-2.5 - Texas Instruments

Manufacturer Part Number

REG101UA-2.5

Manufacturer

Texas Instruments

Introduction

The REG101UA-2.5 is a low-dropout voltage regulator designed for power-sensitive applications, capable of delivering a fixed 2.5V output from an input up to 10V.

Product Features and Performance

Output Configuration: Positive

Fixed 2.5V output voltage

Low dropout voltage of only 0.13V at 100mA load

Output current capability of 100mA

Quiescent current of 500 µA, reducing power loss

Maximum supply current of 650 µA

Excellent power supply rejection ratio (PSRR) of 65dB at 120Hz

Enables precise voltage regulation under varying loads

Product Advantages

High efficiency for battery-powered devices

Minimizes battery drain when idle due to low quiescent current

Over Current and Over Temperature protection enhance safety

Enable control feature allows for power saving when not in use

Key Technical Parameters

Voltage Input (Max): 10V

Voltage Output (Min/Fixed): 2.5V

Voltage Dropout (Max): 0.13V @ 100mA

Current Output: 100mA

PSRR: 65dB (120Hz)

Quality and Safety Features

Over Current and Over Temperature protection

High reliability and robustness in adverse conditions

Compatibility

Surface Mount 8-SOIC (0.154", 3.90mm Width) package compatible with standard PCBs

Application Areas

Ideal for battery-powered equipment

Portable and wearable technology

Medical devices requiring precise voltage regulation

Product Lifecycle

Product Status: Last Time Buy

Note on discontinuation and recommendations for replacements or upgrades available upon request

Several Key Reasons to Choose This Product

Ultra-low dropout improves efficiency in low-voltage operations

Low quiescent current prolongs battery life in portable devices

Robust protection features ensure long-term reliability

High PSRR maintains steady output despite input voltage fluctuations

Texas Instruments’ reputation for quality and support