FAN2504S25X

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

The FAN2504S25X is a fixed-output linear voltage regulator from the FAN2504/05 family, manufactured by Fairchild Semiconductor (now onsemi). It provides a fixed output voltage of 2.5V with a maximum continuous output current of 200mA. The device operates within an input voltage range of 2.7V to 6.5V and features a low dropout voltage of 0.2V at full load. It utilizes CMOS technology for micropower efficiency, offering a typical quiescent current of 75µA. The regulator includes enable control and thermal protection, housed in a compact SOT-23-5 surface-mount package.

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

• CMOS-based micropower design for cost-effective performance in portable applications
• Integrated enable pin for power management control
• Thermal shutdown protection for operational safety

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

• GSM cellular handsets
• TDMA cellular handsets
• Laptop and notebook portable computers

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

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and check for specific packaging variants such as tape-and-reel quantities. Review datasheet revisions for any updates to electrical characteristics or mechanical dimensions before finalizing procurement specifications.

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

Select this component when a stable 2.5V rail is required for low-power digital logic or RF circuits in battery-operated devices. Ensure the input voltage remains above 2.7V and consider the 200mA current limit against peak load demands. Evaluate thermal dissipation requirements based on the voltage differential between input and output under maximum load conditions.

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

This part belongs to the FAN2504/05 series of low-dropout regulators designed for portable electronics. It shares architectural similarities with other members like the FAN2504S28X and FAN2505S33X, differing primarily in fixed output voltage settings. The series targets applications requiring high efficiency and small footprint in mobile communication and computing hardware.

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

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with alternative LDOs by matching output voltage, current capacity, package type, and electrical specifications.