ZHCSCG9C May   2014  – July 2019 TPS62150A-Q1 , TPS62152A-Q1 , TPS62153A-Q1

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     Device Images
      1.      典型应用电路原理图 空白 空白 空白
      2.      效率与输出电流 空白
  4. 4 修订历史记录
  5. 5 Device Comparison Table
  6. 6 Pin Configuration and Functions
    1.     Pin Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 Handling Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Typical Characteristics
  8. 8 Parameter Measurement Information
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1  Pulse Width Modulation (PWM) Operation
      2. 9.3.2  Power Save Mode Operation
      3. 9.3.3  100% Duty-Cycle Operation
      4. 9.3.4  Enable / Shutdown (EN)
      5. 9.3.5  Soft Start / Tracking (SS/TR)
      6. 9.3.6  Current Limit And Short Circuit Protection
      7. 9.3.7  Power Good (PG)
      8. 9.3.8  Pin-Selectable Output Voltage (DEF)
      9. 9.3.9  Frequency Selection (FSW)
      10. 9.3.10 Under Voltage Lockout (UVLO)
      11. 9.3.11 Thermal Shutdown
    4. 9.4 Device Functional Modes
      1. 9.4.1 Operation above TJ=125°C
      2. 9.4.2 Operation with VIN < 3V
      3. 9.4.3 Operation with separate EN Control
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application
      1. 10.2.1 TPS62150A-Q1 Point-Of-Load Step Down Converter
        1. 10.2.1.1 Design Requirements
        2. 10.2.1.2 Detailed Design Procedure
          1. 10.2.1.2.1 Custom Design With WEBENCH® Tools
          2. 10.2.1.2.2 Programming The Output Voltage
          3. 10.2.1.2.3 External Component Selection
          4. 10.2.1.2.4 Inductor Selection
          5. 10.2.1.2.5 Output Capacitor
          6. 10.2.1.2.6 Input Capacitor
          7. 10.2.1.2.7 Soft Start Capacitor
          8. 10.2.1.2.8 Tracking Function
          9. 10.2.1.2.9 Output Filter And Loop Stability
        3. 10.2.1.3 Application Curves
      2. 10.2.2 System Examples
        1. 10.2.2.1 Regulated Power LED Supply
        2. 10.2.2.2 Inverting Power Supply
        3. 10.2.2.3 Active Output Discharge
        4. 10.2.2.4 Various Output Voltages
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  13. 13器件和文档支持
    1. 13.1 器件支持
      1. 13.1.1 第三方米6体育平台手机版_好二三四免责声明
    2. 13.2 相关链接
    3. 13.3 接收文档更新通知
    4. 13.4 社区资源
    5. 13.5 商标
    6. 13.6 静电放电警告
    7. 13.7 Glossary
  14. 14机械、封装和可订购信息

封装选项

请参考 PDF 数据表获取器件具体的封装图。

机械数据 (封装 | 引脚)
  • RGT|16
散热焊盘机械数据 (封装 | 引脚)
订购信息

9.3.4 Enable / Shutdown (EN)

When Enable (EN) is set High, the device starts operation. Shutdown is forced if EN is pulled Low with a shutdown current of typically 1.5µA. During shutdown, the internal power MOSFETs as well as the entire control circuitry are turned off. The internal resistive divider pulls down the output voltage smoothly. The EN signal must be set externally to High or Low. The typical threshold values are 0.65V (rising) and 0.45V (falling). An internal pull-down resistor of about 400kΩ is connected and keeps EN logic low, if Low is set initially and then the pin gets floating. It is disconnected if the pin is set High.

Connecting the EN pin to an appropriate output signal of another power rail provides sequencing of multiple power rails.
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