ON Semiconductor MC79M05BT Voltage Regulator

The MC79M05BT from ON Semiconductor is a robust and reliable fixed negative voltage regulator designed to deliver a consistent -5V output. It is a part of the MC79 series of linear voltage regulators that are widely used in a variety of electronic applications. This particular model comes in a TO-220 package, which is known for its high power dissipation capabilities, making it suitable for moderate to high current applications.

The device is capable of providing local on-card regulation, eliminating the distribution problems associated with single-point regulation. It employs current limiting, thermal shutdown, and safe-area compensation – making it remarkably resilient to both internal and external fault conditions. The MC79M05BT can deliver up to 500mA of output current, which is ample for a multitude of low-power operations.

Designed to minimize the number of external components, the MC79M05BT maintains excellent load and line regulation. The simplicity of its design allows for a straightforward setup, as it requires only two external capacitors for stability. This makes it an excellent choice for quick and efficient designs, reducing overall component count and complexity.

The MC79M05BT is particularly well-suited for use in battery-powered devices, instrumentation, and control systems, where a stable and precise negative voltage reference is crucial. It’s also commonly found in various consumer electronics, automotive applications, and power management circuits.

Key features of the MC79M05BT include:

• Output Voltage: -5V
• Output Current: 500mA
• Thermal Overload Protection
• Short Circuit Protection
• Output Transistor Safe-Area Compensation
• No External Components Required
• TO-220 Package for Effective Heat Dissipation

ON Semiconductor’s commitment to quality ensures that the MC79M05BT voltage regulator meets the stringent requirements of electronic systems, providing a reliable power solution. Its robust design and straightforward application make it an excellent choice for designers looking to implement a stable and dependable power management solution.