FAN2508S25X

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

The FAN2508S25X is a fixed-output linear voltage regulator from the FAN2508/9 series, manufactured by Fairchild Semiconductor. It provides a fixed 2.5V output with a maximum load current of 50mA. The device operates within an input voltage range up to 6.5V and features a typical dropout voltage of 75mV at full load. It incorporates thermal shutdown protection and maintains operation across an extended temperature range from -40°C to +125°C. The component is housed in a compact SOT-23-5 surface-mount package.

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

• Provides stable fixed voltage regulation for sensitive electronic circuits
• Incorporates thermal shutdown and short-circuit protection mechanisms
• Supports low-noise operation through external bypass capacitor integration

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

• Portable electronic equipment power supplies
• Cell phone and PDA voltage regulation
• PCMCIA Vcc and Vpp regulation

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

Verify the specific suffix 'S25X' against the manufacturer's official documentation to confirm the exact output voltage and package variant. Ensure compatibility with the intended PCB footprint and thermal requirements. Confirm RoHS compliance status as per the latest datasheet revision before procurement.

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

Select this component when a low-cost, fixed 2.5V supply is required for low-current applications. Consider the 50mA output limit and the need for an external bypass capacitor for noise reduction. Evaluate the SOT-23-5 package size constraints against available board space.

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

This part belongs to the FAN2508/9 family of low-voltage CMOS LDO regulators. These devices are designed for battery-powered applications requiring high ripple rejection and low quiescent current. The family offers various fixed output voltages and adjustable options in multiple package styles.

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

Check for direct pin-compatible alternatives within the same FAN2508 series offering different output voltages or current ratings. Verify if updated ON Semiconductor versions exist following the Fairchild integration.