L79L05ABD - STMicroelectronics

Manufacturer Part Number

L79L05ABD

Manufacturer

STMicroelectronics

Introduction

The L79L05ABD is a low dropout (LDO) linear voltage regulator designed to provide a steady negative 5V output from an input voltage up to -30V. It is crafted for applications requiring stable and reliable negative voltage regulation.

Product Features and Performance

Negative output voltage regulator

Fixed -5V output

Supports up to 100mA output current

Quiescent current of 5.5 mA

Maximum supply current of 6 mA

Power supply rejection ratio (PSRR) of 49dB at 120Hz

Robust against Over Temperature and Short Circuit conditions

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

Product Advantages

High reliability in regulating negative voltage

Low quiescent current improves energy efficiency

Built-in protection features enhance product longevity and safety

Able to operate in wide temperature ranges, suitable for harsh environments

Key Technical Parameters

Input Voltage (Max): -30V

Output Voltage (Min/Fixed): -5V

Current - Output: 100mA

Quiescent Current (Iq): 5.5mA

Supply Current (Max): 6mA

PSRR: 49dB (120Hz)

Operating Temperature: -40°C ~ 125°C

Quality and Safety Features

Over Temperature Protection

Short Circuit Protection

Compatibility

Surface Mount Technology (SMT) compatible

8-SOIC package for easy integration into various circuit designs

Application Areas

Power supply modules

Battery-powered devices

Negative voltage generators

Automotive electronics

Industrial control systems

Product Lifecycle

The L79L05ABD is classified as Obsolete, indicating that it is nearing the end of its production lifecycle. Users should consider seeking replacements or upgrades for future applications.

Several Key Reasons to Choose This Product

Guaranteed stable negative voltage output for critical applications

Energy-efficient operation with low quiescent current

Robust safety features ensure reliability under adverse conditions

Wide operating temperature range suitable for a variety of environments

Ease of integration into existing designs with its compact 8-SOIC package