ZHCS785I February   2012  – January 2021 SN6501

PRODUCTION DATA  

  1. 特性
  2. 应用
  3. 说明
    1.     Revision History
  4. Pin Configuration and Functions
  5. Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 Handling Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 Switching Characteristics
    7. 5.7 Typical Characteristics
  6. Parameter Measurement Information
  7. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Push-Pull Converter
      2. 7.3.2 Core Magnetization
    4. 7.4 Device Functional Modes
      1. 7.4.1 Start-Up Mode
      2. 7.4.2 Operating Mode
      3. 7.4.3 Off-Mode
  8. Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 SN6501 Drive Capability
        2. 8.2.2.2 LDO Selection
        3. 8.2.2.3 Diode Selection
        4. 8.2.2.4 Capacitor Selection
        5. 8.2.2.5 Transformer Selection
          1. 8.2.2.5.1 V-t Product Calculation
          2. 8.2.2.5.2 Turns Ratio Estimate
          3. 8.2.2.5.3 Recommended Transformers
      3. 8.2.3 Application Curve
      4. 8.2.4 Higher Output Voltage Designs
      5. 8.2.5 Application Circuits
  9. Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 第三方米6体育平台手机版_好二三四免责声明
    2. 11.2 Trademarks
    3. 11.3 静电放电警告
    4. 11.4 术语表
  12. 12Mechanical, Packaging, and Orderable Information

说明

SN6501 是一款单片振荡器/电源驱动器,专门针对隔离接口应用中的小外形尺寸、隔离电源而设计。该器件通过 3.3V 或者 5V 直流 (DC) 电源驱动低高度中间抽头式变压器初级。根据变压器匝数比绕制次级侧以提供任意隔离式电压。

SN6501 由振荡器和栅极驱动电路组成,此电路提供互补输出信号,用于驱动以地为基准的 N 沟道开关管。内部逻辑确保了两个开关之间的先开后合操作。

SN6501 采用小型小外形尺寸晶体管 (SOT)-23 (5) 封装,并且其额定运行温度介于 –40°C 到 125°C 之间。

器件信息
器件型号(1)封装封装尺寸(标称值)
SN6501SOT-23 (5)2.90mm x 1.60mm
如需了解所有可用封装,请参阅数据表末尾的可订购米6体育平台手机版_好二三四附录。
GUID-5FBD9689-A05F-4DF0-BDDA-E6F494D0D37C-low.gif简化版原理图.
GUID-EC1F511A-AD85-487A-9CE1-7993E5AB9895-low.gif输出电压和效率与输出电流间的关系.