KA78L05AMTF

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

The KA78L05AMTF is a fixed positive voltage regulator from the KA78LXXA series, manufactured by onsemi. It provides a nominal output voltage of 5V with a maximum output current capability of 100mA. The device is housed in an SOT-89 surface-mount package and operates within a junction temperature range of 0°C to +125°C. Key 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 for enhanced reliability.

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

• Integrated thermal overload protection prevents damage during overheating events.
• Built-in short circuit current limiting safeguards the device against output faults.
• Designed for applications requiring stable supply currents up to 100mA.

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

• On-card regulation for eliminating noise associated with single-point regulation
• Use with power-pass elements to construct high current voltage regulators
• Replacement for zener diode-resistor combinations to improve output impedance

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

Verify the specific ordering suffix 'M' corresponds to the Tape & Reel packing configuration as documented in the official Fairchild/ON Semiconductor ordering information table. Confirm that the SOT-89 package variant matches the required footprint for the target PCB design. Ensure compliance with the manufacturer's life support policy restrictions if the application involves critical systems.

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

Select this component when a compact SOT-89 surface-mount solution is required for low-current 5V regulation. Consider the 100mA current limit and the specific dropout voltage characteristics relative to the input source. Evaluate the thermal dissipation capabilities of the SOT-89 package against the expected power loss in the final assembly environment.

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

This part belongs to the KA78LXXA series of monolithic integrated circuit voltage regulators. The series offers various fixed output voltages including 5V, 6V, 8V, 9V, 10V, 12V, 15V, 18V, and 24V. The KA78L05AMTF specifically denotes the 5V output version packaged in SOT-89 with tape and reel delivery.

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

KA78L05AZTA (TO-92 Ammo Pack)

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

What are the absolute maximum ratings for input voltage?

For the 5V output version, the maximum input voltage is 30V. Exceeding these limits may damage the device.

Does the KA78L05AMTF require external components for basic operation?

No external components are strictly required for basic regulation, but bypass capacitors are recommended for optimum stability and transient response.