FAN5330SX

Overview

The FAN5330SX is a digitally programmable LED driver IC from onsemi, utilizing a boost topology to regulate current for high-power LEDs. It operates within an input voltage range of 1.8 V to 5.5 V and supports output currents up to 1.5 A. The device integrates a 1.5 MHz switching frequency and features digital programming capabilities for precise control. Packaged in a compact SOT-23-5 format, it is designed for efficient power management in portable applications requiring regulated LED illumination.

Feature Summary

• Integrates a step-up (boost) converter topology with internal switches for efficient LED driving
• Features digitally programmable regulation for precise current control and dimming
• Supports wide input voltage ranges suitable for single-cell battery operation

Applications

• Portable electronic device flash lighting
• Mobile phone camera modules
• Handheld consumer electronics illumination

Procurement Notes

Verify the specific suffix 'SX' against the manufacturer's official datasheet to confirm package type and tape/reel specifications. Confirm RoHS compliance status as indicated in the latest documentation. Ensure the component is sourced from authorized distributors to guarantee authenticity and traceability, as obsolete or end-of-life statuses may affect long-term availability.

Selection Notes

Select this component when a compact, digitally controlled boost regulator is required for LED applications. Consider the SOT-23-5 footprint for space-constrained designs. Evaluate the 1.5 MHz switching frequency against EMI requirements and inductor size constraints. Verify that the 1.5 A output capability aligns with the target LED array current demands.

Part Context

This part belongs to onsemi's portfolio of power management integrated circuits, specifically within the LED driver category. It represents a solution for portable devices where size and efficiency are critical. The series typically includes variants with different packaging or pin configurations to suit diverse board layout requirements.

Replacement Considerations

Check for direct cross-references in onsemi's obsolescence notices. Alternative parts must match the SOT-23-5 package, boost topology, and digital interface compatibility. Verify thermal performance and current limits before substitution.

FAQ

What is the switching frequency of the FAN5330SX?

The device operates at a fixed switching frequency of 1.5 MHz.

Is the FAN5330SX internally switched?

Yes, the FAN5330SX includes internal power switches, eliminating the need for external MOSFETs.