FAN2500S285

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

The FAN2500S285 is a fixed positive low-dropout (LDO) linear voltage regulator manufactured by Fairchild Semiconductor. It provides a fixed output voltage of 2.85V with a maximum output current of 100mA. The device operates within an input voltage range up to 6V and features a typical dropout voltage of 0.14V at full load. It utilizes CMOS technology for low quiescent current consumption. The component is housed in a compact SOT-23-5 package, suitable for space-constrained portable applications.

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

• Fixed positive output voltage regulation
• Low dropout voltage capability
• CMOS technology for efficiency
• Compact surface-mount packaging

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

• Portable battery-powered devices
• Cellular phones and PDAs
• Wireless communication equipment
• Battery-operated instrumentation

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

Verify the specific manufacturer origin, as Fairchild's semiconductor division was acquired by onsemi. Confirm RoHS compliance status, as some sources indicate non-compliance for certain batches or variants. Ensure the package type matches the required SOT-23-5 footprint. Check for obsolescence notices given the acquisition history. Validate datasheet revisions against the production date code.

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

Select this component when a stable 2.85V rail is required from a single-cell lithium-ion or alkaline battery source. Consider the 100mA current limit for load requirements. Evaluate thermal performance based on the power dissipation in the small SOT-23-5 package. Compare dropout characteristics against other LDOs if input voltage headroom is minimal.

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

This part belongs to the FAN2500 series of low-power LDO regulators. The series offers various fixed output voltages tailored for different logic families and sensor requirements. The FAN2500S285 specifically targets applications needing precise 2.85V regulation, often used for RF circuits or microcontrollers requiring this specific supply level.

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

Check for direct pin-compatible replacements within the same voltage class. Verify that alternative LDOs offer similar dropout characteristics and current capabilities. Ensure the replacement package matches the SOT-23-5 form factor. Confirm thermal management requirements are met by any substitute component.