LP2981-28DBVR - Texas Instruments

Manufacturer Part Number

LP2981-28DBVR

Manufacturer

Texas Instruments

Introduction

The LP2981-28DBVR is a low-dropout (LDO) linear voltage regulator optimized for Power Management applications, focusing on providing a stable fixed output of 2.8V from an input of up to 16V.

Product Features and Performance

Fixed output voltage of 2.8V

Low dropout voltage of 0.37V at 100mA load

Output current capacity of 100mA

Excellent PSRR of 63dB at 1kHz

Low quiescent current of 95 µA

Maximum supply current of 1.7 mA

Product Advantages

High efficiency under low-drop conditions

Low noise operation suitable for sensitive applications

Compact SC-74A, SOT-753 (SOT-23-5) package for space-constrained designs

Key Technical Parameters

Input Voltage (Max): 16V

Output Voltage (Min/Fixed): 2.8V

Dropout Voltage (Max): 0.37V @ 100mA

Output Current: 100mA

PSRR: 63dB at 1kHz

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

Quality and Safety Features

Over Current Protection

Over Temperature Protection

Short Circuit Protection

Compatibility

Suitable for general low-power applications where space is constrained

Application Areas

Consumer Electronics

Portable Devices

Power Management Systems

Product Lifecycle

Obsolete status

Consider looking for newer replacements or upgrades in similar LDO regulator series

Several Key Reasons to Choose This Product

High reliability with built-in protection features

Excellent power supply rejection ratio ensures stable operation

Suitable for use in a wide range of ambient temperatures

Minimal dropout voltage facilitates higher efficiency

Compact packaging fits in various design frameworks