LM2931CS - Texas Instruments

Manufacturer Part Number

LM2931CS

Manufacturer

Texas Instruments

Introduction

The LM2931CS is a low dropout voltage regulator designed for low-power applications.

Product Features and Performance

Low dropout voltage of 0.3V at 100mA load

Adjustable output voltage from 3V to 24V

Capability to supply 100mA of output current

Low quiescent current of 1 mA

PSRR of 55dB at 120Hz

Operates over a wide input voltage range up to 26V

Thermal and reverse polarity protection

Short circuit protection

Product Advantages

Suitable for automotive and battery-powered applications

Low quiescent current for power-saving performance

Robust protection features ensure reliability under various conditions

Adjustable output for versatile use in different circuit designs

Key Technical Parameters

Input Voltage (Max): 26V

Output Voltage (Min/Fixed): 3V

Output Voltage (Max): 24V

Voltage Dropout (Max): 0.3V @ 100mA

Output Current: 100mA

Quiescent Current (Iq): 1 mA

Supply Current (Max): 15 mA

Power Supply Rejection Ratio (PSRR): 55dB (120Hz)

Quality and Safety Features

Over Temperature Protection

Reverse Polarity Protection

Short Circuit Protection

Compatibility

Compatible with various applications requiring a stable and efficient voltage regulation

Application Areas

Automotive systems

Battery-powered devices

Low-power electronics

Portable equipment

Product Lifecycle

Last Time Buy status indicating nearing discontinuation

Availability of replacements or upgrades should be confirmed with Texas Instruments

Several Key Reasons to Choose This Product

Highly reliable for use in harsh environments (-40°C to 85°C)

Energy-efficient due to low quiescent current

Supports a wide range of output voltages for design flexibility

Suitable for use in automotive and portable applications due to robust safety features

Ease of integration with surface-mount TO-263 (DDPAK-5) package

High PSRR, ensuring stable output despite variations in input voltage

Last Time Buy notification allows for planned end-of-life management