L4989D013TR - STMicroelectronics

Manufacturer Part Number

L4989D013TR

Manufacturer

stmicroelectronics

Introduction

The L4989D013TR is a linear, low dropout (LDO) regulator designed for power management, specifically in applications requiring low voltage drops and fixed output voltage.

Product Features and Performance

Provides a fixed output voltage of 5V

Supports input voltages up to 31V

Low dropout voltage of 0.4V at 150mA load

Output current capacity of 150mA

Low quiescent current of 69 µA

Maximum supply current of 2 mA

Features Power Supply Rejection Ratio (PSRR) of 55dB at 100Hz

Includes enable feature, reset output, and watchdog timer for enhanced control

Protection against over-temperature and short circuit conditions

Product Advantages

High efficiency due to low dropout voltage

Suitable for battery-powered applications due to low quiescent current

Enhanced system reliability through built-in protection features and control options

Suitable for high-temperature environments with operating temperatures ranging from -40°C to 150°C

Key Technical Parameters

Voltage Input (Max): 31V

Voltage Output (Min/Fixed): 5V

Voltage Dropout (Max): 0.4V @ 150mA

Current Output: 150mA

Current Quiescent (Iq): 69 µA

PSRR: 55dB (100Hz)

Quality and Safety Features

Over-temperature protection

Short circuit protection

Designed for reliable operation in temperatures from -40°C to 150°C

Compatibility

8-SOIC package for surface mount installations

Compatible with various microcontrollers and digital systems requiring 5V

Application Areas

Battery-powered devices

Microcontroller-based systems

Automotive electronics

Portable electronics

Industrial control systems

Product Lifecycle

Obsolete status indicating discontinuation

Customers advised to seek replacements or upgrades for ongoing or future projects

Several Key Reasons to Choose This Product

Low dropout voltage enhances efficiency, especially in battery-powered applications

Low quiescent current extends battery life

Built-in protection and control features improve system reliability and safety

Wide input voltage range and fixed 5V output cater to a variety of electronic circuits

Obsolescence announcement necessitates consideration for long-term project sustainability and replacement strategy