REG103GA-A/2K5 - Texas Instruments

Manufacturer Part Number

REG103GA-A/2K5

Manufacturer

Texas Instruments

Introduction

The REG103GA-A/2K5 is a low drop-out (LDO) voltage regulator from Texas Instruments, designed for power management applications requiring a compact, efficient, and adjustable output voltage.

Product Features and Performance

Adjustable output voltage ranging from 1.295V to 5.5V

Low dropout voltage of 0.28V at 500mA load

Maximum input voltage up to 15V

Output current capability of 500mA

Quiescent current of 0.7mA, increasing to a maximum of 1.3mA under load

High PSRR of 65dB at 120Hz, providing stable output

Enable control feature for improved power-management flexibility

Over current and over temperature protection for enhanced safety and reliability

Product Advantages

High-efficiency due to low dropout voltage

Wide adjustable output voltage range suitable for various applications

Low quiescent current extends battery life in portable applications

High power supply rejection ratio ensures stable voltage output against supply noise

Compact surface mount SOT-223-6 package ideal for space-constrained applications

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

PSRR: 65dB (120Hz)

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Built-in over current and over temperature protection mechanisms guarantee reliability and longevity

Compatibility

Versatile for broad electronic applications due to its adjustable output

Application Areas

Mobile Phones

Portable Electronics

Microcontroller Power

Peripheral Devices Power

Product Lifecycle

Currently marked as Last Time Buy, indicating it is nearing discontinuation. Users should verify the availability of replacements or upgraded models.

Several Key Reasons to Choose This Product

Low dropout voltage enables efficient operation even in low voltage applications

Wide output voltage range provides flexibility for various design needs

Low quiescent current helps in extending the lifespan of battery-powered devices

High PSRR value ensures stable output in environments with fluctuating input voltages

Compact size suitable for high-density PCB layouts

Robust protection features safeguard the application against overcurrent and excessive temperature conditions.