JAJSGE5C March   2019  – August 2019 TPS568230

PRODUCTION DATA.  

  1. 1 特長
  2. 2 アプリケーション
  3. 3 概要
    1.     Device Images
      1.      代表的なアプリケーション
      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 Over Current Protection and Undervoltage Protection
      6. 8.3.6 Over Voltage Protection
      7. 8.3.7 UVLO Protection
      8. 8.3.8 Output Voltage Discharge
      9. 8.3.9 Thermal Shutdown
    4. 8.4 Device Functional Modes
      1. 8.4.1 Light Load Operation
      2. 8.4.2 Advanced Eco-mode Control
      3. 8.4.3 Out of Audio Mode
      4. 8.4.4 Force CCM Mode
      5. 8.4.5 Mode Selection
      6. 8.4.6 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 External Component Selection
          1. 9.2.2.1.1 Output Voltage Set Point
          2. 9.2.2.1.2 Inductor Selection
          3. 9.2.2.1.3 Output Capacitor Selection
          4. 9.2.2.1.4 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. 12.2 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

パッケージ・オプション

メカニカル・データ（パッケージ｜ピン）
サーマルパッド・メカニカル・データ
発注情報

9.2.3 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