LP2985A-18DBVJ - Texas Instruments

Manufacturer Part Number

LP2985A-18DBVJ

Manufacturer

Texas Instruments

Introduction

The LP2985A-18DBVJ is a low dropout (LDO) linear regulator designed for powering sensitive circuits.

Product Features and Performance

Output Configuration: Positive

Output Type: Fixed at 1.8V

Number of Regulators: 1

Voltage Input (Max): 16V

Voltage Dropout (Max): 0.58V at 150mA

Current Output: 150mA

Current Quiescent (Iq): 95 µA

Current Supply (Max): 2.5 mA

PSRR: 45dB (1kHz)

Control Features: Enable

Protection Features: Over Current, Over Temperature, Short Circuit

Operating Temperature Range: -40°C to 125°C

Mounting Type: Surface Mount

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

Supplier Device Package: SOT-23-5

Product Advantages

Ultra-low dropout makes it suitable for applications with very low headroom

High PSRR ensures stability and reliability in noisy environments

Low quiescent current helps in prolonging battery life in portable applications

Compact SOT-23-5 packaging suitable for space-constrained applications

Key Technical Parameters

Max Input Voltage: 16V

Fixed Output Voltage: 1.8V

Dropout Voltage: 0.58V at 150mA load

Output Current: 150mA

Quiescent Current: 95 µA

Supply Current: 2.5 mA maximum

PSRR: 45dB at 1kHz

Quality and Safety Features

Overcurrent protection

Overtemperature protection

Short circuit protection

Compatibility

Designed for general use in multiple applications, particularly effective in portable and battery-operated devices.

Application Areas

Mobile Phones

Handheld devices

Portable Electronics

Battery-powered devices

Product Lifecycle

Status: Last Time Buy

Note: Check for potential replacements or upgrade paths since it is nearing discontinuation.

Several Key Reasons to Choose This Product

Extremely low dropout for better performance in low-headroom applications

High PSRR for enhanced output stability

Low Iq to extend battery life in portable devices

Robust thermal and current management features ensure reliability and safety

Compact form factor allowing for use in space-constrained applications