LM2990T-5.0 - Texas Instruments

Manufacturer Part Number

LM2990T-5.0

Manufacturer

Texas Instruments

Introduction

The LM2990T-5.0 is a negative low dropout (LDO) linear voltage regulator designed for power management applications.

Product Features and Performance

Low dropout voltage

Fixed negative voltage output

1A output current capacity

Low quiescent current

58dB power supply rejection ratio (PSRR) at 1kHz

Product Advantages

High efficiency for negative voltage regulation

Robust thermal protection with over-temperature shutdown

Protection against short circuit conditions

Suitable for automotive and industrial applications due to wide operating temperature range

Key Technical Parameters

Output Configuration: Negative

Voltage - Input (Max): -26V

Voltage - Output (Min/Fixed): -5V

Voltage Dropout (Max): 1V @ 1A

Current - Output: 1.8A

Current - Quiescent (Iq): 1 mA

PSRR: 58dB (1kHz)

Quality and Safety Features

Over-temperature protection

Short-circuit protection

Built-in thermal shutdown

Compatibility

Through-hole mounting compatible

TO-220-3 package compatible with standard soldering processes

Application Areas

Power management for automotive systems

Industrial equipment

Telecommunication infrastructure

Portable battery-powered devices

Product Lifecycle

Last Time Buy status—suggests that the product is nearing discontinuation

Availability of potential replacements or upgrades may exist, consult manufacturer

Several Key Reasons to Choose This Product

High reliability and performance in voltage regulation

Efficient power consumption with low quiescent current

Operates effectively over a wide range of temperatures for various applications

Easy to integrate into existing designs with through-hole mounting

Comprehensive protection features enhance product longevity and safety

Manufacturer Texas Instruments is a well-known and trusted industry leader