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UCC24610

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次级侧同步整流器控制器

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UCC24610

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产品详情

Operating temperature range (°C) -40 to 125 Control mode VDS sensing Topology Active-clamp flyback, Active-clamp forward, CCM, DCM, Forward, Full bridge, Half bridge, LLC, Quasi resonant Rating Catalog Features 600kHz operation, Automatic Light Load Management, Compatible with CCM, Synchronous Rectifier, VDS Sensing
Operating temperature range (°C) -40 to 125 Control mode VDS sensing Topology Active-clamp flyback, Active-clamp forward, CCM, DCM, Forward, Full bridge, Half bridge, LLC, Quasi resonant Rating Catalog Features 600kHz operation, Automatic Light Load Management, Compatible with CCM, Synchronous Rectifier, VDS Sensing
SOIC (D) 8 29.4 mm² 4.9 x 6 VSON (DRB) 8 9 mm² 3 x 3
  • Secondary-Side Controller Optimized for 5-V Systems
  • Up to 600-kHz Operating Frequency
  • VDS MOSFET-Sensing
  • 1.6-Ω Sink, 2.0-Ω Source Gate-Drive Impedances
  • Micro-Power Sleep Current for 90+ Designs
  • Automatic Light-Load Management
  • Synchronous Wake-Up From Sleep and Light-Load Modes
  • Protection Features on Programming Inputs
  • SYNC Input for CCM Operation
  • 20-ns Typical Turnoff Propagation Delay
  • Improved Efficiency and Design Flexibility Over Traditional Diode Solution
  • May Be Biased Directly From 5-V Output
  • Minimal Component Count
  • APPLICATIONS
    • AC-to-DC 5-V Adapters
    • 5-V Bias Supplies
    • Low Voltage Rectification Circuits
    • Flyback and LLC Converters
    •
  • Secondary-Side Controller Optimized for 5-V Systems
  • Up to 600-kHz Operating Frequency
  • VDS MOSFET-Sensing
  • 1.6-Ω Sink, 2.0-Ω Source Gate-Drive Impedances
  • Micro-Power Sleep Current for 90+ Designs
  • Automatic Light-Load Management
  • Synchronous Wake-Up From Sleep and Light-Load Modes
  • Protection Features on Programming Inputs
  • SYNC Input for CCM Operation
  • 20-ns Typical Turnoff Propagation Delay
  • Improved Efficiency and Design Flexibility Over Traditional Diode Solution
  • May Be Biased Directly From 5-V Output
  • Minimal Component Count
  • APPLICATIONS
    • AC-to-DC 5-V Adapters
    • 5-V Bias Supplies
    • Low Voltage Rectification Circuits
    • Flyback and LLC Converters
    •

    This GREEN Rectifier controller is a high-performance controller and driver for standard and logic-level N-channel MOSFET power devices used for low-voltage secondary-side synchronous rectification.

    The combination of controller and MOSFET emulates a near-ideal diode rectifier. This solution not only directly reduces power dissipation of the rectifier but also indirectly reduces primary-side losses as well, due to compounding of efficiency gains.

    Using drain-to-source voltage sensing, the UCC24610 is ideal for Flyback and LLC-resonant power supplies but can also be used with other power architectures. The UCC24610 is optimized for output voltages from 4.5 V to 5.5 V, and is suitable for use with lower and higher output voltages as well.

    The UCC24610 offers a programmable false-triggering filter, a programmable timer to automatically switch to light-load mode at light load, and a SYNC input for optional use in continuous conduction mode (CCM) systems. Protection features on TON and EN/TOFF pins prevent run-away on-time due to open-circuit or short-circuit fault conditions.

    This device is available in an 8-pin SOIC package and an 8-pin, 3.0-mm × 3.0-mm SON package with an exposed thermal pad.

    This GREEN Rectifier controller is a high-performance controller and driver for standard and logic-level N-channel MOSFET power devices used for low-voltage secondary-side synchronous rectification.

    The combination of controller and MOSFET emulates a near-ideal diode rectifier. This solution not only directly reduces power dissipation of the rectifier but also indirectly reduces primary-side losses as well, due to compounding of efficiency gains.

    Using drain-to-source voltage sensing, the UCC24610 is ideal for Flyback and LLC-resonant power supplies but can also be used with other power architectures. The UCC24610 is optimized for output voltages from 4.5 V to 5.5 V, and is suitable for use with lower and higher output voltages as well.

    The UCC24610 offers a programmable false-triggering filter, a programmable timer to automatically switch to light-load mode at light load, and a SYNC input for optional use in continuous conduction mode (CCM) systems. Protection features on TON and EN/TOFF pins prevent run-away on-time due to open-circuit or short-circuit fault conditions.

    This device is available in an 8-pin SOIC package and an 8-pin, 3.0-mm × 3.0-mm SON package with an exposed thermal pad.
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    技术文档

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    类型 标题 下载最新的英语版本 日期
    * 数据表 UCC24610 GREEN Rectifier™ Controller Device 数据表 (Rev. C) PDF | HTML 2015年 8月 12日
    更多文献资料 PCB layout guidelines to optimize power supply performance 2021年 3月 23日
    选择指南 电源管理指南 2018 (Rev. K) 2018年 7月 31日
    选择指南 电源管理指南 2018 (Rev. R) 2018年 6月 25日
    应用手册 UCC24610 and UCC24612 SR Range Extension Guide 2017年 12月 18日
    技术文章 USB Wall Chargers: Conveniences and Challenges PDF | HTML 2015年 10月 6日
    EVM 用户指南 Using the UCC28730EVM-552 10-W Adaptor Module With PSR and Wake-Up Monitor 2015年 2月 6日
    模拟设计期刊 USB 充电用高效 AC 适配器 英语版 2012年 3月 1日
    应用手册 用于高密度 AC/DC 适配器的高效率同步整流器反向 2011年 6月 3日
    用户指南 A 90-W High-Efficiency, LLC Series-Resonant Converter 2010年 11月 3日
    用户指南 Using the UCC24610EVM-693 2010年 9月 3日
    EVM 用户指南 Using the UCC24610EVM-563 2010年 7月 1日

    设计和开发

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    评估板

    UCC24610EVM-563 — 用于 UCC24610 二次侧同步整流器控制器的评估模块

    UCC24610EVM-563 是一款 5W、5V 的脱机 DCM 反向转换器，由 UCC24610 控制二次侧同步整流。初级侧控制则由 UCC28610 绿色环保模式反向控制器提供。
    用户指南: PDF
    TI.com 上无现货
    子卡

    UCC24610EVM-693 — 用于 UCC24610 二次侧同步整流器控制器的二极管替换演示卡

    UCC24610EVM-693 是一张二极管替换演示卡，可充当当前客户系统中肖特基二极管的替代品。该子卡由 UCC24610 控制器、适用于 5V、10W 输出转换器的 FET，以及支持组件组成。在移除已有的二极管后，仅需几根线缆即可将 UCC24610EVM-693 轻松连接到客户的转换器。
    用户指南: PDF
    TI.com 上无现货
    计算工具

    SLUC348 — UCC24610 Design Calculation Tool

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    UCC24610 — 次级侧同步整流器控制器
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    包含信息：
    • RoHS
    • REACH
    • 器件标识
    • 引脚镀层/焊球材料
    • MSL 等级/回流焊峰值温度
    • MTBF/时基故障估算
    • 材料成分
    • 鉴定摘要
    • 持续可靠性监测
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    • 制造厂地点
    • 封装厂地点

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