FAN2511S30X

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

The FAN2511S30X is a fixed-output positive linear regulator from the onsemi FAN2511 series, providing a stable 3.0V output with a maximum continuous current of 100mA. It operates within an input voltage range of 2.7V to 6.5V and features a low dropout voltage of 0.14V at full load. The device includes thermal overload protection and an enable control feature, housed in a compact SOT-23-5 surface-mount package suitable for space-constrained designs.

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

• Provides a fixed 3.0V output voltage with 100mA load capability
• Features low dropout performance of 0.14V at rated current
• Includes thermal overload protection for enhanced reliability
• Supports system power management via an active-low enable pin

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

• Portable battery-powered consumer electronics
• Embedded systems requiring stable low-voltage rails
• Communication modules needing clean power supply
• Industrial control circuits with limited board space

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

Verify component authenticity through authorized distributors or direct manufacturer channels due to potential counterfeit risks. Confirm RoHS compliance status and check for specific tape-and-reel packaging requirements if applicable. Ensure the supplier provides valid traceability documentation matching the SOT-23-5 package marking. Validate that the part number suffix corresponds exactly to the required output voltage and package type before finalizing orders.

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

Select this regulator when a fixed 3.0V rail is needed with moderate current demands up to 100mA. It is suitable for applications where low noise and simple implementation are prioritized over high efficiency. Consider the input voltage headroom relative to the 0.14V dropout characteristic. Evaluate thermal dissipation capabilities based on the expected ambient temperature and PCB copper area available for heat spreading.

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

This component belongs to the FAN251x family of CMOS LDO regulators manufactured by onsemi. The series offers various fixed output voltages and current ratings, sharing common architectural features such as low quiescent current and small footprint packages. The FAN2511 variant specifically targets 100mA applications, bridging the gap between lower-current 50mA regulators and higher-current 150mA or 200mA options in the same product line.

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

Direct substitutes include other 3.0V, 100mA LDOs in SOT-23-5 packages from compatible manufacturers. Verify pinout compatibility and electrical specifications such as dropout voltage and PSRR. Check for equivalent thermal protection features and enable logic polarity. Ensure the replacement maintains the same operating temperature range and regulatory compliance standards.