UCC24610DRBR

Power Supply Controllers, Monitors Overview

The UCC24610DRBR is a secondary-side synchronous rectifier controller from Texas Instruments, designed for flyback, forward, and LLC converters. It operates within a supply voltage range of 4.5 V to 5.5 V and features a single half-bridge driver with 3 A output current capability. The device supports continuous conduction mode via a dedicated SYNC pin. Key timing parameters include a maximum turn-on delay of 70 ns and a maximum turn-off delay of 35 ns. It functions reliably across an operating temperature range of -40°C to +125°C and is housed in an 8-SON (3x3) package.

Power Supply Controllers, Monitors Feature Summary

• Integrates a high-current half-bridge gate driver optimized for secondary-side synchronous rectification applications.
• Includes a dedicated synchronization input pin to enable precise control in continuous conduction mode topologies.
• Provides robust protection mechanisms inherent to the GREEN Rectifier family for reliable power conversion.

Power Supply Controllers, Monitors Applications

• Flyback converter designs
• Forward converter architectures
• LLC resonant converter systems

Power Supply Controllers, Monitors Procurement Notes

Verify the specific ordering suffix DRBR corresponds to the 8-SON package and reel packaging configuration. Confirm that the component meets RoHS3 compliance requirements for your assembly process. Ensure the selected variant aligns with the required operating temperature range and electrical specifications for the target power supply design.

Power Supply Controllers, Monitors Selection Notes

Select this controller for isolated AC/DC converters requiring efficient secondary-side rectification. The device is suitable for designs prioritizing low standby power and high efficiency in CCM operation. Consider the 8-SON footprint constraints and thermal dissipation capabilities when finalizing the PCB layout for the application.

Power Supply Controllers, Monitors Part Context

The UCC24610 belongs to the GREEN Rectifier family, focusing on enhancing efficiency in offline switch-mode power supplies. This specific part number represents the tape-and-reel version of the controller, facilitating automated surface-mount assembly. It complements primary-side controllers by managing the synchronous rectifier MOSFETs directly.

Power Supply Controllers, Monitors FAQ

What is the purpose of the SYNC pin?

The SYNC pin allows the controller to synchronize with the primary side switching signal, enabling accurate dead-time control and optimal performance in continuous conduction mode.

Does the UCC24610 support discontinuous conduction mode?

While primarily optimized for continuous conduction mode via the SYNC pin, the controller can operate in other modes depending on the external circuit configuration and timing signals provided.