FAN53611AUC205X

Voltage Regulators - DC DC Switching Regulators Overview

The FAN53611AUC205X is a synchronous buck regulator from onsemi, offering a fixed 2.05V output at 1A. It operates with an input voltage range of 2.3V to 5.5V and features a 6MHz switching frequency. The device utilizes a 6-bump WLCSP package (1.23x0.88mm) for compact designs. It provides high efficiency over 80% at 1mA load and includes thermal shutdown, UVLO, and internal soft-start.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous rectification architecture for high efficiency
• Compact 6-bump WLCSP packaging
• Integrated protection mechanisms including thermal shutdown

Voltage Regulators - DC DC Switching Regulators Applications

• Mobile data cards
• Tablets
• Digital still cameras

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify component status as the FAN53611 series has been subject to End-of-Life notifications by the manufacturer. Confirm availability through authorized distributors and check for valid RoHS compliance documentation before integration into new production designs.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this part for space-constrained portable electronics requiring a fixed 2.05V rail. Ensure input voltage remains within the 2.3V to 5.5V range. Consider the 6MHz frequency for smaller passive components compared to lower-frequency alternatives.

Voltage Regulators - DC DC Switching Regulators Part Context

Part of the FAN536xx family of synchronous buck regulators designed for mobile applications. Manufactured by onsemi following the acquisition of Fairchild Semiconductor, continuing the legacy of low-power DC-DC conversion solutions.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for direct pin-compatible substitutes in the FAN536xx series or newer onsemi PMIC families. Verify electrical parameters match if replacing obsolete stock.