FAN2511S27X

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

The FAN2511S27X is a fixed-output low-dropout (LDO) linear voltage regulator manufactured by onsemi. It provides a fixed output voltage of 2.7 V with a maximum continuous output current of 100 mA. The device utilizes CMOS technology and is housed in a SOT-23-5 surface-mount package. It operates within an input voltage range of 2.7 V to 6.5 V and supports a junction temperature range from -40 °C to +125 °C. Key electrical characteristics include a load regulation of 2%, a line regulation of 0.3% per volt, and a dropout voltage specified at 0.14 V.

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

• CMOS-based low-power architecture designed for cost-effective portable applications
• Integrated fast start-up functionality enabled via dedicated control pin
• Fixed positive output voltage configuration ensuring stable power delivery

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

• GSM cellular handsets
• TDMA mobile communication devices
• CDMA portable telephones
• Laptop and notebook computers
• General portable electronic equipment

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

Verify the specific suffix 'X' against official onsemi documentation to confirm tape-and-reel packaging specifications. Confirm that the component status remains active or identify valid obsolescence notices. Ensure compatibility with existing PCB footprints for the SOT-23-5 package. Validate that the 2.7 V fixed output aligns with target circuit requirements before procurement.

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

Select this component when a stable 2.7 V rail is required for CMOS logic or RF sections in battery-powered devices. The 100 mA output capability suits moderate load currents typical in mobile phone basebands. Consider the SOT-23-5 package size for space-constrained designs. Verify that the input voltage never drops below the minimum operating threshold of 2.7 V to maintain regulation.

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

This part belongs to the FAN2510/11 family of micropower LDO regulators. These devices are engineered specifically for the stringent power efficiency demands of second-generation mobile communications. The series leverages advanced CMOS processes to minimize quiescent current while maintaining robust line and load regulation performance across wide temperature ranges.

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

Direct substitutes within the same family include the FAN2510S27X, which shares identical electrical parameters but may differ in enable pin availability. Cross-reference with other 2.7 V, 100 mA LDOs in SOT-23-5 packages only if functional equivalence is verified through detailed datasheet comparison.