FAN2512SX

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

The FAN2512SX is a low-dropout (LDO) linear voltage regulator manufactured by Fairchild Semiconductor, part of the FAN2513 series. It provides a fixed positive output voltage with a maximum continuous current capability of 150 mA. The device utilizes CMOS technology to achieve low quiescent current and fast transient response characteristics. It is housed in a compact SOT-23-5 surface-mount package, designed for efficient power management in space-constrained applications. The regulator ensures stable operation across a wide temperature range, supporting reliable performance in various electronic systems requiring precise voltage regulation.

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

• CMOS architecture enabling low quiescent current consumption
• Fast start-up time to minimize startup delays
• Fixed positive output voltage configuration
• Compact SOT-23-5 surface-mount packaging

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

• Portable battery-powered devices
• Wireless communication modules
• Embedded system power supplies
• Microcontroller voltage regulation

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

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm lot codes and date codes against current production status. Ensure compliance with RoHS directives and relevant environmental standards. Request original datasheets and test reports to validate electrical parameters. Inspect packaging integrity to prevent moisture damage during storage and handling.

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

Evaluate input-to-output voltage differential to ensure operation within specified dropout limits. Consider thermal dissipation requirements based on load current and ambient temperature. Verify compatibility with downstream circuit impedance and stability compensation needs. Assess package thermal resistance for adequate heat spreading in dense PCB layouts. Compare alternative regulators for similar current ratings and voltage accuracy specifications.

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

This component belongs to the FAN251x family of low-power LDO regulators. It shares architectural similarities with variants like the FAN2513S27X, differing primarily in output voltage settings. The series targets applications requiring efficient, noise-sensitive power delivery from single-cell lithium batteries or regulated bus lines. Development support typically includes evaluation boards and simulation models for integration verification.

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

Direct substitutes may include other 150mA LDOs with compatible pinouts and voltage outputs. Verify equivalent dropout voltage and line/load regulation specs. Check for identical package dimensions and thermal characteristics. Ensure functional compatibility regarding enable signals and bypass capacitor requirements.