LM2931CT - onsemi

Manufacturer Part Number

LM2931CT

Manufacturer

Texas Instruments

Introduction

The LM2931CT from Texas Instruments is a low dropout voltage regulator, designed to provide an adjustable output from 3V to 24V with a maximum output current of 100mA.

Product Features and Performance

Adjustable output voltage between 3V and 24V

Maximum output current of 100mA

Low dropout voltage: 0.3V at 100mA load

Quiescent current of 1 mA

Maximum supply current of 15 mA

Power supply rejection ratio: 55dB at 120Hz

Product Advantages

Supports a wide range of input voltages up to 26V

Capable of operating efficiently with low dropout voltage

Includes protection features like over temperature, reverse polarity, and short circuit

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 at 120Hz

Quality and Safety Features

Over temperature protection

Reverse polarity protection

Short circuit protection

Compatibility

Mounting Type: Through Hole

Package / Case: TO-220-5

Supplier Device Package: TO-220-5

Application Areas

Suitable for diverse electronics applications requiring adjustable voltage regulation and low power consumption

Product Lifecycle

Product status: Obsolete

Considerations for replacements or upgrades should be focused on newer low dropout regulators as direct replacements may not be available.

Several Key Reasons to Choose This Product

High reliability with built-in over temperature, reverse polarity, and short circuit protection

Flexible voltage adjustment from 3V to 24V allows for varied applications

Maintains low dropout voltage to ensure efficient operation

Low quiescent current helps in reducing power consumption in standby mode

Suited for applications where a wide range of input voltages and stable output is required