FAN1616AS25X

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

The FAN1616AS25X is an adjustable positive low-dropout (LDO) linear voltage regulator manufactured by Fairchild Semiconductor. It operates within a differential input-to-output voltage range of 1.5 V to 5.75 V and provides a maximum output current of 0.5 A. The device features a maximum dropout voltage of 1.2 V at full load, ensuring efficient power conversion in applications with limited voltage headroom. Packaged in a four-pin SOT-223 format, it supports operation across an extended temperature range from -40°C to +125°C.

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

• Adjustable output voltage configuration via external resistors
• Integrated thermal protection and current limiting for enhanced reliability
• Low quiescent current consumption for improved efficiency

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

• USB control power supplies
• Motherboard voltage regulation
• SDRAM module power delivery

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

Verify the specific suffix '25X' against official Fairchild documentation to confirm pinout compatibility and exact electrical tolerances. Ensure the selected component matches the required package type and lead-free specifications for your assembly process. Cross-reference datasheet revisions to validate performance parameters under your operating conditions.

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

Select this component when an adjustable LDO with high efficiency and robust protection features is required. It is suitable for designs needing precise voltage regulation with minimal heat dissipation. Consider the thermal resistance of the SOT-223 package and ensure adequate PCB copper area for heat spreading during continuous operation at maximum load currents.

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

This part belongs to the FAN1616A series of low-dropout regulators designed for portable and computing applications. The series includes fixed-voltage variants optimized for USB hubs and standard logic levels, alongside adjustable versions for custom voltage requirements. These regulators are engineered to provide stable power delivery with low noise and fast transient response capabilities.

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

Consult official substitution guides for equivalent adjustable LDOs with matching current ratings and dropout characteristics. Verify that alternative components support the same SOT-223-4 package and meet the required thermal and electrical specifications.