JAJSVB0 September   2024 TPS51388

PRODUCTION DATA  

  1.   1
  2. 1 特長
  3. 2 アプリケーション
  4. 3 概要
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1  PWM Operation and D-CAP3™ Control Mode
      2. 6.3.2  VCC Switchover Function
      3. 6.3.3  Soft Start
      4. 6.3.4  Large Duty Operation
      5. 6.3.5  Power Good
      6. 6.3.6  Overcurrent Protection and Undervoltage Protection
      7. 6.3.7  Overvoltage Protection
      8. 6.3.8  UVLO Protection
      9. 6.3.9  Output Voltage Discharge
      10. 6.3.10 Thermal Shutdown
    4. 6.4 Device Functional Modes
      1. 6.4.1 Light Load Operation
      2. 6.4.2 Advanced Eco-mode Control
      3. 6.4.3 Out-of-Audio™ Mode
      4. 6.4.4 Mode Selection
      5. 6.4.5 Standby Operation
  8. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
        1. 7.2.2.1 Custom Design With WEBENCH® Tools
        2. 7.2.2.2 External Component Selection
          1. 7.2.2.2.1 VOUT and FB Pin Configuration
          2. 7.2.2.2.2 MODE Selection
          3. 7.2.2.2.3 Inductor Selection
          4. 7.2.2.2.4 Output Capacitor Selection
          5. 7.2.2.2.5 Input Capacitor Selection
      3. 7.2.3 Application Curves
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Device Support
      1. 8.1.1 Development Support
        1. 8.1.1.1 Custom Design With WEBENCH® Tools
    2. 8.2 Documentation Support
      1. 8.2.1 Related Documentation
    3. 8.3 ドキュメントの更新通知を受け取る方法
    4. 8.4 サポート・リソース
    5. 8.5 Trademarks
    6. 8.6 静電気放電に関する注意事項
    7. 8.7 用語集
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information
    1. 10.1 Tape and Reel Information

パッケージ・オプション

デバイスごとのパッケージ図は、PDF版データシートをご参照ください。

メカニカル・データ（パッケージ｜ピン）
  • VAB|13
サーマルパッド・メカニカル・データ
発注情報

7.2.3 Application Curves

Figure 7-2 through Figure 7-19 apply to the circuit of Figure 7-1. VIN = 12V, VOUT = 5.15V, FSW = 600kHz, TA = 25°C, unless otherwise specified.

TPS51388 Efficiency Curve, 600kHz, VOUT = 5.15VFigure 7-2 Efficiency Curve, 600kHz, VOUT = 5.15V
TPS51388 Efficiency Curve, 600kHz, VOUT = 3.3VFigure 7-4 Efficiency Curve, 600kHz, VOUT = 3.3V
TPS51388 Switching Frequency vs Input Voltage, IOUT = 6A Figure 7-6 Switching Frequency vs Input Voltage, IOUT = 6A
TPS51388 Load Regulation, Vin = 12V / 19.5V Figure 7-8 Load Regulation, Vin = 12V / 19.5V
TPS51388 Start-Up Through EN, IOUT = 12A Figure 7-10 Start-Up Through EN, IOUT = 12A
TPS51388 Start-Up Relative to VIN Rising, IOUT = 12AFigure 7-12 Start-Up Relative to VIN Rising,
IOUT = 12A
TPS51388 Output Voltage Ripple, IOUT = 0.1A Figure 7-14 Output Voltage Ripple, IOUT = 0.1A
TPS51388 Output Voltage Ripple, IOUT = 12A Figure 7-16 Output Voltage Ripple, IOUT = 12A
TPS51388 Transient Response, 1.2A to 10.8A, Slew Rate = 1.6A/μsFigure 7-18 Transient Response, 1.2A to 10.8A,
Slew Rate = 1.6A/μs
TPS51388 Efficiency Curve, 1MHz, VOUT = 5.15VFigure 7-3 Efficiency Curve, 1MHz, VOUT = 5.15V
TPS51388 Efficiency Curve, 1MHz, VOUT = 3.3VFigure 7-5 Efficiency Curve, 1MHz, VOUT = 3.3V
TPS51388 Switching Frequency vs Output Load Figure 7-7 Switching Frequency vs Output Load
TPS51388 Line Regulation, IOUT = 0.01A / 12AFigure 7-9 Line Regulation, IOUT = 0.01A / 12A
TPS51388 Shutdown Through EN, IOUT = 12A Figure 7-11 Shutdown Through EN, IOUT = 12A
TPS51388 Shutdown Relative to VIN Falling, IOUT = 5A Figure 7-13 Shutdown Relative to VIN Falling,
IOUT = 5A
TPS51388 Output Voltage Ripple, IOUT = 6A Figure 7-15 Output Voltage Ripple, IOUT = 6A
TPS51388 Transient Response, 0A to 12A, Slew Rate = 1.6A/μsFigure 7-17 Transient Response, 0A to 12A,
Slew Rate = 1.6A/μs
TPS51388 Normal Operation to Output Hard ShortFigure 7-19 Normal Operation to Output Hard Short