FAN53730UC02X

Voltage Regulators - DC DC Switching Regulators Overview

The FAN53730UC02X is a digitally programmable constant on-time (COT) synchronous buck regulator from onsemi. It supports an input voltage range of 2.3V to 5.5V and delivers up to 3A output current. The device features a typical switching frequency of 2.7MHz, with an adjustable output voltage range from 0.3V to 2.0V. Packaged in a 12-pin WLCSP, it operates within a temperature range of -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Digitally programmable constant on-time control topology for fast transient response
• Synchronous step-down architecture supporting high efficiency at light and heavy loads
• Integrated digital interface for flexible configuration of operating parameters

Voltage Regulators - DC DC Switching Regulators Applications

• Portable consumer electronics requiring compact power solutions
• Battery-powered devices needing efficient voltage regulation
• Embedded systems utilizing low-profile surface-mount components

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix UC02X against the official datasheet to confirm pinout and electrical characteristics. Ensure compatibility with your PCB layout requirements for the 12-pin WLCSP package. Cross-reference ordering information with authorized distributors to avoid counterfeit components. Confirm RoHS compliance status if required by your manufacturing standards.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a small footprint and high current density are critical. The digitally programmable nature allows for design flexibility without hardware changes. Consider the 2.7MHz switching frequency for balancing size and efficiency. Ensure the input voltage range matches your system's power supply rails.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the FAN53730 series of synchronous buck regulators. It is designed for applications requiring high performance in a minimal package size. The series offers various output configurations and packaging options to suit different design constraints.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for direct pin-to-pin replacements within the same family, such as other FAN53730 variants with different suffixes. Verify that any substitute maintains the 3A current rating and compatible input/output voltage ranges.