FL7732M-F116

Overview

The FL7732M-F116 is a single-stage PFC primary-side-regulation offline LED driver. It provides accurate constant-current control independent of input voltage, output voltage, and magnetizing inductance variations. The device features linear frequency control to improve efficiency and simplify design. It includes open-LED protection, short-LED protection, cycle-by-cycle current limiting, and over-temperature protection with auto restart. The part operates within an AC voltage range of 80 V to 308 V.

Feature Summary

• Eliminates the need for input bulk capacitors or feedback circuitry
• Provides precise constant-current regulation against component variations
• Integrates comprehensive protection mechanisms including open/short LED and thermal shutdown

Applications

• Low-power flyback converters for LED lighting
• Offline LED driver implementations requiring cost-effective solutions
• Applications utilizing single-stage topology with primary-side regulation

Procurement Notes

Verify the specific suffix F116 against official onsemi documentation to confirm package type and tape-and-reel specifications. Ensure compatibility with the intended operating temperature range and regulatory compliance requirements before finalizing procurement orders.

Selection Notes

Select this component for designs prioritizing minimal external component count and reduced bill of materials costs. It is suitable for applications where primary-side regulation accuracy meets system requirements without the complexity of secondary-side sensing circuits.

Part Context

This device belongs to the FL7732 series of highly integrated PWM controllers designed for low-power flyback converters. It utilizes proprietary TRUECURRENT technology to simplify circuit design for LED lighting applications while maintaining high power factor and low total harmonic distortion.

Replacement Considerations

FL7732M-F115