ZHCSIY3C March   2019  – August 2019 TPS568230

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     Device Images
      1.      典型应用
      2.      效率与输出电流 ECO 模式
  4. 4 修订历史记录
  5. 5 Pin Configuration and Functions
    1.     Pin Functions
  6. 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. 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. 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. 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 第三方产品免责声明
    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

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

8.2.3 Application Curves

Figure 31 through Figure 44 apply to the circuit of Figure 30. VIN = 12 V. TJ = 25°C unless otherwise specified.

TPS568230 D033-1V_600K_PSM_Eff_diff_Vin_EAON.gif
1.
Figure 31. Efficiency Curve
TPS568230 D025-1V_PSM_FSW_VIN_600K8A.gif
1.
IOUT = 8 A
Figure 33. Switching Frequency vs Input Voltage
TPS568230 D019-1V_PSM_LoadRegEAON.gif
1.
Figure 32. Load Regulation
TPS568230 D047-1V_PSM_FSW_load_diff_VIN_600k.gif
1.
Figure 34. Switching Frequency vs Output Load
TPS568230 D021-1V_PSM_LineReg_10mA_EAON.gif
1.
Figure 35. Line Regulation,IOUT = 0.01 A
TPS568230 fbd-02-slvse32.gif
1.
Figure 37. Output Voltage Ripple, IOUT = 0.01 A
TPS568230 fbd-04-slvse32.gif
1.
Figure 39. Start-Up Through EN, IOUT = 4A
TPS568230 fbd-06-slvse32.gif
1.
Figure 41. Start Up Relative to VIN Rising, IOUT = 4 A
TPS568230 fbd-08-slvse32.gif
1.
Slew Rate=2.5A/us
Figure 43. Transient Response, 0.8 A to 7.2 A
TPS568230 D021-1V_PSM_LineReg_8A_EAON.gif
1.
Figure 36. Line Regulation,IOUT = 8 A
TPS568230 fbd-03-slvse32.gif
1.
Figure 38. Output Voltage Ripple, IOUT = 8 A
TPS568230 fbd-05-slvse32.gif
1.
Figure 40. Shut-down Through EN, IOUT = 4A
TPS568230 fbd-07-slvse32.gif
Figure 42. Start Up Relative to VIN Falling, IOUT = 4 A
TPS568230 fbd-09-slvse32.gif
1.
Slew Rate=2.5A/us
Figure 44. Transient Response, 0 A to 8 A