FAN53555BUC08X

Voltage Regulators - DC DC Switching Regulators Overview

The FAN53555BUC08X is a digitally programmable synchronous buck regulator from onsemi's TinyBuck series. It operates with an input voltage range of 2.5 V to 5.5 V and delivers up to 5 A output current. The device features a fixed 0.8 V output voltage and supports switching frequencies of 2.4 MHz or 2.75 MHz. Packaged in a compact 20-WLCSP (1.62 mm x 2.015 mm x 0.378 mm), it functions within a temperature range of -40 °C to +85 °C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Digitally programmable architecture for precise voltage control
• Synchronous rectification topology for high efficiency
• Compact WLCSP package design for space-constrained applications

Voltage Regulators - DC DC Switching Regulators Applications

• Portable computing devices
• Cloud systems and computing infrastructure
• Consumer electronics requiring efficient power management

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify component authenticity through authorized channels due to potential availability constraints. Confirm RoHS compliance status and check for End-of-Life notifications before integration. Ensure supply chain stability as manufacturing status may affect long-term procurement planning.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this model when a fixed 0.8 V output is required alongside high current capability. The 20-WLCSP package suits designs needing minimal footprint. Verify thermal requirements against the specified operating temperature range and ensure compatibility with the intended switching frequency configuration.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the TinyBuck family, designed for portable and embedded applications. It integrates synchronous buck regulation with digital programming capabilities. The series emphasizes efficiency and size reduction for modern mobile and computing platforms.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for direct substitutes within the FAN53555 series with compatible output voltages. Verify pinout and package dimensions match existing layouts. Consult official documentation for any functional differences between variants.