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MC78T12ACT

Integrated circuit for power management

Inventory:5,446

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Overview of 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.

Equivalent

For similar functionalities, consider these alternatives to the MC78T12ACT:

  • LM7812: A widely used 12V voltage regulator IC offering similar functionality and performance characteristics.
  • UA7812: Another 12V voltage regulator IC suitable for applications requiring a fixed 12V output.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category Linear Voltage Regulators Mounting Style Through Hole
Package / Case TO-220-3 Number of Outputs 1 Output
Polarity Positive Output Voltage 12 V
Output Current 5 A Output Type Fixed
Input Voltage, Min 35 V Input Voltage, Max 35 V
Minimum Operating Temperature 0 C Maximum Operating Temperature + 125 C
Load Regulation 30 mV Line Regulation 45 mV
Brand onsemi Height 9.28 mm (Max)
Length 10.28 mm (Max) Pd - Power Dissipation 25000 mW
Product Type Linear Voltage Regulators Subcategory PMIC - Power Management ICs
Width 4.82 mm (Max) Unit Weight 0.211644 oz

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MC78T12ACT

Integrated circuit for power management

Inventory:

5,446