FAN53526UC96X-FS

Voltage Regulators - DC DC Switching Regulators Overview

The FAN53526UC96X-FS is a synchronous step-down DC-DC converter from the TinyBuck family, manufactured by onsemi (formerly Fairchild Semiconductor). It features a digitally programmable output voltage ranging from 600 mV to 1.393 V and supports up to 3 A of continuous output current. The device operates with an input voltage range of 2.5 V to 5.5 V at a fixed switching frequency of 2.4 MHz. It utilizes a WLCSP-15 package for compact surface-mount installation.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Digitally programmable output voltage via I2C-compatible interface
• High-efficiency synchronous buck topology
• Compact WLCSP-15 footprint for space-constrained designs

Voltage Regulators - DC DC Switching Regulators Applications

• Portable consumer electronics
• Digital signal processors
• Embedded systems power management

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify component authenticity through authorized distribution channels. Confirm RoHS compliance status and datasheet revision prior to integration. Ensure proper handling procedures are followed due to the fine-pitch WLCSP packaging format during assembly processes.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this regulator when a high-current, digitally adjustable solution is required within a minimal footprint. The 2.4 MHz frequency allows for smaller passive components compared to lower-frequency alternatives. Verify that the specific UC96 suffix meets the required output voltage configuration for the target application design.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the FAN53526 series of TinyBuck regulators. It represents the transition period where Fairchild Semiconductor's power management portfolio was integrated into onsemi. The part maintains the core electrical specifications of the standard FAN53526 while utilizing specific ordering suffixes for traceability.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include the FAN53526UC128X and other variants within the FAN53526 series. Cross-reference pinouts and thermal characteristics before replacing legacy Fairchild parts with current onsemi equivalents.