LM2940SX-12 - Texas Instruments

Manufacturer Part Number

LM2940SX-12

Manufacturer

Texas Instruments

Introduction

A low dropout voltage regulator suitable for various electronic applications.

Product Features and Performance

Output Voltage Fixed at 12V

Max Input Voltage of 26V

Low Dropout Voltage: 1V at 1A Load

Output Current Capacity of 1A

Stable 66dB Power Supply Rejection Ratio (PSRR) at 120Hz

Product Advantages

Built-in Protection Features: Over Current, Over Temperature, Reverse Polarity, Short Circuit

Compatible with Ceramic, Tantalum, or Aluminum Electrolytic Capacitors

Low Quiescent Current: 10mA

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

Key Technical Parameters

Input Voltage (Max): 26V

Output Voltage (Min/Fixed): 12V

Current - Output: 1A

Quiescent Current (Iq): 10 mA

Supply Current (Max): 15 mA

PSRR: 66dB at 120Hz

Quality and Safety Features

Over Temperature Protection

Over Current Protection

Reverse Polarity Protection

Short Circuit Protection

Compatibility

Surface Mount TO-263 Package Compatible with Various PCB Designs

Application Areas

Automotive Electronics

Telecommunication Systems

Consumer Electronics

Industrial Equipment

Product Lifecycle

Last Time Buy Status - Check for Replacement or Upgrade Options

Several Key Reasons to Choose This Product

High Reliability for Critical Applications

Supports a Wide Range of Capacitors for Design Flexibility

Energy-Efficient with Low Quiescent Current

Suitable for Harsh Temperature Environments

Manufacturer Texas Instruments' Reputation for Quality Components