ZHCSDN8 March   2015 TPS51275B-1

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 典型应用图
  5. 5 修订历史记录
  6. 6 Pin Configuration and Functions
  7. 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 Timing Requirements
    7. 7.7 Switching Characteristics
    8. 7.8 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1  PWM Operations
      2. 8.3.2  Adaptive On-Time and PWM Frequency Control
      3. 8.3.3  Light-Load Condition in Out-of-Audio Operation
      4. 8.3.4  Enable and Power Good
      5. 8.3.5  Soft-Start and Discharge
      6. 8.3.6  VREG5 and VREG3 Linear Regulators
      7. 8.3.7  VCLK for Charge Pump
      8. 8.3.8  Overcurrent Protection
      9. 8.3.9  Output Overvoltage and Undervoltage Protection
      10. 8.3.10 Undervoltage Lockout Protection
      11. 8.3.11 Over-Temperature Protection (OTP)
    4. 8.4 Device Functional Modes
      1. 8.4.1 D-CAP Mode
  9. 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 External Components Selection
          1. 9.2.2.1.1 Step 1. Determine the Value of R1 and R2
          2. 9.2.2.1.2 Step 2. Select the Inductor
          3. 9.2.2.1.3 Step 3. Select Output Capacitors
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
      1. 11.1.1 Placement
      2. 11.1.2 Routing (Sensitive Analog Portion)
      3. 11.1.3 Routing (Power portion)
    2. 11.2 Layout Example
  12. 12器件和文档支持
    1. 12.1 器件支持
      1. 12.1.1 第三方产品免责声明
    2. 12.2 商标
    3. 12.3 静电放电警告
    4. 12.4 术语表
  13. 13机械、封装和可订购信息

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

10 Power Supply Recommendations

The TPS51275B-1 device is designed to operate with an input supply-voltage range of 5 to 24 V. Ensure that the power-supply voltage in this range.