MC7905BD2T - onsemi

Manufacturer Part Number

MC7905BD2T

Manufacturer

onsemi

Introduction

The MC7905BD2T belongs to onsemi's series of Power Management Integrated Circuits (PMIC), more specifically categorized under Voltage Regulators - Linear, Low Drop Out (LDO) Regulators designed for linear voltage regulation.

Product Features and Performance

Negative output configuration with fixed output

Designed to provide a fixed -5V output

Capable of supplying a current of up to 1A

Featuring a maximum voltage dropout of 1.3V at 1A, which is considered typical performance

Equipped with Power Supply Rejection Ratio (PSRR) of 70dB at 120Hz, ensuring stable operation against supply variations

Built with over current and over temperature protection for enhanced safety and reliability

Operational in a wide temperature range from -40°C to 125°C, suitable for various environments

Product Advantages

The integration of protection features such as over current and over temperature ensures high reliability and longevity of the device and the systems it is used in.

A high PSRR of 70dB at 120Hz indicates excellent ability to suppress supply noise, contributing to stable output voltage.

Its capability to operate across a broad range of temperatures makes it versatile for various application conditions.

Key Technical Parameters

Single Voltage Regulator configuration

Max Input Voltage: -35V

Output Voltage: Fixed at -5V

Maximum Voltage Dropout: 1.3V @ 1A (Typical)

Output Current: 1A

Power Supply Rejection Ratio (PSRR): 70dB (120Hz)

Operating Temperature Range: -40°C to 125°C

Quality and Safety Features

Over Current Protection

Over Temperature Protection

Compatibility

Mounted through Surface Mount Technology (SMT) with a TO-263-3, D2PAK (2 Leads + Tab), TO-263AB package, ensuring compatibility with various circuit board designs.

Application Areas

The MC7905BD2T is geared towards a wide array of applications requiring stable negative voltage regulation, including, but not limited to, telecommunications, consumer electronics, and industrial equipment.

Product Lifecycle

Obsolete - This product status indicates that the MC7905BD2T is no longer in active production, potentially affecting its availability. Users are advised to consult onsemi for information on replacements or upgrades.

Several Key Reasons to Choose This Product

High reliability due to in-built over current and over temperature protection, ensuring the safety and long-term performance of the application.

The ability to maintain a stable -5V output even with supply noise, attributed to its good PSRR rating.

Support for a wide range of operating temperatures, making it suitable for a variety of environmental conditions.

Obsolete status may encourage exploring newer, possibly more efficient replacements or upgrades, which could offer enhanced features and performance for contemporary applications.