FAN53526UC88X

Voltage Regulators - DC DC Switching Regulators Overview

The FAN53526UC88X is a digitally programmable synchronous step-down regulator manufactured by onsemi. It operates with an input voltage range of 2.5 V to 5.5 V and provides a single adjustable output voltage from 600 mV to 1.3938 V. The device delivers up to 3 A of output current with a switching frequency of 2.4 MHz. It features a low static current of 50 uA and supports shutdown functionality. The component is housed in a 15-pin WLCSP package, suitable for surface mount installation, and functions within a temperature range of -40 C to +85 C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Digitally programmable output voltage control via I2C interface
• Synchronous buck topology for high efficiency
• Compact WLCSP packaging for space-constrained designs

Voltage Regulators - DC DC Switching Regulators Applications

• Portable consumer electronics power management
• Battery-powered mobile devices
• Embedded systems requiring efficient DC-DC conversion

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the End-of-Life status before finalizing design specifications, as the manufacturer has scheduled this component for discontinuation. Confirm that the WLCSP-15 package footprint matches your PCB layout requirements. Ensure compatibility with existing I2C control lines for digital programming. Review the latest datasheet for any updates regarding thermal performance or electrical characteristics prior to procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this regulator when a compact solution is required for converting higher battery voltages to lower logic levels. The 3 A current capability suits moderate load applications. Consider the 2.4 MHz switching frequency for balancing component size and efficiency. Verify that the input voltage range aligns with the system's power source. The digital programmability allows for precise voltage tuning during production or operation.

Voltage Regulators - DC DC Switching Regulators Part Context

This component 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 specifically targets devices needing flexible voltage regulation in a minimal footprint. It integrates control circuitry and power switches into a single small package.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for direct pin-compatible substitutes within the same product family if available. Verify that alternative components support the same 3 A output current and 2.4 MHz switching frequency. Ensure replacement parts maintain the WLCSP-15 package form factor. Confirm that the new part is not also marked for end-of-life status.