KA7924TU

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

The KA7924TU is a three-terminal negative voltage regulator manufactured by Fairchild Semiconductor. It provides a fixed output voltage of -24V with a maximum load current capability of 1A. The device features internal thermal overload protection and short-circuit current limiting to ensure operational safety under fault conditions. It is designed for use in applications requiring stable negative power supplies, such as powering digital logic circuits including CMOS and TTL families.

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

• Provides a fixed negative output voltage suitable for standard digital logic power supplies
• Includes internal circuitry for thermal overload protection against overheating
• Features built-in short-circuit current limiting to protect the device during output faults

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

• Power supply modules for CMOS integrated circuits
• Power supply modules for TTL integrated circuits
• General-purpose negative voltage regulation in electronic equipment

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

Verify that the component matches the specific KA7924TU part number from Fairchild Semiconductor. Confirm the package type corresponds to the required board layout, typically TO-220 or similar through-hole packages for this series. Ensure the datasheet specifies the exact pinout configuration for input, ground, and output terminals before integration into the design.

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

Select this component when a stable -24V DC supply is required with up to 1A load current. Consider the internal thermal protection features for environments where heat dissipation may be limited. Verify that the input voltage range supports the necessary dropout voltage for the specific application load conditions.

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

This component belongs to the KA79xx series of three-terminal negative voltage regulators produced by Fairchild Semiconductor. The series offers various fixed output voltages to support different digital logic requirements. These regulators are widely used in industrial and consumer electronics for providing reliable negative rail power.

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

Compatible substitutes include other manufacturers' -24V negative regulators with similar 1A current ratings and TO-220 packaging, such as the LM7924 or equivalent linear regulators offering identical electrical specifications and pin configurations.