FAN53526UC100X

Voltage Regulators - DC DC Switching Regulators Overview

The FAN53526UC100X is a digitally programmable synchronous step-down (buck) switching regulator manufactured by onsemi. It operates within an input voltage range of 2.5 V to 5.5 V and delivers up to 3 A of output current. The device features a fixed switching frequency of 2.4 MHz and supports adjustable output voltages from 600 mV to 1.3938 V. It utilizes a WLCSP-15 package for surface mount installation and maintains a quiescent current of 50 uA. The component functions reliably across an operating temperature range of -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Digitally programmable output voltage control via I2C interface
• Integrated synchronous rectification for high efficiency
• Compact WLCSP-15 footprint for space-constrained designs

Voltage Regulators - DC DC Switching Regulators Applications

• Portable consumer electronics power management
• Embedded systems requiring low-profile regulators
• Battery-powered devices with strict size constraints

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix '100X' against official onsemi documentation to confirm exact output voltage settings, as variations exist within the FAN53526 series. Confirm RoHS compliance status through the manufacturer's latest environmental declarations. Ensure compatibility with existing PCB layouts designed for WLCSP-15 packages before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a small form factor and digital voltage adjustment are required. It is suitable for applications needing a single output rail with precise programmability. Consider thermal performance under full load conditions given the compact package. Verify that the 2.4 MHz frequency aligns with electromagnetic interference requirements of the target system.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the TinyBuck family of power management integrated circuits from onsemi. These regulators are designed for portable applications where size and efficiency are critical. The FAN53526 series offers a balance of performance and integration, targeting modern mobile and IoT devices that require flexible power delivery in minimal space.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for direct substitutes within the FAN53526 series with different voltage suffixes if programming flexibility allows. Verify pin-to-pin compatibility with other WLCSP-15 buck converters from onsemi or competitors. Ensure electrical specifications match the original design requirements before substitution.