FAN5361UC182X

Voltage Regulators - DC DC Switching Regulators Overview

The FAN5361UC182X is a synchronous buck regulator manufactured by onsemi, designed for efficient DC-DC conversion. It operates with an input voltage range of 2.3 V to 5.5 V and provides a fixed output voltage of 1.9 V. The device supports a maximum output current of 600 mA and features a switch frequency of 6 MHz. Packaged in a compact WLCSP with 6 pins, it measures 0.97 mm x 1.37 mm x 0.378 mm. The component functions within a temperature range of -40 °C to +85 °C and achieves an efficiency of 92%.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous step-down topology for high-efficiency power conversion
• Fixed 1.9 V output voltage capability
• Compact WLCSP package design for space-constrained applications

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring efficient power management
• Battery-powered systems utilizing single-cell lithium-ion sources
• Embedded circuits needing stable low-voltage regulation

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'X' against official datasheets to confirm packaging details such as reel or cut tape specifications. Confirm RoHS compliance status through manufacturer documentation before integration. Ensure EOL status is reviewed if long-term supply stability is required for the production lifecycle.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 1.9 V output is required from a 2.3 V to 5.5 V input source. The 600 mA current rating suits moderate load applications. The 6 MHz switching frequency allows for smaller external passive components compared to lower-frequency alternatives. Verify thermal performance within the specified operating temperature range.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the onsemi FAN5361 series of synchronous buck regulators. These devices are engineered for portable electronics, offering high efficiency and small footprint solutions. The series typically includes variants with different fixed output voltages and current ratings, all sharing similar control architectures and packaging options.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult official substitution guides for compatible parts within the same family or equivalent offerings from other manufacturers. Verify pinout compatibility and electrical parameter alignment before replacement.