ZHCSR90B December   2022  – March 2023 TPSM33615 , TPSM33625

PRODUCTION DATA  

  1. 特性
  2. 应用
  3. 说明
  4. Revision History
  5. Device Comparison Table
  6. Pin Configuration and Functions
  7. Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 System Characteristics
    7. 7.7 Typical Characteristics
  8. Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1  Input Voltage Range
      2. 8.3.2  Output Voltage Selection
      3. 8.3.3  Input Capacitors
      4. 8.3.4  Output Capacitors
      5. 8.3.5  Enable, Start-Up, and Shutdown
      6. 8.3.6  External CLK SYNC (with MODE/SYNC)
        1. 8.3.6.1 Pulse-Dependent MODE/SYNC Pin Control
      7. 8.3.7  Switching Frequency (RT)
      8. 8.3.8  Power-Good Output Operation
      9. 8.3.9  Internal LDO, VCC and VOUT/FB Input
      10. 8.3.10 Bootstrap Voltage and VBOOT-UVLO (BOOT Terminal)
      11. 8.3.11 Spread Spectrum
      12. 8.3.12 Soft Start and Recovery from Dropout
        1. 8.3.12.1 Recovery from Dropout
      13. 8.3.13 Overcurrent Protection (Hiccup Mode)
      14. 8.3.14 Thermal Shutdown
    4. 8.4 Device Functional Modes
      1. 8.4.1 Shutdown Mode
      2. 8.4.2 Standby Mode
      3. 8.4.3 Active Mode
        1. 8.4.3.1 CCM Mode
        2. 8.4.3.2 Auto Mode – Light-Load Operation
          1. 8.4.3.2.1 Diode Emulation
          2. 8.4.3.2.2 Frequency Reduction
        3. 8.4.3.3 FPWM Mode – Light-Load Operation
        4. 8.4.3.4 Minimum On-Time (High Input Voltage) Operation
        5. 8.4.3.5 Dropout
  9. Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Choosing the Switching Frequency
        2. 9.2.2.2 Setting the Output Voltage
        3. 9.2.2.3 Input Capacitor Selection
        4. 9.2.2.4 Output Capacitor Selection
        5. 9.2.2.5 VCC
        6. 9.2.2.6 CFF Selection
        7. 9.2.2.7 Power Good Signal
        8. 9.2.2.8 Maximum Ambient Temperature
        9. 9.2.2.9 Other Connections
      3. 9.2.3 Application Curves
    3. 9.3 Best Design Practices
    4. 9.4 Power Supply Recommendations
    5. 9.5 Layout
      1. 9.5.1 Layout Guidelines
        1. 9.5.1.1 Ground and Thermal Considerations
      2. 9.5.2 Layout Example
  10. 10Device and Documentation Support
    1. 10.1 Device Support
      1. 10.1.1 第三方产品免责声明
      2. 10.1.2 Device Nomenclature
    2. 10.2 Documentation Support
      1. 10.2.1 Related Documentation
    3. 10.3 接收文档更新通知
    4. 10.4 支持资源
    5. 10.5 Trademarks
    6. 10.6 静电放电警告
    7. 10.7 术语表
  11. 11Mechanical, Packaging, and Orderable Information

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

特性

  • 功能安全型
  • 多功能同步降压直流/直流模块:
    • 集成 MOSFET、电感器、CBOOT 电容器和控制器
    • 宽输入电压范围:3V 至 36V
    • 高达 40 V 的输入瞬态保护
    • 结温范围为 –40°C 至 +125°C
    • 4.5mm × 3.5mm × 2mm 超模压塑料封装
    • 使用 RT 引脚可在 200kHz 至 2.2MHz 范围内调节频率
  • 在整个负载范围内具有超高效率:
    • 在 12V VIN
      5V VOUT、1MHz、IOUT = 2.5A 时效率高于 88%
    • 在 VIN = 24V、
      VOUT = 5V、1MHz、IOUT = 2.5A 时效率高于 87%
    • 在 VIN = 13.5V 时待机 IQ 低至 1.5µA
  • 针对超低 EMI 要求进行了优化:
  • 输出电压和电流选项:
    • 可调输出电压范围为 1V 至 15V
  • 使用 TPSM336x5 并借助 WEBENCH® Power Designer 创建定制设计方案
  • 适用于可扩展电源:
    • 与以下器件引脚兼容:
      • TPSM365R6(65V,600mA)