REG1117A - Texas Instruments

Manufacturer Part Number

REG1117A

Manufacturer

Texas Instruments

Introduction

The REG1117A is a low dropout (LDO) voltage regulator, suitable for various power management applications.

Product Features and Performance

Positive output configuration

Adjustable output voltage

Single regulator design

Low dropout voltage: 1.55V at 1A load

Output current capability of 1A

Good power supply rejection ratio (PSRR): 62dB at 120Hz

Product Advantages

High-efficiency LDO for low-voltage applications

Stable with low ESR output capacitors

Thermal and over current protection enhances safety

Key Technical Parameters

Input voltage (Max): 15V

Output voltage (Min/Fixed): 1.25V

Output voltage (Max): 13.5V

Current - Output: 1A

Quiescent current (Iq): 10 mA

Operating temperature range: -40°C to 125°C

Quality and Safety Features

Over current protection

Over temperature protection

Compatibility

Compatible with various capacitors for output stability

Surface mount SOT-223-4 package

Application Areas

Consumer electronics

Computer systems

Industrial equipment

Product Lifecycle

Obsolete status indicates the product is nearing discontinuation

Potential availability of replacements or upgrades should be investigated

Reasons to Choose This Product

Maintains regulation with low input-output voltage differential

Supports a wide range of output voltages for diverse applications

High current capability suitable for multiple electronic devices

Operates efficiently across a broad temperature range

Robust safety features ensure long-term reliability

Ease of integration with common surface mount processes