JAJSMI8A February   2022  – April 2022 TPS566242 , TPS566247

PRODUCTION DATA  

  1. 特長
  2. アプリケーション
  3. 概要
  4. Revision History
  5. Pin Configuration and 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 Eco-Mode Control
      3. 7.3.3 Soft Start and Prebiased Soft Start
      4. 7.3.4 Overvoltage Protection
      5. 7.3.5 Large Duty Operation
      6. 7.3.6 Current Protection and Undervoltage Protection
      7. 7.3.7 Undervoltage Lockout (UVLO) Protection
      8. 7.3.8 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Eco-Mode Operation
      2. 7.4.2 FCCM Mode Control
  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 Custom Design With WEBENCH® Tools
        2. 8.2.2.2 Output Voltage Resistors Selection
        3. 8.2.2.3 Output Filter Selection
        4. 8.2.2.4 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. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Third-Party Products Disclaimer
      2. 11.1.2 Development Support
        1. 11.1.2.1 Custom Design With WEBENCH® Tools
    2. 11.2 Receiving Notification of Documentation Updates
    3. 11.3 サポート・リソース
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

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

Application Curves

The following data is tested with VIN = 12 V, VOUT = 1.05 V, TA = 25°C, unless otherwise specified.

Figure 8-2 TPS566242 Frequency vs Loading
Figure 8-4 TPS566242 Load Regulation vs Loading
Figure 8-6 TPS566242 Line Regulation vs VIN with 6-A Loading
Figure 8-8 TPS566242 Output Voltage Ripple with 0.01-A Loading
Figure 8-10 Output Voltage Ripple with 6-A Loading
Figure 8-12 Shutdown Through EN, IOUT = 6 A
Figure 8-14 Start-Up with VIN Falling, IOUT = 6 A
Figure 8-16 TPS566242 Transient Response with 0.1 A to 6 A by 2.5-A/μs Load Step
Figure 8-18 TPS566247 Transient Response with 0.1 A to 6 A by 2.5-A/μs Load Step
Figure 8-20 TPS566247 Normal Operation to Output Hard Short
Figure 8-3 TPS566247 Frequency vs Loading
Figure 8-5 TPS566247 Load Regulation vs Loading
Figure 8-7 TPS566247 Line Regulation vs Loading with 6-A Loading
Figure 8-9 TPS566247 Output Voltage Ripple with 0.01-A Loading
Figure 8-11 Start-Up Through EN, IOUT = 6 A
Figure 8-13 Start-Up with VIN Rising, IOUT = 6 A
Figure 8-15 TPS566242 Transient Response with 0.6 A to 5.4 A by 2.5-A/μs Load Step
Figure 8-17 TPS566247 Transient Response with 0.6 A to 5.4 A by 2.5-A/μs Load Step
Figure 8-19 TPS566242 Normal Operation to Output Hard Short
Figure 8-21 Output Hard Short Hiccup