MC78T12ACT

The MC78T12ACT is a positive voltage regulator IC designed to provide a fixed 12V output voltage with a 1A output current capability. It is commonly used in various electronic devices and circuits to ensure stable and regulated power supply.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

• Input: Vin (Voltage Input)
• Ground: GND (Ground)
• Output: Vout (Voltage Output)

Circuit Diagram

Incorporate a circuit diagram that illustrates the connections and operation of the MC78T12ACT IC for a more visual representation.

Key Features

• Fixed Output Voltage: The MC78T12ACT provides a fixed 12V output voltage, eliminating the need for external voltage regulation circuits.
• High Output Current Capability: With a 1A output current capability, this IC can drive moderate loads in electronic applications.
• Thermal Overload Protection: The IC is equipped with thermal overload protection to safeguard against overheating and ensure reliable operation.
• Short Circuit Protection: It features built-in short circuit protection to prevent damage under fault conditions.

Note: For detailed technical specifications, please refer to the MC78T12ACT datasheet.

Application

• Power Supply Regulation: The MC78T12ACT is widely used for regulating power supply in electronic devices and circuits.
• Voltage Conversion: It can be employed for converting higher input voltages to a stable 12V output.
• Electronic Instrumentation: The IC finds application in various electronic instrumentation and control systems where a regulated 12V supply is required.

Functionality

The MC78T12ACT functions as a reliable voltage regulator, providing a stable and regulated 12V output for electronic applications, ensuring consistent performance of connected components and circuits.

Usage Guide

• Connection: Connect Vin to the input voltage source, GND to the ground, and Vout to the load or subsequent circuit requiring a regulated 12V supply.
• Heat Dissipation: Ensure proper heat dissipation for the IC, especially under high load conditions, to maintain reliable operation and prevent thermal shutdown.

Frequently Asked Questions

Q: What is the maximum input voltage for the MC78T12ACT?
A: The maximum input voltage for the MC78T12ACT is typically around 35 volts.

Q: Can the MC78T12ACT be used for voltage step-down applications?
A: No, the MC78T12ACT is a fixed 12V output regulator and is designed for providing regulated 12V output from higher input voltages.