FAN2511S33X

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

The FAN2511S33X is a fixed-output low-dropout (LDO) linear voltage regulator manufactured by Fairchild Semiconductor, now part of onsemi. It provides a stable 3.3 V output with a maximum continuous current capability of 100 mA. The device operates within an input voltage range of 2.7 V to 6.5 V and features a typical dropout voltage of 140 mV at full load. Designed for surface-mount applications, it utilizes a compact SOT-23-5 package. The regulator ensures high precision with a voltage regulation accuracy of 2% and maintains reliable performance across an extended industrial temperature range from -40°C to +125°C.

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

• Provides a fixed positive 3.3 V output regulated to 2% accuracy
• Capable of delivering up to 100 mA of continuous output current
• Operates reliably over an extended temperature range from -40°C to +125°C

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

• Portable battery-powered electronic devices requiring efficient power management
• Embedded systems utilizing microcontrollers or digital logic circuits
• Communication equipment needing stable low-noise voltage rails

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

Verify the manufacturer designation carefully, as Fairchild Semiconductor operations were acquired by onsemi. Confirm that the specific suffix matches the required output voltage and package type. Ensure compliance with RoHS standards if applicable to your manufacturing process. Check for any product change notifications regarding pinouts or thermal characteristics before finalizing procurement plans.

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

Select this component when a fixed 3.3 V rail is required with moderate current demands up to 100 mA. It is suitable for designs prioritizing low cost and small footprint in the SOT-23-5 package. Consider the input voltage headroom relative to the dropout characteristic to ensure regulation under all load conditions. Verify thermal dissipation requirements based on the expected ambient temperature and load current.

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

This component belongs to the FAN2511 series of low-dropout regulators. The series offers various fixed output voltages tailored for different logic families. The FAN2511S33X specifically targets applications requiring a 3.3 V supply. It shares common design features with other members of the family, such as similar packaging and basic electrical characteristics, while differing primarily in the regulated output voltage setting.

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

Check for direct cross-reference part numbers from onsemi or other manufacturers offering identical 3.3 V, 100 mA LDOs in SOT-23-5 packages. Verify pin compatibility and thermal performance metrics before substitution.