ZHCSPL6 January   2022 TPS7H4003-SEP

PRODUCTION DATA  

  1. 特性
  2. 应用
  3. 说明
  4. Revision History
  5. Pin Configuration and Functions
  6. Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Typical Characteristics
  7. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1  VIN and Power VIN Pins (VIN and PVIN)
      2. 7.3.2  Voltage Reference
      3. 7.3.3  Adjusting the Output Voltage
      4. 7.3.4  Safe Start-Up Into Prebiased Outputs
      5. 7.3.5  Error Amplifier
      6. 7.3.6  Enable and Adjust UVLO
      7. 7.3.7  Adjustable Switching Frequency and Synchronization (SYNC)
        1. 7.3.7.1 Internal Oscillator Mode
        2. 7.3.7.2 External Synchronization Mode
        3. 7.3.7.3 Primary-Secondary Operation Mode
      8. 7.3.8  Soft-Start (SS/TR)
      9. 7.3.9  Power Good (PWRGD)
      10. 7.3.10 Sequencing
      11. 7.3.11 Output Overvoltage Protection (OVP)
      12. 7.3.12 Overcurrent Protection
        1. 7.3.12.1 High-Side MOSFET Overcurrent Protection
        2. 7.3.12.2 Low-Side MOSFET Overcurrent Protection
      13. 7.3.13 Thermal Shutdown
      14. 7.3.14 Turn-On Behavior
      15. 7.3.15 Slope Compensation
        1. 7.3.15.1 Slope Compensation Requirements
      16. 7.3.16 Small Signal Model for Frequency Compensation
    4. 7.4 Device Functional Modes
      1. 7.4.1 Fixed-Frequency PWM Control
  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 Operating Frequency
        2. 8.2.2.2 Output Inductor Selection
        3. 8.2.2.3 Output Capacitor Selection
        4. 8.2.2.4 Output Schottky Diode
        5. 8.2.2.5 Input Capacitor Selection
        6. 8.2.2.6 Soft-Start Capacitor Selection
        7. 8.2.2.7 Undervoltage Lockout (UVLO) Set Point
        8. 8.2.2.8 Output Voltage Feedback Resistor Selection
          1. 8.2.2.8.1 Minimum Output Voltage
        9. 8.2.2.9 Compensation Component Selection
      3. 8.2.3 Parallel Operation
      4. 8.2.4 Application Curve
  9. Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Documentation Support
      1. 11.1.1 Related Documentation
    2. 11.2 接收文档更新通知
    3. 11.3 支持资源
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 术语表
  12. 12Mechanical, Packaging, and Orderable Information

特性

  • 辐射性能:
    • SEL、SEB 和 SEGR 对于
      LET 的抗扰度高达 43MeV-cm2/mg
    • SET 和 SEFI 的
      LET 特征值高达 43MeV-cm2/mg
    • 每个晶圆批次的保障 TID 高达
      50krad(Si)
  • 峰值效率:94%(100kHz 时,VO = 1V)
  • 集成式 17mΩ 和 9mΩ MOSFET
  • 电源轨:3V 至 7V(输入电压)
  • 灵活的开关频率选项:
    • 100kHz 至 1MHz 可调内部振荡器
    • 外部同步功能:100kHz 至 1MHz
    • 可将 SYNC 引脚配置为 500kHz 时钟频率、90° 相位差以并联多达 4 个器件
  • 在温度、辐射以及线路和负载调节范围内提供 0.6V ±1.7% 的基准电压
  • 单调启动至预偏置输出
  • 可调斜坡补偿和软启动
  • 可实现电源定序的可调输入使能和电源正常输出
  • 44 引脚 PowerPAD™ HTSSOP 封装
  • 增强型航天塑料:
    • 受控基线
    • Au 键合线和 NiPdAu 铅涂层
    • 采用增强型模塑化合物实现低释气
    • 制造、组装和测试一体化基地
    • 延长了米6体育平台手机版_好二三四生命周期
    • 延长了米6体育平台手机版_好二三四变更通知
    • 米6体育平台手机版_好二三四可追溯性
功能图