ZHCSHT5A July   2011  – March 2018 TPS61256A

PRODUCTION DATA.  

  1. 特性
  2. 应用范围
  3. 说明
    1.     Device Images
      1.      最小解决方案尺寸应用
      2.      效率与负载电流间的关系
  4. 修订历史记录
  5. Pin Configuration and Functions
    1.     Pin 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. Parameter Measurement Information
  8. Detailed Description
    1. 8.1 Overview
    2. 8.2 Softstart
    3. 8.3 Undervoltage Lockout
    4. 8.4 Thermal Regulation
    5. 8.5 Thermal Shutdown
    6. 8.6 Functional Block Diagram
    7. 8.7 Feature Description
      1. 8.7.1 Power-Save Mode
      2. 8.7.2 Current Limit Operation
      3. 8.7.3 Enable
      4. 8.7.4 Load Disconnect And Reverse Current Protection
    8. 8.8 Device Functional Modes
      1. 8.8.1 Load Disconnect And Reverse Current Protection
      2. 8.8.2 Softstart
      3. 8.8.3 Undervoltage Lockout
      4. 8.8.4 Thermal Regulation
      5. 8.8.5 Thermal Shutdown
  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 Inductor Selection
          1. 9.2.2.1.1 High-frequency Converter Applications
        2. 9.2.2.2 Output Capacitor
        3. 9.2.2.3 Input Capacitor
        4. 9.2.2.4 Checking Loop Stability
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
    3. 11.3 Thermal Information
  12. 12Package Summary
    1. 12.1 Package Dimensions
  13. 13器件和文档支持
    1. 13.1 器件支持
      1. 13.1.1 第三方产品免责声明
    2. 13.2 接收文档更新通知
    3. 13.3 社区资源
    4. 13.4 商标
    5. 13.5 静电放电警告
    6. 13.6 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)
  • YFF|9
散热焊盘机械数据 (封装 | 引脚)
订购信息

Typical Characteristics

TPS61256A tc3a_lvsag8.gif
Figure 1. Efficiency vs Output Current
TPS61256A tc5_lvsag8.gif
Figure 3. DC Output Voltage vs Output Current
TPS61256A tc7_lvsag8.gif
Figure 5. DC Output Voltage vs Input Voltage
TPS61256A tc9_lvsag8.gif
Figure 7. Peak-To-Peak Output Ripple Voltage vs Output Current
TPS61256A tc11_lvsag8.gif
Figure 9. DC Pre-Charge Currentvs Differential Input-Output Voltage
TPS61256A tc13_lvsag8.gif
Figure 11. Valley Current Limit
TPS61256A tc4_lvsag8.gif
Figure 2. Efficiency vs Input Voltage
TPS61256A tc6_lvsag8.gif
Figure 4. DC Output Voltage vs Output Current
TPS61256A tc8_lvsag8.gif
Figure 6. Maximum Output Currentvs Input Voltage
TPS61256A tc10_lvsag8.gif
Figure 8. Supply Currentvs Input Voltage
TPS61256A tc12_lvsag8.gif
Figure 10. DC Pre-Charge Currentvs Differential Input-Output Voltage
TPS61256A tc14_lvsag8.gif
Figure 12. MOSFET Rds(On) vs Temperature