JAJSH37A August   2019  – August 2019 TPS56C230

PRODUCTION DATA.  

  1. 1 特長
  2. 2 アプリケーション
  3. 3 概要
    1.     Device Images
      1.      概略回路図
      2.      効率と出力電流との関係、Eco-mode
  4. 4 改訂履歴
  5. 5 概要（続き）
  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  PWM Operation and D-CAP3 Control
      2. 8.3.2  Soft Start
      3. 8.3.3  Large Duty Operation
      4. 8.3.4  Power Good
      5. 8.3.5  Overcurrent Protection and Undervoltage Protection
      6. 8.3.6  Overvoltage Protection
      7. 8.3.7  Out-of-Bounds Operation
      8. 8.3.8  UVLO Protection
      9. 8.3.9  Output Voltage Discharge
      10. 8.3.10 Thermal Shutdown
    4. 8.4 Device Functional Modes
      1. 8.4.1 Light Load Operation
      2. 8.4.2 Eco-mode Control
      3. 8.4.3 Force CCM
      4. 8.4.4 Mode Selection
      5. 8.4.5 Standby Operation
  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 Custom Design With WEBENCH® Tools
        2. 9.2.2.2 Output Voltage Set Point
        3. 9.2.2.3 MODE Selection
        4. 9.2.2.4 Inductor Selection
        5. 9.2.2.5 Output Capacitor Selection
        6. 9.2.2.6 Input Capacitor Selection
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12デバイスおよびドキュメントのサポート
    1. 12.1 デバイス・サポート
      1. 12.1.1 デベロッパー・ネットワークの製品に関する免責事項
      2. 12.1.2 開発サポート
        1. 12.1.2.1 WEBENCH®ツールによるカスタム設計
    2. 12.2 ドキュメントの更新通知を受け取る方法
    3. 12.3 コミュニティ・リソース
    4. 12.4 商標
    5. 12.5 静電気放電に関する注意事項
    6. 12.6 Glossary
  13. 13メカニカル、パッケージ、および注文情報

9.2.3 Application Curves

Figure 19 through Figure 34 apply to the circuit of Figure 18. VIN = 12 V. TA = 25°C unless otherwise specified.

TPS56C230 D000-Efficiency1.gif
1.
Figure 19. Efficiency Curve
TPS56C230 D033-Fswline1.gif
1.
IOUT = 12 A
Figure 21. Switching Frequency vs Input Voltage
TPS56C230 D032-LoadRegulation.gif
1.
Figure 20. Load Regulation
TPS56C230 D034-Fswload1.gif
1.
Figure 22. Switching Frequency vs Output Load
TPS56C230 D035-LineReg1.gif
1.
IOUT=0.1A
Figure 23. Line Regulation
TPS56C230 fbd-03-slvsde4.gif
1.
IOUT = 6A
Figure 25. Start-Up Through EN
TPS56C230 fbd-01-slvsde4.gif
1.
IOUT = 6 A
Figure 27. Start Up Relative to VIN Rising
TPS56C230 fbd-05-slvsde4.gif
1.
IOUT = 0.1 A
Figure 29. Output Voltage Ripple
TPS56C230 fbd-07-slvsde4.gif
1.
1.2 A to 10.8 A Slew Rate=2.5A/us
Figure 31. Transient Response
TPS56C230 fbd-09-slvsde4.gif
1.
Figure 33. Normal Operation to Output Hard Short
TPS56C230 D036-LineReg2.gif
1.
IOUT=12A
Figure 24. Line Regulation
TPS56C230 fbd-04-slvsde4.gif
1.
IOUT = 6A
Figure 26. Shut-down Through EN
TPS56C230 fbd-02-slvsde4.gif
IOUT = 6 A
Figure 28. Shut Down Relative to VIN Falling
TPS56C230 fbd-06-slvsde4.gif
1.
IOUT = 12 A
Figure 30. Output Voltage Ripple
TPS56C230 fbd-08-slvsde4.gif
0 A to 12 A Slew Rate=2.5A/us
Figure 32. Transient Response
TPS56C230 fbd-10-slvsde4.gif
Figure 34. Output Hard Short Hiccup Protection