FAN48630BUC315X

Overview

The FAN48630BUC315X is a synchronous TinyBoost regulator manufactured by onsemi, designed for systems utilizing battery chemistries with lower voltage profiles. It operates at a switching frequency of 2.5 MHz and delivers an output current of 1500 mA. The device features a bypass mode and supports input voltages ranging from 2.35 V to 5.5 V. It provides programmable output voltages, including specific configurations such as 3.15 V. Packaged in a compact WLCSP-16 format, it ensures efficient power management within a small footprint suitable for portable applications.

Feature Summary

• Integrates a bypass mode to enhance system efficiency under specific load conditions
• Utilizes synchronous rectification to maximize conversion efficiency
• Supports operation with low-voltage battery chemistries
• Features a compact WLCSP package for space-constrained designs

Applications

• Portable electronic devices requiring efficient power from low-voltage batteries
• Systems utilizing new battery chemistries with lower nominal voltages
• Space-constrained consumer electronics needing high-efficiency DC-DC conversion

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels due to potential availability constraints. Confirm the specific suffix designation matches the required output voltage configuration, as variations exist within the series. Ensure compliance with RoHS standards and check for any relevant Product Change Notices (PCN) regarding manufacturing updates or end-of-life status before finalizing procurement plans.

Selection Notes

Select this component when designing circuits that require high efficiency from batteries operating below standard thresholds. The 2.5 MHz switching frequency allows for smaller external passive components compared to lower-frequency alternatives. Consider the WLCSP-16 package size against available board real estate. Verify that the required output voltage aligns with the specific BUC315X variant specifications to ensure proper system performance.

Part Context

This part belongs to the TinyBoost family of synchronous boost regulators from onsemi. These devices are engineered to provide high efficiency in small packages, targeting mobile and portable applications. The FAN48630 series specifically addresses the needs of modern battery technologies that may not maintain higher voltage levels throughout their discharge cycle.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation.