REG1117F-3.3/500 - Texas Instruments

Manufacturer Part Number

REG1117F-3.3/500

Manufacturer

Texas Instruments

Introduction

The REG1117F-3.3/500 is a fixed output, low dropout (LDO) voltage regulator offering a 3.3V output, specifically designed to deliver up to 800mA of output current with an input voltage of up to 15V.

Product Features and Performance

Output Voltage: Fixed at 3.3V

Current Output: Maximum of 800mA

Voltage Input (Max): 15V

Voltage Dropout (Max): 1.2V at 800mA load

PSRR: 62dB at 120Hz

Operating Temperature Range: -40°C to 125°C

Product Advantages

Low Dropout Voltage

Robust Thermal and Over Current Protection

High Power Supply Rejection Ratio (PSRR)

Wide Operating Temperature Range

Key Technical Parameters

Output Type: Fixed

Voltage - Input (Max): 15V

Voltage - Output (Min/Fixed): 3.3V

Voltage Dropout (Max): 1.2V @ 800mA

Current - Output: 800mA

Current - Quiescent (Iq): 10 mA

Protection Features: Over Current, Over Temperature

Quality and Safety Features

Includes Over Temperature and Over Current Protection for enhanced reliability and safety

Compatibility

Package / Case: TO-263-4, D2PAK (3 Leads + Tab), TO-263AA

Mounting Type: Surface Mount

Application Areas

Ideal for low-power electronics, microcontrollers, and linear power supplies

Product Lifecycle

Status: Obsolete

Availability of replacements or upgrades needs to be checked with Texas Instruments directly.

Several Key Reasons to Choose This Product

High reliability with built-in safety features

Efficient power management with low dropout voltage

Supports a wide range of input voltages up to 15V

Suitable for stringent temperature environments

Compact Surface Mount form factor for modern circuit boards