ZHCSCA8A March   2014  – April 2019 TPS65286

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     Device Images
      1.      简化原理图
      2.      效率
        1.       修订历史记录
  4. 4 Pin Configuration and Functions
    1.     Pin Functions
  5. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 Typical Characteristics
  6. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Power Switch
        1. 6.3.1.1 Over Current Condition
        2. 6.3.1.2 Reverse Current and Voltage Protection
        3. 6.3.1.3 nFAULT1/2 Response
        4. 6.3.1.4 Under-Voltage Lockout (UVLO)
        5. 6.3.1.5 Enable and Output Discharge
        6. 6.3.1.6 Power Switch Input and Output Capacitance
        7. 6.3.1.7 Programming the Current-Limit Threshold
      2. 6.3.2 Buck DCDC Converter
        1. 6.3.2.1  Output Voltage
        2. 6.3.2.2  Clock Synchronization
        3. 6.3.2.3  Error Amplifier
        4. 6.3.2.4  Slope Compensation
        5. 6.3.2.5  Enable and Adjusting Under-Voltage Lockout
        6. 6.3.2.6  Soft-Start Time
        7. 6.3.2.7  Internal V7V Regulator
        8. 6.3.2.8  Hard Short Circuit Protection
        9. 6.3.2.9  Bootstrap Voltage (BST) and Low Dropout Operation
        10. 6.3.2.10 Thermal Performance
        11. 6.3.2.11 Loop Compensation
    4. 6.4 Device Functional Modes
      1. 6.4.1 Pulse Skipping Mode Operation
  7. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Applications
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
        1. 7.2.2.1 Step by Step Design Procedure
        2. 7.2.2.2 Related Parts
        3. 7.2.2.3 Inductor Selection
        4. 7.2.2.4 Output Capacitor Selection
        5. 7.2.2.5 Input Capacitor Selection
        6. 7.2.2.6 Soft-Start Capacitor Selection
        7. 7.2.2.7 Minimum Output Voltage
        8. 7.2.2.8 Compensation Component Selection
        9. 7.2.2.9 Auto-Retry Functionality of USB Switches
      3. 7.2.3 Application Performance Plots
  8. 8 Power Supply Recommendations
  9. 9 Layout
    1. 9.1 Layout Guidelines
    2. 9.2 Layout Example
  10. 10器件和文档支持
    1. 10.1 器件支持
      1. 10.1.1 第三方产品免责声明
    2. 10.2 接收文档更新通知
    3. 10.3 社区资源
    4. 10.4 商标
    5. 10.5 静电放电警告
    6. 10.6 术语表
  11. 11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

7.2.2.2 Related Parts

PART NO. DESCRIPTION COMMENTS
TPS65280 One buck converter and two USB switches 0.3 ≤ fSW ≤ 1.4 MHz, 4.5 V ≤ VIN ≤ 18 V, VOUT fixed 5 V, maximum DC current 4 A, 2.5 V ≤ VSW_IN ≤ 6 V, USB current limit fixed
1.2 A, with manufacture trim option.
TPS65281, TPS65281-1 One buck converter and one USB switch 0.3 ≤ fSW ≤ 1.4 MHz, 4.5 V ≤ VIN ≤ 18 V, VOUT adjustable, maximum DC current 4 A, 2.5 V ≤ VSW_IN ≤ 6 V, USB current limit adjustable form 75 mA to 2.7 A.
TPS65282 One buck converter and two USB switches 0.3 ≤ fSW ≤ 1.4 MHz, 4.5 V ≤ VIN ≤ 18 V, VOUT adjustable, maximum DC current 4 A, 2.5 V ≤ VSW_IN ≤ 6 V, USB current limit adjustable form 75 mA to 2.7 A.
TPS65287 Three buck converters and one USB switch 0.3 ≤ fSW ≤ 2.2 MHz, 4.5 V ≤ VIN ≤ 18 V, VOUT adjustable, maximum DC current 3/2/2 A, 2.5 V ≤ VSW_IN ≤ 6 V, USB current limit adjustable form 75 mA to 2.7 A.
TPS65288 Three buck converters and two USB switches 0.3 ≤ fSW ≤ 2.2 MHz, 4.5 V ≤ VIN ≤ 18 V, VOUT adjustable, maximum DC current 3/2/2 A, 2.5 V ≤ VSW_IN ≤ 6 V, USB current limit fixed 1.2 A, with manufacture trim option.