ZHCSI42G June   2007  – April 2018 TPS62290 , TPS62291 , TPS62293

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
      2.      效率与输出电流间的关系
  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 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 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 Dynamic Voltage Positioning
      2. 8.3.2 Enable
      3. 8.3.3 Mode Selection
      4. 8.3.4 Undervoltage Lockout
      5. 8.3.5 Thermal Shutdown
    4. 8.4 Device Functional Modes
      1. 8.4.1 Soft-Start
      2. 8.4.2 Power Save Mode
      3. 8.4.3 100% Duty Cycle Low Dropout Operation
      4. 8.4.4 Short-Circuit Protection
  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 Output Voltage Setting
        2. 9.2.2.2 Output Filter Design (Inductor and Output Capacitor)
          1. 9.2.2.2.1 Inductor Selection
          2. 9.2.2.2.2 Output Capacitor Selection
          3. 9.2.2.2.3 Input Capacitor Selection
      3. 9.2.3 Application Curves
    3. 9.3 System Examples
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    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 Third-Party Products Disclaimer
    2. 12.2 相关链接
    3. 12.3 社区资源
    4. 12.4 商标
    5. 12.5 静电放电警告
    6. 12.6 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

9.2.3 Application Curves

TPS62290 TPS62291 TPS62293 eff1_v18_io_lvs764.gifFigure 7. Efficiency (Power Save Mode) vs Output Current, VOUT = 1.8 V
TPS62290 TPS62291 TPS62293 eff3_v33_io_lvs764.gifFigure 9. Efficiency (Power Save Mode) vs Output Current, VOUT = 3.3 V
TPS62290 TPS62291 TPS62293 vo_acc_lvs764.gifFigure 11. Output Voltage Accuracy (1.8-V Forced PWM Mode) vs Output Current
TPS62290 TPS62291 TPS62293 vo_acc3_lvs764.gifFigure 13. Output Voltage Accuracy 3.3-V Forced PWM Mode vs Output Current
TPS62290 TPS62291 TPS62293 typ_opr_pfm_lvs764.gifFigure 15. Typical Operation vs PFM Mode
TPS62290 TPS62291 TPS62293 pfm_lt_lvs764.gifFigure 17. PFM Load Transient
TPS62290 TPS62291 TPS62293 pfm_ltr_lvs764.gifFigure 19. PWM Load Transient
TPS62290 TPS62291 TPS62293 eff2_v18_io_lvs764.gifFigure 8. Efficiency (Forced PWM Mode) vs Output Current, VOUT = 1.8 V
TPS62290 TPS62291 TPS62293 eff4_v33_io_lvs764.gifFigure 10. Efficiency (Forced PWM Mode) vs Output Current, VOUT = 3.3 V
TPS62290 TPS62291 TPS62293 vo_acc4_lvs764.gifFigure 12. Output Voltage Accuracy (1.8-V Power Save Mode) vs Output Current
TPS62290 TPS62291 TPS62293 vo_acc2_lvs764.gifFigure 14. Output Voltage Accuracy 3.3-V Power Save Mode vs Output Current
TPS62290 TPS62291 TPS62293 typ_opr_pwm_lvs764.gifFigure 16. Typical Operation vs PWM Mode
TPS62290 TPS62291 TPS62293 pfm_lt2_lvs764.gifFigure 18. PFM Line Transient
TPS62290 TPS62291 TPS62293 pfm_ltr2_lvs764.gifFigure 20. PWM Line Transient