L4949EPTR-E - STMicroelectronics

Manufacturer Part Number

L4949EPTR-E

Manufacturer

stmicroelectronics

Introduction

The L4949EPTR-E is a linear voltage regulator designed for automotive applications, providing fixed 5V output from inputs up to 28V. It features low dropout voltage and robust protection features.

Product Features and Performance

Positive output configuration

Fixed output type

Single regulator

Maximum input voltage of 28V

5V fixed output voltage

Maximum dropout voltage of 0.5V at 100mA load

Output current up to 100mA

Quiescent current of 300 µA

Supply current up to 5 mA

Protection for over temperature and short circuit

Operating temperature range from -40°C to 125°C

Product Advantages

Designed specifically for automotive applications

High efficiency with low dropout voltage

Compact surface mount package for space-constrained applications

Key Technical Parameters

Number of Regulators: 1

Voltage - Input (Max): 28V

Voltage - Output (Min/Fixed): 5V

Voltage Dropout (Max): 0.5V @ 100mA

Current - Output: 100mA

Current - Quiescent (Iq): 300 µA

Current - Supply (Max): 5 mA

Operating Temperature: -40°C to 125°C

Quality and Safety Features

AEC-Q100 qualified for automotive reliability

Over temperature protection

Short circuit protection

Compatibility

Mounting Type: Surface Mount

Package / Case: 20-SOIC (0.295", 7.50mm Width)

Supplier Device Package: 20-SO

Application Areas

Automotive electronics

Power management for car accessories

Product Lifecycle

Status: Active

Not nearing discontinuation and replacements or upgrades currently not specified

Several Key Reasons to Choose This Product

Reliable for automotive applications with AEC-Q100 qualification

Low dropout performance enhances efficiency

Compact and robust for integration in space-limited automotive environments

Comprehensive protection features ensure long-term reliability under various stress conditions

Broad operating temperature range suitable for various automotive environments