KA78L12AZTF

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

The KA78L12AZTF is a fixed voltage monolithic integrated circuit linear regulator from the KA78LXXA series, manufactured by onsemi. It provides a nominal output voltage of 12 V with a maximum output current capability of 100 mA. The device operates within an input voltage range up to 35 V and maintains performance across a junction temperature range of 0°C to +125°C. It features internal thermal overload protection and short circuit current limiting for robust operation.

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

• Integrated thermal overload protection prevents damage during overheating conditions
• Short circuit current limiting safeguards the device against output faults
• Fixed 12 V output voltage with ±5% tolerance ensures stable power delivery

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

• Power supply circuits requiring regulated 12 V DC output
• Embedded systems utilizing low current positive voltage regulation
• General purpose electronic equipment needing reliable linear regulation

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

Verify the component origin as Fairchild Semiconductor or its successor entities due to corporate acquisitions. Confirm the specific suffix AZTF indicates tape and reel packaging in TO-92 format. Ensure compliance with RoHS directives if required for your manufacturing process. Check for obsolescence notices as this part originates from legacy documentation.

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

Select this component when a fixed 12 V output is required with currents up to 100 mA. Consider the TO-92 package constraints regarding power dissipation limits. Evaluate thermal management needs given the linear topology. Compare line and load regulation specifications against application requirements for stability.

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

This regulator belongs to the KA78LXXA family of three-terminal positive voltage regulators. The series offers multiple fixed output voltages including 5V, 6V, 8V, 9V, 10V, 12V, 15V, 18V, and 24V variants. These devices are designed for applications requiring supply currents up to 100 mA with high reliability and built-in protection features.

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

Equivalent parts include LM78L12ACZ and MC78L12ACPG which share similar electrical characteristics and pinouts. Verify pin configuration compatibility before substitution. Ensure replacement components meet the same thermal and current rating specifications.