FAN53555UC01X

Voltage Regulators - DC DC Switching Regulators Overview

The FAN53555UC01X is a synchronous buck regulator from onsemi's TinyBuck series, housed in a 20-WLCSP package measuring 1.96x1.56 mm. It accepts an input voltage range of 2.5 V to 5.5 V and delivers up to 5 A output current. The device operates at a fixed switching frequency of 2.4 MHz, enabling the use of small external components such as a 330 nH inductor and 20 uF capacitor. It provides a fixed output voltage of 0.6 V with high efficiency exceeding 80% even at low load currents down to 10 mA.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous rectification architecture ensures high efficiency across varying load conditions.
• Digitally programmable control interface allows for precise voltage regulation adjustments.
• Compact WLCSP footprint minimizes printed circuit board area requirements.

Voltage Regulators - DC DC Switching Regulators Applications

• Central processing unit core voltage regulation
• Field-programmable gate array power supply
• Portable computing devices requiring compact power solutions

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify component authenticity through authorized distributors due to end-of-life status. Confirm RoHS compliance and material declarations prior to integration. Check for alternative sources if immediate availability is required. Ensure storage conditions meet moisture sensitivity level specifications to prevent package damage during assembly processes.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this model when a fixed 0.6 V output is required within the TinyBuck family. Consider other variants like UC13X or UC04X if different output voltages are needed. Evaluate thermal performance based on the specific PCB layout and ambient temperature constraints. Verify that the 2.4 MHz frequency aligns with electromagnetic interference requirements of the target system design.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the FAN53555 series of digitally programmable regulators designed for space-constrained applications. It represents onsemi's solution for efficient power management in mobile and embedded systems. The series emphasizes miniaturization while maintaining robust performance characteristics suitable for modern digital logic families.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

No direct public substitute part numbers are confirmed in the provided documentation. Users should evaluate cross-reference options carefully to ensure compatibility with existing design parameters and pin configurations.