FAN2514S285X

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

The FAN2514S285X is a fixed-output CMOS low-dropout regulator providing 2.85V at up to 200mA with a maximum dropout of 200mV. It features a 75µA ground current, thermal limiting protection, and an enable pin for shutdown control. The device utilizes a SOT-23-5 package and operates within a -40°C to +125°C temperature range.

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

• Ultra-low power consumption optimized for portable devices
• Fast start enable response suitable for CDMA time phases
• Exceptional loop stability accommodating wide capacitor ESR ranges
• Onboard thermal protection against overload conditions

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

• Cellular phones and accessories
• PDAs
• Portable cameras and video recorders
• Laptop, notebook and palmtop computers

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

Verify the specific suffix 'S285X' confirms the 2.85V fixed output voltage and Bypass pin configuration on Pin 4. Ensure the ordering code matches the required tape and reel quantity of 3000 units in the 7-inch 8mm carrier. Confirm the manufacturer designation aligns with the original Fairchild Semiconductor or current successor entity documentation.

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

Select this component when a precise 2.85V rail is required for battery-powered logic or RF circuits. The SOT-23-5 footprint suits space-constrained designs. Verify that the input voltage differential allows operation within the specified dropout limits under maximum load conditions. Consider the bypass pin requirement for optimal noise performance in sensitive applications.

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

This part belongs to the FAN2514/FAN2515 family of micropower LDO regulators designed for GSM, TDMA, and CDMA cellular handsets. The FAN2514 variant distinguishes itself from the adjustable version by utilizing Pin 4 as a Bypass input for noise reduction rather than an Adjustable feedback node.

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

The datasheet notes the device is pin-compatible with many popular older BiCMOS designs. No specific substitute part numbers are documented in the provided source material.

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

What is the function of Pin 4 on the FAN2514S285X?

Pin 4 serves as a Bypass input. Connecting a capacitor between this pin and ground optimizes noise performance.

How does the device handle thermal overload?

Onboard thermal protection shuts down the output if the die temperature exceeds 150°C. The output re-enables automatically once the temperature drops below this limit.