LP2992AILD-1.8 - Texas Instruments

Manufacturer Part Number

LP2992AILD-1.8

Manufacturer

Texas Instruments

Introduction

The LP2992AILD-1.8 is a low-dropout linear regulator optimized for powering low voltage circuits from a single Li-Ion cell or fixed 3.3V or 5V power supplies.

Product Features and Performance

Delivers a fixed output of 1.8V

Supports output currents up to 250mA

Low dropout voltage of 0.85V at 250mA load

Quiescent current of 95 µA, reducing power consumption

Supply current of maximum 4 mA

Power supply rejection ratio (PSRR) of 45dB at 1kHz

Features enable pin for on/off control

Product Advantages

High efficiency due to low dropout voltage

Low quiescent current improves battery life in portable applications

Over current, over temperature, and short circuit protection enhance safety

Compact 6-WDFN Exposed Pad package saves board space

Key Technical Parameters

Voltage - Input (Max): 16V

Voltage - Output (Min/Fixed): 1.8V

Current - Output: 250mA

Voltage Dropout (Max): 0.85V @ 250mA

Current - Quiescent (Iq): 95 µA

Current - Supply (Max): 4 mA

PSRR: 45dB (1kHz)

Quality and Safety Features

Built-in over current protection

Over temperature protection

Short circuit protection

Compatibility

Designed for Li-Ion cell or fixed 3.3V or 5V input supplies

Application Areas

Ideal for battery-powered devices

Suitable for portable and low-power applications across consumer electronics

Can be used in microcontroller power supply circuits

Product Lifecycle

Product Status: Obsolete

Note: As the product is obsolete, it may be necessary to find replacements or consider upgrades for future designs

Several Key Reasons to Choose This Product

Low dropout voltage enhances power efficiency

Support for low quiescent current extends battery life in portable devices

Comprehensive protection features ensure reliability and safety

Compact package suitable for space-constrained applications

Optimized for a variety of power sources including single Li-Ion cells