LM2990T-15 - Texas Instruments

Manufacturer Part Number

LM2990T-15

Manufacturer

Texas Instruments

Introduction

Negative low dropout regulator designed for vehicle and battery-powered applications

Product Features and Performance

Negative output configuration

Fixed output type

Single regulator chip

Low dropout voltage, 1V @ 1A

Support maximum input voltage of -26V

Provides a fixed output of -15V

Capable of supplying output current up to 1.8A

Low quiescent current of 1 mA

Maximum supply current is 5 mA

Power supply rejection ratio (PSRR) of 52dB at 1kHz

Product Advantages

Able to handle peak current up to 1.8A

Robust thermal performance

Low quiescent current enhances battery life

Good noise rejection with high PSRR

Key Technical Parameters

Voltage - Input (Max): -26V

Voltage - Output (Min/Fixed): -15V

Voltage Dropout (Max): 1V @ 1A

Current - Output: 1.8A

Current - Quiescent (Iq): 1 mA

Current - Supply (Max): 5 mA

PSRR: 52dB (1kHz)

Quality and Safety Features

Over-temperature protection

Short-circuit protection

Compatibility

Compatible with through-hole mounting

TO-220-3 package compatible with standard heatsinks

Application Areas

Automotive electronics

Battery-powered equipment

Power supply modules

Product Lifecycle

Last Time Buy status indicates nearing discontinuation

Potential need to seek replacements or upgrades

Several Key Reasons to Choose This Product

Reliability in harsh conditions, suitable for automotive use

High output current suitable for demanding applications

Low dropout is ideal for low-voltage operations

Efficient power consumption for longer battery life

Comprehensive protection features ensure device longevity

Standard package aids compatibility with various circuit designs