KA78L05AD

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

The KA78L05AD is a fixed voltage monolithic integrated circuit linear regulator manufactured by onsemi, housed in an 8-SOP surface-mount package. It provides a nominal output voltage of 5V with a maximum continuous output current capability of 100mA. The device supports a maximum input voltage of 40V and operates within a junction temperature range of 0°C to +125°C. Electrical specifications include a line regulation of up to 150mV and a load regulation of up to 60mV under standard test conditions. The component incorporates internal thermal overload protection and short-circuit current limiting to ensure operational safety.

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

• Integrated thermal overload protection prevents damage during excessive power dissipation events.
• Built-in short-circuit current limiting safeguards the device against output fault conditions.
• Monolithic construction ensures stable performance for applications requiring supply currents up to 100mA.

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

• Power supplies for portable equipment
• Battery-powered systems
• Offline switchers

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

Verify the specific manufacturer origin, as this part number was originally distributed by Fairchild Semiconductor before corporate acquisition. Confirm that the 8-SOP package dimensions match the required PCB footprint. Ensure compliance with relevant environmental directives applicable to the target market. Validate that the component meets the necessary electrical tolerances for the intended circuit design.

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

Select this component when a compact surface-mount solution is required for low-current regulation tasks. The 8-SOP package offers a smaller footprint compared to traditional through-hole alternatives while maintaining similar electrical characteristics. Consider the thermal management requirements associated with the package type when designing the printed circuit board layout.

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

This regulator belongs to the KA78LXXA series of three-terminal positive voltage regulators. The series includes various fixed output voltage options ranging from 5V to 24V. The 'L' designation indicates a lower current capability variant compared to standard high-current regulators. The 'A' suffix typically denotes specific tolerance grades available within the product family.

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

Direct functional substitutes include MC78L05ACDR2G and MC78L05ABDR2G. Verify pinout compatibility and package dimensions before substitution. Ensure replacement parts meet the same electrical specifications and operating temperature ranges.