FAN2500SX

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

The FAN2500SX is a member of the FAN2500 family, a series of micropower low-dropout (LDO) voltage regulators manufactured by onsemi. These devices utilize CMOS technology to provide cost-effective performance for portable applications. The specific part number suffix indicates a fixed output voltage variant within the 100 mA output current class. Key electrical parameters include an input voltage range from 2.7 V to 6.5 V and a maximum dropout voltage of 140 mV at full load. The regulator offers a line regulation of 0.3 %/V and a load regulation of 2 %. It operates over an extended temperature range from -40°C to +125°C and is housed in a compact SOT-23-5 surface-mount package.

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

• Utilizes CMOS technology for micropower operation suitable for battery-powered systems
• Provides stable regulated output with low dropout voltage characteristics
• Includes thermal protection features for reliable operation under overload conditions

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

• GSM and TDMA cellular handsets
• Laptop and notebook portable computers
• Other portable electronic devices requiring efficient power management

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

Verify component authenticity through authorized distribution channels due to potential availability constraints. Confirm exact output voltage designation via the complete alphanumeric suffix, as generic model references may denote multiple variants. Check datasheet revisions for updated electrical specifications and packaging details before integration into final designs.

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

Select this regulator when designing circuits requiring a fixed 100 mA supply rail with minimal quiescent current consumption. Ensure the input voltage remains within the specified 2.7 V to 6.5 V window to maintain proper regulation. Consider the SOT-23-5 footprint constraints during PCB layout to ensure adequate thermal dissipation for the intended operating environment.

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

This component belongs to the FAN2500 series of LDO regulators, which are designed for high-efficiency power management in mobile communications and computing equipment. The series leverages advanced CMOS processes to achieve low noise and high power supply rejection ratios, making it suitable for sensitive analog sections in digital portable systems.

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

Direct substitutes include other 100 mA CMOS LDOs from the same manufacturer family, such as the FAN2500S30X or FAN2500S33X, provided the fixed output voltage matches the design requirement. Verify pin compatibility and thermal performance when cross-referencing with alternative vendors.