REG103UA-A/2K5 - Texas Instruments

Manufacturer Part Number

REG103UA-A/2K5

Manufacturer

Texas Instruments

Introduction

The REG103UA-A/2K5 by Texas Instruments is a low dropout (LDO) linear voltage regulator designed for Power Management, specifically for applications requiring low input voltage and low dropout voltage.

Product Features and Performance

Adjustable output voltage ranging from 1.295V to 5.5V

Maximum input voltage of 15V

Maximum dropout voltage of 0.28V at 500mA load

Output current capacity of up to 500mA

Power Supply Rejection Ratio (PSRR) of 65dB at 120Hz

Control features include Enable function

Product Advantages

Offers low quiescent current of just 0.7 mA, enhancing power efficiency

Integrated protection features ensure safe operation under over-current and over-temperature conditions

Key Technical Parameters

Voltage - Input (Max): 15V

Voltage - Output (Min/Fixed): 1.295V

Voltage - Output (Max): 5.5V

Voltage Dropout (Max): 0.28V @ 500mA

Current - Output: 500mA

Current - Quiescent (Iq): 0.7 mA

Current - Supply (Max): 1.3 mA

PSRR: 65dB (120Hz)

Quality and Safety Features

Protected against over-current and over-temperature conditions

Compatibility

Compatible with various applications that require an adjustable output from a relatively low dropout voltage

Application Areas

Ideal for battery-powered devices, portable electronics, and other systems requiring efficient power management

Product Lifecycle

This product is listed as "Last Time Buy" indicating it is nearing discontinuation with limited availability; alternatives or upgrades may need to be considered.

Several Key Reasons to Choose This Product

High-efficiency with minimal power loss during regulation due to low quiescent current and low dropout voltage

Flexible output voltage adjustment catering to a range of electronic devices

Protection features enhance device reliability and longevity

High PSRR ensures stable operation despite variations in input voltage