KA78R05CTU

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

The KA78R05CTU is a fixed low-dropout linear voltage regulator manufactured by onsemi. It provides a stable 5 V output with a maximum current capacity of 1 A. The device operates within an input voltage range of 6 V to 35 V and features a maximum dropout voltage of 500 mV. It utilizes a TO-220-4 through-hole package and supports a power dissipation of up to 15 W. The unit functions reliably across an operating temperature range from -20 °C to +80 °C, with a typical static current consumption of 10 mA.

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

• Fixed positive output regulation for consistent voltage supply
• Low dropout characteristic enabling efficient operation at minimal voltage differentials
• High thermal performance capability supporting significant power dissipation

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

• General-purpose power supply circuits requiring stable 5 V rails
• Embedded systems utilizing linear regulation for noise-sensitive components
• Industrial control modules needing robust through-hole mounting solutions

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

Verify component authenticity against official onsemi datasheets before integration. Confirm package integrity and pin alignment match the TO-220-4 specification. Ensure input voltage constraints remain within the 6 V to 35 V operational limits during system design validation. Check for RoHS compliance documentation if required by specific manufacturing standards.

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

Select this regulator when a fixed 5 V output is required with moderate current demands up to 1 A. The TO-220-4 package offers superior heat dissipation compared to smaller surface-mount alternatives. Consider the minimum input voltage requirement of 6 V to ensure adequate headroom for proper regulation under all load conditions.

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

This component belongs to the KA78R series of low-dropout regulators from onsemi. The series includes various fixed output voltages tailored for standard logic levels. The KA78R05CTU specifically targets applications needing reliable 5 V generation with enhanced thermal handling capabilities inherent to its through-hole packaging format.

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

Consult official cross-reference lists for verified substitutes. Alternative parts must maintain identical 5 V output, 1 A current rating, and TO-220-4 footprint compatibility.