KA7812AETU

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

The KA7812AETU is a three-terminal positive voltage regulator from the KA78XXAE series, manufactured by ON Semiconductor. It provides a fixed nominal output voltage of 12 V with a tolerance of ±2% at 25°C. The device supports an output current up to 1 A and operates within a temperature range of 0°C to +125°C. It utilizes a TO-220 package with dual-gauge leads.

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

• Integrated thermal overload protection for safe operation under high temperature conditions
• Internal short-circuit protection limits current during fault events
• Output transistor safe operating area protection prevents damage during high differential voltages

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

• DC-to-DC conversion circuits requiring stable positive voltage rails
• Power supplies for electronic equipment utilizing fixed voltage regulation
• Regulated power sources for operational amplifier biasing

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

Verify the specific ordering suffix against the manufacturer's official documentation to confirm package type and availability status. Confirm that the component meets RoHS compliance requirements for your assembly process. Ensure the input voltage remains within absolute maximum ratings to prevent device stress or failure.

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

Select this component when a fixed 12 V output with ±2% precision is required. Verify that the input voltage provides sufficient headroom above the dropout voltage for the intended load current. Ensure adequate heat sinking is implemented if the power dissipation exceeds the thermal resistance limits of the TO-220 package.

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

This part belongs to the KA78XXAE family of three-terminal positive regulators. The 'A' designation indicates tighter output voltage tolerance compared to standard variants. The 'TU' suffix denotes the TO-220 package configuration. These devices are designed as robust replacements for legacy linear regulator designs in industrial and commercial applications.

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

Compatible substitutes include KA7812E for standard tolerance applications and KA7812ETU for equivalent packaging. Verify pinout compatibility and thermal characteristics before substitution.