L7812ACD2T

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

The L7812ACD2T is a fixed positive linear voltage regulator from the STMicroelectronics L78 series. It provides a nominal output voltage of 12V with a maximum continuous output current of 1.5A. The device operates within an input voltage range up to 35V and features internal thermal overload protection and short-circuit current limiting. It is housed in a D2PAK (TO-263) surface-mount package, designed for efficient heat dissipation through the exposed tab.

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

• Integrated thermal overload protection prevents damage during excessive power dissipation.
• Internal short-circuit current limiting safeguards the device against output faults.
• Fixed output voltage ensures stable regulation without external feedback components.

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

• General-purpose power supply circuits requiring stable 12V rails
• Battery-powered systems needing regulated voltage levels
• Industrial equipment power distribution modules

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

Verify the specific suffix 'CD2T' corresponds to the D2PAK tape-and-reel packaging configuration. Confirm RoHS compliance status as manufacturing processes may vary by production batch. Ensure the ordering part number matches the required tolerance grade indicated by the 'A' designation in the base model.

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

Select this component when a robust, high-current linear regulator is needed for surface-mount assembly. The D2PAK package offers superior thermal performance compared to smaller SOT packages. Consider the dropout voltage requirements relative to the minimum input voltage available in the design.

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

This part belongs to the widely used L78xx family of three-terminal linear regulators. The L78 series is known for its simplicity, reliability, and broad availability across multiple manufacturers. The L7812 variant specifically targets 12V applications, serving as a standard solution for legacy and modern electronic designs alike.

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

• L7812CD2T-TR
• L7812ABD2T-TR

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

What is the maximum input voltage for the L7812ACD2T?

The maximum absolute input voltage rating is 35V. Exceeding this limit may cause permanent damage to the device.

Does the L7812ACD2T include protection features?

Yes, it includes internal thermal overload protection and short-circuit current limiting to ensure safe operation under fault conditions.