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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

正在供货
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产品详情

Topology Active-clamp flyback, Active-clamp forward, Buck-Boost, CCM, DCM, Flyback, Forward, Half bridge, LLC, LLC half-bridge, Quasi resonant Control mode VDS sensing Features 600kHz operation, Automatic Light Load Management, Compatible with CCM, SYNC Pin for CCM, SYNC pin for CCM, Synchronous Rectifier, VDS Sensing Sector Test & measurement
Topology Active-clamp flyback, Active-clamp forward, Buck-Boost, CCM, DCM, Flyback, Forward, Half bridge, LLC, LLC half-bridge, Quasi resonant Control mode VDS sensing Features 600kHz operation, Automatic Light Load Management, Compatible with CCM, SYNC Pin for CCM, SYNC pin for CCM, Synchronous Rectifier, VDS Sensing Sector Test & measurement
VSON (DRB) 8 9 mm² (3 mm × 3 mm) SOIC (D) 8 29.4 mm² (4.9 mm × 6 mm)
  • 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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    顶层文档 类型 标题 格式选项 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 2015-8-12
    更多文献资料 PCB layout guidelines to optimize power supply performance 2021-3-23
    选择指南 电源管理指南 2018 2018-7-31
    应用手册 UCC24610 and UCC24612 SR Range Extension Guide 2017-12-18
    技术文章 USB Wall Chargers: Conveniences and Challenges PDF | HTML 2015-10-6
    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 2011-6-3
    用户指南 A 90-W High-Efficiency, LLC Series-Resonant Converter 2010-11-3
    用户指南 Using the UCC24610EVM-693 2010-9-3

    设计与开发

    如需其他信息或资源，请点击以下任一标题进入详情页面查看（如有）。

    评估板

    UCC24610EVM-563 — UCC24610 次级侧同步整流器控制器的评估模块

    UCC24610EVM-563 是一款 25W、5V 离线 DCM 反激式转换器，具有由 UCC24610 控制的次级侧同步整流功能。初级侧控制由 UCC28610 绿色模式反激式控制器提供。
    用户指南: PDF
    支持的产品和硬件
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    无货
    子卡

    UCC24610EVM-693 — 用于 UCC24610 次级侧同步整流器控制器的二极管替代演示卡

    UCC24610EVM-693 是一种二极管替代演示卡，用于替代现有客户系统中的肖特基二极管。 该子卡包含 UCC24610 控制器、适用于 5V、10W 输出转换器的 FET 和支持元件。移除现有二极管后，UCC24610EVM-693 只需几根导线即可轻松连接到客户的转换器。
    支持的产品和硬件
    有库存
    限制：
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    无货
    计算工具

    SLUC348 — UCC24610 Design Calculation Tool

    支持的产品和硬件

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    通过我们的参考设计选择工具来审查并确定最适用于您应用和参数的设计。
    封装 引脚 CAD 符号、封装和 3D 模型
    VSON (DRB) 8 Ultra Librarian
    SOIC (D) 8 Ultra Librarian
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