KA7924TU

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

The KA7924TU is a three-terminal negative voltage regulator from the KA79XX series, manufactured by onsemi. It provides a fixed output voltage of -24 V with an output current capability exceeding 1 A. The device operates within an input voltage range of -27 V to -35 V and supports junction temperatures from 0 °C to +125 °C. Electrical characteristics include a line regulation of up to 480 mV and load regulation of up to 480 mV at maximum limits. Ripple rejection is typically 60 dB at 120 Hz. The component is housed in a TO-220 package.

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

• Internal thermal overload protection safeguards against excessive heat.
• Integrated short-circuit protection limits output current during faults.
• Output transistor safe operating area compensation ensures stability under varying loads.

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

• Negative fixed output power supply circuits
• Split power supply systems requiring dual polarity rails

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

Verify the specific ordering suffix and manufacturer source carefully, as this part originates from Fairchild Semiconductor and has been integrated into ON Semiconductor's portfolio. Confirm that the received component matches the KA7924TU designation and physical package dimensions. Check for updated nomenclature if sourcing through channels managing legacy Fairchild inventory, ensuring compliance with current quality standards.

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

Select this regulator when a stable negative rail is required for analog or digital circuitry. Ensure the input voltage remains within the specified absolute maximum ratings to prevent damage. Consider the thermal resistance values for heatsinking requirements based on the expected power dissipation and ambient temperature conditions in the final application environment.

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

This component belongs to the KA79XX family of three-terminal negative regulators, which also includes variants like KA7915TU and KA7918TU. These devices share similar internal protection mechanisms and package styles but differ in their fixed output voltage settings. The series is designed for general-purpose linear regulation applications requiring reliable performance over a wide temperature range.

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

LM7924CT

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

What is the pin configuration for the KA7924TU?

Pin 1 is Ground (GND), Pin 2 is Input, and Pin 3 is Output.

Does the KA7924TU include protection features?

Yes, it includes internal thermal overload protection, short-circuit protection, and output transistor safe operating area compensation.