MC79M05BDT - onsemi

Manufacturer Part Number

MC79M05BDT

Manufacturer

onsemi

Introduction

The MC79M05BDT is a dedicated voltage regulator chip designed by onsemi, catering for power management needs in various electronic applications. It falls within the PMIC Voltage Regulators - Linear, Low Drop Out (LDO) Regulators category.

Product Features and Performance

Negative output configuration with a fixed output voltage

Capable of handling input voltages up to -35V

Provides a stable output voltage of -5V

Supports output currents up to 500mA

High power supply rejection ratio (PSRR) of 66dB at 120Hz, ensuring good noise rejection

Features robust protection against over-current and over-temperature scenarios

Operates effectively across a wide temperature range from -40°C to 125°C

Product Advantages

Designed to provide stable negative voltage outputs in demanding environments

Low dropout voltage of up to 1.1V at 500mA allows efficient operation even in low headroom situations

High PSRR value enhances performance in noisy power supply conditions

Broad operating temperature range makes it suitable for industrial applications

Protection features add reliability and longevity to both the regulator and the application it's used in

Key Technical Parameters

Voltage - Input (Max): -35V

Voltage - Output (Min/Fixed): -5V

Voltage Dropout (Max): 1.1V @ 500mA (Typ)

Current - Output: 500mA

PSRR: 66dB (120Hz)

Operating Temperature: -40°C ~ 125°C

Protection Features: Over Current, Over Temperature

Quality and Safety Features

Over-current and over-temperature protection ensure the safety and reliability of the device under various conditions.

Compatibility

The MC79M05BDT is compatible with a wide range of electronic applications requiring a fixed negative voltage regulation, thanks to its surface mount package (TO-252-3, DPAK).

Application Areas

Suitable for use in power management modules within industrial controls, automotive systems, and consumer electronics that require stable, negative power supplies.

Product Lifecycle

As marked by its status, the MC79M05BDT is obsolete, indicating it might be nearing the end of its production life. Users should look for replacements or upgrades for future designs.

Several Key Reasons to Choose This Product

High reliability in delivering stable negative voltage outputs

Efficient low dropout performance is ideal for applications with limited power supply headroom

Stringent protection features enhance the safety and durability of the device

Capable of functioning in a broad range of environmental conditions

Despite being obsolete, it offers a proven solution for existing designs requiring a fixed -5V output