MC7812ECTBU

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Overview

The MC7812ECTBU is a three-terminal positive linear voltage regulator from the MC78XXE series, manufactured by onsemi. It provides a fixed 12V output with a maximum current capability of 1A. The device operates within an input voltage range of 14.5V to 30V and supports junction temperatures from 0°C to +125°C. Key electrical characteristics include a typical dropout voltage of 2V at 1A load, line regulation of 10mV (VI=14.5V to 30V), and load regulation of 11mV (IO=5mA to 1.5A). It features internal thermal overload protection, short circuit protection, and safe operating area protection.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Feature Summary

• Integrated thermal overload protection prevents damage during excessive temperature conditions.
• Built-in short circuit protection safeguards the device against output faults.
• Output transistor safe operating area protection ensures reliability under varying load conditions.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Applications

• General purpose fixed voltage regulation in electronic circuits
• Local card distribution for power supplies
• Applications requiring internal current limiting and thermal shutdown

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Procurement Notes

Verify the specific ordering suffix 'BU' against official manufacturer documentation, as standard datasheets list 'ECT' for TO-220 packages. Confirm package type and tolerance specifications directly with the supplier or manufacturer to ensure compatibility with design requirements.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Selection Notes

Select this component for applications requiring a robust 12V fixed output with 1A capacity. Ensure adequate heat sinking is provided to maintain junction temperature within limits when delivering full load current. Consider the dropout voltage requirements relative to the minimum input voltage available in the system.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Part Context

This part belongs to the MC78XXE/LM78XXE/MC78XXAE family of three-terminal positive regulators. These devices are designed for wide range of applications due to their simplicity and built-in protections. The series offers various fixed output voltages including 5V, 6V, 8V, 9V, 12V, 15V, 18V, and 24V.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Replacement Considerations

MC7812ECT

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators FAQ

What is the typical dropout voltage for the MC7812ECTBU?

The typical dropout voltage is 2V when the output current is 1A and the junction temperature is +25°C.

Does the MC7812ECTBU include protection features?

Yes, it includes internal thermal overload protection, short circuit protection, and output transistor safe operating area protection.