ZHCSIY3C March   2019  – August 2019 TPS568230

PRODUCTION DATA.  

  1. 特性
  2. 应用
  3. 说明
    1.     Device Images
      1.      典型应用
      2.      效率与输出电流 ECO 模式
  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. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 PWM Operation and D-CAP3 Control
      2. 7.3.2 Soft Start
      3. 7.3.3 Large Duty Operation
      4. 7.3.4 Power Good
      5. 7.3.5 Over Current Protection and Undervoltage Protection
      6. 7.3.6 Over Voltage Protection
      7. 7.3.7 UVLO Protection
      8. 7.3.8 Output Voltage Discharge
      9. 7.3.9 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Light Load Operation
      2. 7.4.2 Advanced Eco-mode Control
      3. 7.4.3 Out of Audio Mode
      4. 7.4.4 Force CCM Mode
      5. 7.4.5 Mode Selection
      6. 7.4.6 Standby Operation
  8. Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 External Component Selection
          1. 8.2.2.1.1 Output Voltage Set Point
          2. 8.2.2.1.2 Inductor Selection
          3. 8.2.2.1.3 Output Capacitor Selection
          4. 8.2.2.1.4 Input Capacitor Selection
      3. 8.2.3 Application Curves
  9. Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11器件和文档支持
    1. 11.1 器件支持
      1. 11.1.1 第三方米6体育平台手机版_好二三四免责声明
    2. 11.2 接收文档更新通知
    3. 11.3 社区资源
    4. 11.4 商标
    5. 11.5 静电放电警告
    6. 11.6 Glossary
  12. 12机械、封装和可订购信息

Typical Characteristics

TJ=-40oC to 125oC, VVIN=12V(unless otherwise noted)
TPS568230 D001-VINsupplycurrentvsTempEAON.gif
VEN = 3.3 V
Figure 1. Supply Current vs Junction Temperature
TPS568230 D003-VFBvsTempnew.gif
Figure 3. Feedback Voltage vs Junction Temperature
TPS568230 D005-ENoffvsTempnew.gif
Figure 5. Enable Off Voltage vs Junction Temperature
TPS568230 D012-highside_rdson_vsTemp.gif
Figure 7. Low-Side RDS(on) vs Junction Temperature
TPS568230 D007-UVPvsTemp.gif
Figure 9. UVP Threshold vs Junction Temperature
TPS568230 D009-Valley_current_vsTemp.gif
Figure 11. Valley Current Limit vs Junction Temperature
TPS568230 D027-600K_PSM_Eff_diff_Vo_EAON.gif
Figure 13. Efficiency, Eco-mode, FSW = 600 kHz
TPS568230 D029-600K_FCCM_Eff_diff_Vo.gif
Figure 15. Efficiency, FCCM, FSW = 600 kHz
TPS568230 D031-1M_OOA_Eff_diff_Vo.gif
Figure 17. Efficiency, OOA-mode, FSW = 1 MHz
TPS568230 D035-5V_800K_PSM_LoadReg_diff_Vin_EAON.gif
Figure 19. Load Regulation, Eco-mode, FSW = 600 kHz
TPS568230 D036-1V_OOA_FSW_load_diff_VIN_600k.gif
Figure 21. FSW Load Regulation, OOA-mode, FSW = 600 kHz
TPS568230 D038-1V_PSM_FSW_load_diff_VIN_800k.gif
Figure 23. FSW Load Regulation, Eco-mode, FSW = 800 kHz
TPS568230 D040-1V_FCCM_FSW_load_diff_VIN_800k.gif
Figure 25. FSW Load Regulation, FCCM, FSW = 800 kHz
TPS568230 D045-FCCM_FSW_load_diff_Vo_800K.gif
Figure 27. FSW Load Regulation, FCCM, FSW = 800 kHz
TPS568230 D002-shutdowncurrentvsTempnew.gif
VEN = 0 V
Figure 2. Shutdown Current vs Temperature
TPS568230 D004-ENonvsTemp.gif
Figure 4. Enable On Voltage vs Junction Temperature
TPS568230 D011-highside_rdson_vsTemp.gif
Figure 6. High-Side RDS(on) vs Junction Temperature
TPS568230 D006-OVPvsTemp.gif
Figure 8. OVP Threshold vs Junction Temperature
TPS568230 D008-discharge_resistor_vsTemp.gif
Figure 10. Discharge Resistor vs Junction Temperature
TPS568230 D010-softstart_time_vsTemp.gif
Figure 12. Soft-Start Time vs Junction Temperature
TPS568230 D028-600K_OOA_Eff_diff_Vo.gif
Figure 14. Efficiency, OOA-mode, FSW = 600 kHz
TPS568230 D030-1M_PSM_Eff_diff_Vo_EAON.gif
Figure 16. Efficiency, Eco-mode, FSW = 1 MHz
TPS568230 D032-1M_FCCM_Eff_diff_Vo.gif
Figure 18. Efficiency, FCCM, FSW = 1 MHz
TPS568230 D023-1V_PSM_FSW_load_diff_VIN_600k.gif
Figure 20. FSW Load Regulation, Eco-mode, FSW = 600 kHz
TPS568230 D037-1V_FCCM_FSW_load_diff_VIN_600k.gif
Figure 22. FSW Load Regulation, FCCM, FSW = 600 kHz
TPS568230 D039-1V_OOA_FSW_load_diff_VIN_800k.gif
Figure 24. FSW Load Regulation, OOA-mode, FSW = 800 kHz
TPS568230 D044-FCCM_FSW_load_diff_Vo_600K.gif
Figure 26. FSW Load Regulation, FCCM, FSW = 600 kHz
TPS568230 D046-FCCM_FSW_load_diff_Vo_1M.gif
Figure 28. FSW Load Regulation, FCCM, FSW = 1 MHz