FL6632MX

Overview

The FL6632MX is a primary-side-regulated LED driver IC from onsemi, designed for dimmable LED applications. It integrates a PWM controller with power switch capabilities in an SOP-16 package. The device supports Boost, Buck, and Flyback topologies with a single output channel delivering up to 180 mA. Operating at a fixed frequency of 70 kHz, it accepts a maximum input voltage of 20 V and provides an adjustable output voltage range of 1.5 V to 5 V. It functions within a temperature range of -40°C to +125°C and includes short circuit and thermal protection features.

Feature Summary

• Integrates primary-side regulation PWM control with power switching for simplified LED driver designs
• Supports multiple converter topologies including Boost, Buck, and Flyback configurations
• Includes built-in short circuit and thermal protection mechanisms for enhanced system reliability

Applications

• Dimmable LED lighting systems
• LED illumination drivers requiring phase-cut compatibility
• Compact AC/DC LED power supplies

Procurement Notes

Verify the specific suffix MX against the official datasheet to confirm package type and tape-and-reel specifications. Ensure the ordering part number matches the exact pinout and electrical characteristics required for your design. Cross-reference with the manufacturer's latest revision history to confirm component availability and any potential form-fit-function changes before finalizing procurement.

Selection Notes

Select this component when designing LED drivers that require integrated power switching and primary-side regulation to reduce external component count. It is suitable for applications needing support for various topologies like Boost or Flyback. Consider its 180 mA output current capability and 70 kHz operating frequency when determining transformer or inductor specifications for the target LED load.

Part Context

The FL6632MX belongs to the FL7734 series of single-stage primary-side-regulation PWM controllers by onsemi. These devices are engineered specifically for cost-effective and compact LED lighting solutions. The series focuses on integrating control and power stages to minimize bill of materials while maintaining performance standards for general illumination markets.

Replacement Considerations

FL6630MX

FAQ

What topologies does the FL6632MX support?

The FL6632MX supports Boost, Buck, and Flyback converter topologies.

Does the FL6632MX include protection features?

Yes, the device includes short circuit and thermal protection features.