KA78RL00D

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

The KA78RL00D is an adjustable micro power voltage regulator manufactured by Fairchild Semiconductor, housed in an 8-SOP package. It supports a maximum input supply voltage of 30 V and operates within a temperature range of -40 °C to +125 °C. The device guarantees a minimum output current of 100 mA with a typical dropout voltage of 600 mV at full load. Electrical characteristics include a line regulation of 0.4% and load regulation of 0.3%. Internal protections feature short-circuit current limiting and thermal shutdown.

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

• Integrated error signal comparator for monitoring output dropout conditions
• External shutdown capability via dedicated control pin
• Internal current and thermal limiting for enhanced reliability

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

• Battery-powered systems requiring low quiescent current
• Applications necessitating external shutdown functionality
• Systems requiring alarm signals for low output voltage detection

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

Verify the component source against Fairchild Semiconductor specifications. Confirm the 8-SOP package marking and revision level. Ensure the operating environment remains within the specified -40 °C to +125 °C junction temperature range. Validate that the application circuit includes necessary stability capacitors as outlined in the datasheet.

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

Select this regulator for applications requiring precise voltage adjustment with minimal ground current consumption. The inclusion of an error comparator and shutdown pin makes it suitable for complex power management sequences. Ensure the design accommodates the required feedback resistor network to achieve the desired output voltage setting.

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

This component belongs to the KA78R series of adjustable micro power voltage regulators. It provides a stable reference voltage of approximately 1.26 V. The device is designed for efficiency in portable electronics where battery life is critical. It offers robust protection features compared to standard linear regulators.

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

Consult official distributor databases for verified substitute part numbers. Verify compatibility regarding pinout configuration, electrical parameters, and package dimensions before implementation.