LP2985A-18DBVR - Texas Instruments

Manufacturer Part Number

LP2985A-18DBVR

Manufacturer

Texas Instruments

Introduction

The LP2985A-18DBVR is a low-dropout (LDO) linear voltage regulator designed for power-sensitive applications, providing a stable and precise 1.8V output from a higher voltage supply.

Product Features and Performance

Low dropout voltage: 0.58V @ 150mA

Stable output voltage: 1.8V

Output current up to 150mA

Quiescent current: 95 µA

Maximum supply current: 2.5 mA

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

Has enable control feature for better power management

Incorporates protection features for overcurrent, overtemperature, and short circuit conditions

Product Advantages

High efficiency for battery-powered devices

Precision output voltage ensures reliable operation for sensitive electronics

Low quiescent current extends battery life

Protection features safeguard the device and the load from various fault conditions

Enable feature allows the user to turn the regulator on or off as needed

Key Technical Parameters

Voltage Input (Max): 16V

Voltage Output (Min/Fixed): 1.8V

Current Output: 150mA

Voltage Dropout (Max): 0.58V

Current Quiescent (Iq): 95 µA

PSRR: 45dB (1kHz)

Quality and Safety Features

Overcurrent protection

Overtemperature protection

Short circuit protection

Compatibility

The design allows for surface mount technology, making it suitable for a wide range of PCB designs.

Package / Case: SC-74A, SOT-753

Application Areas

Mobile phones

Handheld gaming devices

Portable media players

Wireless peripherals

Battery-powered equipment

Product Lifecycle

Status: Active

Not near discontinuation, ensuring long-term availability. Replacements or upgrades should not be a concern for the foreseeable future.

Several Key Reasons to Choose This Product

The LP2985A-18DBVR’s low dropout enables its use in low-voltage applications where minimal power loss is critical.

Ultra-low quiescent current makes it ideal for battery-operated devices, extending operational life.

Comprehensive protection features ensure safety and reliability under adverse conditions.

Texas Instruments' reputation for quality and the product's active status assure ongoing support and availability.

Easy integration into various designs due to its compact SOT-23-5 package and surface-mount compatibility.