FAN2518SX

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

The FAN2518SX is a positive adjustable linear voltage regulator IC from Fairchild Semiconductor, housed in a SOT-23-5 package. It delivers a maximum output current of 50mA with an input voltage range up to 6.5V. Key electrical characteristics include extremely low power consumption and low shutdown current. The device features low dropout voltage and exceptional loop stability, allowing it to accommodate a wide variety of load conditions while maintaining regulation.

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

• Fast start enable capability for rapid system initialization
• Exceptional loop stability compatible with diverse capacitor types
• Low dropout voltage operation for efficient power management

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

• Portable battery-powered devices requiring low quiescent current
• Embedded systems needing stable adjustable voltage rails
• Power management circuits in consumer electronics

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

Verify the manufacturer origin, as Fairchild Semiconductor's power management division is now part of ON Semiconductor. Confirm the specific suffix 'SX' corresponds to the required tape-and-reel packaging configuration. Ensure RoHS compliance documentation matches current regulatory standards for your target market. Cross-reference the datasheet revision date to confirm technical specifications have not changed.

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

Select this component when a compact SOT-23-5 footprint is required for adjustable linear regulation. It is suitable for applications demanding low noise and fast transient response. Consider the 50mA current limit against peak load requirements. Verify that the input voltage does not exceed the 6.5V maximum rating under all operating conditions.

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

This part belongs to the FAN2518 series of CMOS LDO regulators designed for low-power applications. The series emphasizes efficiency through low shutdown currents and fast startup times. It serves as a solution for portable electronics where battery life and space constraints are critical design factors.

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

Check for direct pin-compatible alternatives within the same family, such as fixed-voltage variants like FAN2518S30X if a set voltage is acceptable. Verify functional equivalence regarding output current and dropout voltage before substitution.