KA79M05

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

The KA79M05 is a monolithic integrated circuit designed as a fixed negative voltage regulator within the KA79MXX series. It provides a nominal output of -5V with an output current capability exceeding 0.5A. The device features internal thermal overload protection and short circuit current limiting, ensuring robust operation under fault conditions. It operates over a temperature range of 0°C to +125°C and accepts input voltages up to -35V for this specific output configuration.

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

• Internal thermal overload protection prevents damage during overheating events
• Integrated short circuit current limiting safeguards against output faults
• Output transistor safe area compensation ensures stable performance across operating ranges

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

• Fixed negative voltage regulation in power supply circuits
• General purpose electronic equipment requiring negative bias rails
• Embedded systems utilizing standard negative logic levels

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

Verify component authenticity through authorized distribution channels due to potential availability from multiple manufacturers including Fairchild and onsemi. Confirm package type matches design requirements, as TO-220 and D-PAK variants exist. Check datasheet specifications for line and load regulation tolerances relevant to the specific application environment before finalizing procurement.

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

Select the KA79M05 when a fixed -5V negative rail is required with moderate current demands. Ensure input voltage remains within the specified maximum limits relative to the output. Consider thermal resistance values for heat dissipation planning. Verify that external capacitor requirements for stability are met according to the application guidelines provided in the official documentation.

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

This component belongs to the KA79MXX family of three-terminal medium current negative voltage regulators. The series includes various fixed output voltages such as -6V, -8V, -12V, -15V, -18V, and -24V. These regulators share common architectural features including internal protection mechanisms and similar pinout configurations across different voltage options within the same package styles.

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

LM79M05 serves as a functional equivalent within the same regulatory family. Cross-reference electrical characteristics and package dimensions to ensure compatibility. Verify manufacturer-specific variations in thermal resistance or quiescent current if substituting between Fairchild and onsemi sources.