FAN48623UC50X

Overview

The FAN48623UC50X is a synchronous TinyBoost regulator manufactured by onsemi, designed to provide a regulated output from a single lithium-ion battery source. It operates within an input voltage range of 2.35 V to 5.5 V and delivers a maximum load current of 2.5 A. The device features a fixed 5.0 V output and supports a bypass mode for direct power transfer. Key electrical parameters include a switching frequency of 2.5 MHz and a quiescent current of 55 uA. It is housed in a compact 16-WLCSP package with dimensions of 1.78x1.78 mm and functions reliably across a temperature range of -40°C to +85°C.

Feature Summary

• Synchronous rectification architecture ensures high efficiency during step-up conversion.
• Integrated bypass mode allows direct connection between input and output when conditions permit.
• Compact WLCSP packaging minimizes footprint requirements for space-constrained designs.

Applications

• Powering portable electronic devices from single-cell lithium-ion batteries
• Systems requiring efficient voltage boosting from low input voltages
• Applications needing direct bypass capability for power path management

Procurement Notes

Verify component authenticity through authorized distributors or official manufacturer channels. Confirm RoHS compliance status and check for specific environmental declarations if required by your supply chain standards. Ensure the package type matches your PCB design constraints before finalizing orders.

Selection Notes

Select this component when a high-current boost solution is needed from a single-cell battery source. The 2.5 A output capability suits applications demanding significant power from low-voltage inputs. Consider the 2.5 MHz switching frequency for balancing component size and efficiency needs.

Part Context

This part belongs to the TinyBoost series of synchronous regulators from onsemi. These devices are engineered for mobile and portable applications where space and efficiency are critical. The series typically offers various output configurations and current ratings to suit different system power requirements.

Replacement Considerations

Check for compatible parts within the same TinyBoost family that offer similar current ratings and package types. Verify pin compatibility and electrical specifications before substituting any alternative components.

FAQ

What is the maximum output current of the FAN48623UC50X?

The device provides a maximum load current of 2.5 A.

Does the FAN48623UC50X support bypass mode?

Yes, it includes an integrated bypass mode for direct power transfer.