LD2981ABM33TR - STMicroelectronics

Manufacturer Part Number

LD2981ABM33TR

Manufacturer

STMicroelectronics

Introduction

Low Drop Out Voltage Regulator designed for power management applications

Product Features and Performance

Positive Output Configuration

Fixed Output Voltage

Single Output Voltage Regulator

Low Dropout Voltage: 0.375V @ 100mA

PSRR: 63dB at 1kHz providing good ripple rejection

Control Features include Enable function

Product Advantages

Highly efficient operation with low quiescent current of 150 µA

Robust protection with Over Current and Over Temperature features

Wide operating temperature range from -40°C to 125°C

Key Technical Parameters

Input Voltage Maximum: 16V

Output Voltage: 3.3V

Output Current: 100mA

Quiescent Current (Iq): 150 µA

Supply Current Maximum: 2.6 mA

Quality and Safety Features

Over Current Protection

Over Temperature Protection

Compatibility

Compatible with various applications requiring a 3.3V fixed output voltage

Suitable for surface mount technology with SC-74A, SOT-753 footprint

Application Areas

Suitable for battery-powered devices

Consumer electronics

Portable applications

Embedded systems

Product Lifecycle

Active status

Not nearing discontinuation currently

Future replacements or upgrades may become available as technology advances

Several Key Reasons to Choose This Product

Efficient Power Management for low power applications

Small form factor with SOT-23-5 package for compact circuit designs

Reliable performance under varying conditions and load

Ease of integration into existing and new design platforms

Continued manufacturer support and product availability