LP2981IM5-3.3 - Texas Instruments

Manufacturer Part Number

LP2981IM5-3.3

Manufacturer

Texas Instruments

Introduction

The LP2981IM5-3.3 is a voltage regulator, specifically categorized under Low Drop Out (LDO) regulators designed for stable power management.

Product Features and Performance

Fixed output configuration providing a steady 3.3V output voltage

Low dropout voltage of approximately 0.37V at 100mA load aiding in efficient operation

Equipped with features like Enable for operational control

Protection mechanisms against over current, over temperature, and short circuit for enhanced safety

High PSRR of 63dB at 1kHz ensuring low noise in power supply

Product Advantages

Optimized for low current applications with a low quiescent current of just 95 µA

Compact package SC-74A, SOT-753 suitable for space-sensitive applications

Robust temperature operation range from -40°C to 125°C

Key Technical Parameters

Input Voltage (Max): 16V

Output Voltage (Min/Fixed): 3.3V

Current - Output: 100mA

Current - Quiescent (Iq): 95 µA

Current - Supply (Max): 1.7 mA

Voltage Dropout (Max): 0.37V @ 100mA

PSRR: 63dB (1kHz)

Quality and Safety Features

Over Current, Over Temperature, and Short Circuit protection

Dependable performance between -40°C and 125°C

Compatibility

Mounting Type: Surface Mount

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

Application Areas

Suitable for applications in consumer electronics, telecommunication and industrial equipment, specifically where low power consumption and space are critical

Product Lifecycle

Status: Last Time Buy, suggesting nearing discontinuation

Availability of potential replacements or upgrades should be verified with newer or similar models from Texas Instruments

Several Key Reasons to Choose This Product

Low dropout feature suitable for efficient power management

Low quiescent current ideal for battery-operated devices needing prolonged life

Robust built-in protection features adding to the device reliability

High PSRR value minimizes noise introduced by the power supply

Compact profile facilitates easy integration into space-constrained applications