FAN48630UC45X

Voltage Regulators - DC DC Switching Regulators Overview

The FAN48630UC45X is a synchronous TinyBoost step-up switching regulator manufactured by onsemi. It operates with an input voltage range of 2.35 V to 5.5 V and provides a fixed output voltage of either 4.5 V or 4.76 V. The device delivers a continuous output current of 1.5 A at a switching frequency of 2.5 MHz. Packaged in a compact 16-WLCSP (1.78x1.78 mm) format, it features bypass mode capability and supports operation across a temperature range of -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates synchronous rectification for high efficiency in a small footprint
• Includes bypass mode for direct power path management
• Supports single-cell lithium-ion battery input ranges

Voltage Regulators - DC DC Switching Regulators Applications

• Portable consumer electronics requiring efficient voltage boosting
• Mobile phone power management systems
• Battery-powered devices needing stable 4.5V rails

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify component authenticity through authorized distributors due to potential counterfeit risks. Confirm RoHS compliance status via official manufacturer documentation before integration. Check for specific EOL notices as lifecycle status may vary by region. Ensure packaging integrity matches WLCSP handling requirements during assembly.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this model when a fixed 4.5V or 4.76V output is required from a single-cell lithium source. The 1.5A current rating suits moderate load applications. Consider the 16-WLCSP package constraints for PCB layout. Compare against programmable variants if adjustable output voltages are needed instead of fixed options.

Voltage Regulators - DC DC Switching Regulators Part Context

Part of the TinyBoost family designed for space-constrained mobile applications. Shares architectural similarities with other FAN4863x series regulators but differs in fixed output voltage settings. Designed to replace older linear regulators in efficiency-critical portable designs.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

FAN48630UC50X offers identical topology with 5V/5.29V outputs. FAN48630UC33X provides 3.3V/3.49V outputs. FAN48632UC35X delivers higher 2A current capability with 3.5V/3.7V outputs. All share the same WLCSP-16 package and 2.5MHz switching frequency.