FAN48630UC50X

Voltage Regulators - DC DC Switching Regulators Overview

The FAN48630 is a high-performance, synchronous buck controller designed for point-of-load applications in portable devices. It integrates two N-channel power MOSFETs and operates from an input voltage range of 2.7V to 5.5V. The device delivers up to 3A output current with adjustable switching frequencies up to 2.2MHz. Key features include adaptive on-time control, integrated bootstrap diode, and comprehensive protection mechanisms such as over-current, over-temperature, and UVLO.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates two low-resistance N-channel power MOSFETs for compact solution size
• Utilizes adaptive on-time control architecture for fast transient response
• Includes built-in bootstrap diode to minimize external component count
• Provides multiple protection modes including thermal shutdown and cycle-by-cycle current limiting

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronics such as smartphones and tablets
• Wireless charging base stations
• USB Type-C power delivery interfaces
• Point-of-load regulation for system-on-chip (SoC) cores

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix UC50X indicates the tape and reel packaging configuration. Confirm the manufacturer is onsemi through official distribution channels. Check for RoHS compliance status in the latest datasheet revision. Ensure the part number matches the exact pinout and thermal pad requirements for your PCB layout.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when space constraints require an integrated power stage solution. Consider the 2.2MHz maximum frequency for minimizing passive component sizes. Evaluate the input voltage range against your system's supply rails. Assess thermal performance needs based on the expected load current and ambient conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This controller belongs to onsemi's FAN486xx series of synchronous buck converters. It is designed to replace discrete MOSFET driver solutions by integrating the power switches directly into the package. This integration reduces board area and simplifies design complexity for mobile and consumer applications requiring efficient power conversion.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for direct pin-to-pin compatible alternatives within the same family or from other manufacturers. Verify that any substitute maintains the same input voltage range and current capability. Ensure thermal characteristics and protection features are equivalent or superior. Confirm availability and lead times before finalizing any substitution decision.