UCC24610DR

Power Supply Controllers, Monitors Overview

The UCC24610DR is a secondary-side synchronous rectifier controller from Texas Instruments, designed for low-voltage power supplies. It operates within a supply voltage range of 4.5 V to 6.5 V and delivers an output current of 3 A. The device features rise and fall times of 14 ns and 9 ns, respectively, with maximum on/off delays of 70 ns and 35 ns. It functions in temperatures from -40°C to +125°C and consumes 70 µA during operation. Packaged in an SOIC-8 surface-mount format, it supports flyback, forward, and LLC topologies.

Power Supply Controllers, Monitors Feature Summary

• Integrates SYNC pin functionality to support continuous conduction mode operations.
• Employs drain-source voltage sensing technology to enable flexible design across various converter architectures.
• Provides system protection by automatically disabling the MOSFET during short-circuit or excessive duty cycle conditions.

Power Supply Controllers, Monitors Applications

• Flyback converters
• Forward converters
• LLC resonant converters

Power Supply Controllers, Monitors Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct package type and tape/reel specifications. Confirm that the component meets all required environmental standards and RoHS compliance criteria before integration into final designs. Cross-reference the datasheet revision history to ensure compatibility with existing reference designs and application notes.

Power Supply Controllers, Monitors Selection Notes

Select this controller for applications requiring high efficiency in low-voltage secondary-side rectification. Ensure the primary side driver aligns with the device's timing characteristics. Verify that the external MOSFET selection matches the 3 A drive capability and voltage ratings suitable for the specific topology.

Power Supply Controllers, Monitors Part Context

This component belongs to the Green Rectifier family, focusing on improving power conversion efficiency. It serves as a specialized gate driver and controller for secondary-side rectification, replacing traditional diode solutions to reduce conduction losses in AC/DC adapters and bias power supplies.

Power Supply Controllers, Monitors Replacement Considerations

UCC24610DT

Power Supply Controllers, Monitors FAQ

What sensing technology does the UCC24610DR utilize?

It utilizes drain-source voltage sensing technology to control the synchronous rectifier MOSFET.

How does the device handle fault conditions?

It provides system protection by turning off the MOSFET if a short circuit or an excessively long duty cycle is detected.