NCL2801CFADR2G

Overview

The NCL2801CFADR2G is an enhanced high-efficiency power factor controller for lighting applications, manufactured by onsemi. It operates as a current mode critical conduction mode (CrM) boost PFC controller IC suitable for analog/PWM dimmable LED drivers. The device features a SOIC-8 package and supports a single output with an adjustable voltage range. It functions within an input voltage window of 10.5 V to 27 V and delivers an output current capability of 800 mA. The operational frequency is set at 27.4 kHz, with a maximum power dissipation of 300 mW. It withstands supply voltages between 10.5 V and 27 V and operates reliably across a temperature range from -40°C to +125°C.

Feature Summary

• Implements THD enhancement technology for optimized total harmonic distortion performance in lighting systems.
• Integrates thermal shutdown protection to ensure safe operation under elevated temperature conditions.
• Supports analog and PWM dimming control interfaces for flexible LED driver design.

Applications

• High-efficiency power factor correction in LED lighting fixtures
• Analog dimmable LED driver circuits
• PWM dimmable LED driver circuits

Procurement Notes

Verify the complete part number including suffixes such as CFADR2G to ensure correct packaging and tape/reel specifications. Confirm RoHS compliance status through official manufacturer documentation before integration. Cross-reference the datasheet revision date to validate technical parameters against current production standards. Ensure the selected variant matches the required operating temperature range and package type for the target application.

Selection Notes

Select this component for designs requiring CrM boost PFC topology with integrated THD optimization. It is suitable for applications needing analog or PWM dimming compatibility. Consider the SOIC-8 package constraints and 300 mW power dissipation limit during thermal management planning. Verify that the 800 mA output current rating aligns with the specific LED string requirements.

Part Context

This device belongs to the NCL2801 series of power factor controllers designed specifically for lighting applications. It represents onsemi's solution for enhancing efficiency and reducing harmonic distortion in AC-DC conversion stages. The series focuses on simplifying design through integrated protection features and optimized control loops for LED drivers.

Replacement Considerations

The NCL2801CDADR2G is a documented variant within the same product family. Verify pinout compatibility and electrical parameter equivalence before substitution. Ensure the replacement variant meets the specific packaging and marking requirements of the assembly process.

FAQ

What topology does the NCL2801CFADR2G utilize?

It utilizes a current mode critical conduction mode (CrM) boost PFC topology.

Does the device support dimming capabilities?

Yes, it is designed for use in analog and PWM dimmable LED driver applications.