Synchronous rectifier controllers
Improve your efficiency with easy-to-use, high performance synchronous rectifiers
Our portfolio of synchronous rectifier (SR) controllers enables higher efficiency for power supplies by replacing the output rectifier diode with a more efficient SR FET. This helps you create solutions that are smaller, cooler and compliant with stringent requirements for less.
Measures voltage across SR FET to determine when to turn on and off. Find the product that works best with your topology:
- CCM, DCM, QR flyback
- Active clamp flyback
- Forward, active clamp forward
- Half bridge, full bridge
Featured reference designs and tools
The PMP8965 is a 12.5W USB adapter reference design using the UCC28740 quasi-resonant/discontinues flyback controller, with synchronous rectification to improve efficiency using the UCC24610 green rectifier controller.
The UCC24612-1EVM evaluation module (EVM) is used to convert the output rectifier of a flyback converter from a diode to a synchronous rectifier (SR) FET to investigate and evaluate the efficiency benefits of using an SR over a rectifier diode.
This power reference design provides up to 20 V/60 W over USB Type-C from a universal AC input range of 85 to 265 VAC for charger applications. The UCC24636 synchronous rectifier driver allows this design to provide 91% average efficiency.
Wide vin LLC resonant controller with high-voltage start up enabling ultra-low standby power