JAJSNP4A May   2023  – February 2024 TPS54KB20

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  Internal VCC LDO and Using External Bias On the VCC Pin
      2. 6.3.2  Enable
      3. 6.3.3  Adjustable Soft Start
      4. 6.3.4  Power Good
      5. 6.3.5  Output Voltage Setting
      6. 6.3.6  Remote Sense
      7. 6.3.7  D-CAP4 Control
      8. 6.3.8  Multifunction Select (MSEL) Pin
      9. 6.3.9  Low-side MOSFET Zero-Crossing
      10. 6.3.10 Current Sense and Positive Overcurrent Protection
      11. 6.3.11 Low-side MOSFET Negative Current Limit
      12. 6.3.12 Overvoltage and Undervoltage Protection
      13. 6.3.13 Output Voltage Discharge
      14. 6.3.14 UVLO Protection
      15. 6.3.15 Thermal Shutdown
   4. 6.4 Device Functional Modes
      1. 6.4.1 Auto-Skip Eco-mode Light Load Operation
      2. 6.4.2 Forced Continuous-Conduction Mode
      3. 6.4.3 Powering the Device From a Single Bus
      4. 6.4.4 Powering the Device From a Split-rail Configuration
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  Output Voltage Setting Point
         2. 7.2.2.2  Choose the Switching Frequency and the Operation Mode
         3. 7.2.2.3  Choose the Inductor
         4. 7.2.2.4  Set the Current Limit (ILIM)
         5. 7.2.2.5  Choose the Output Capacitor
         6. 7.2.2.6  RAMP Selection
         7. 7.2.2.7  Choose the Input Capacitors (CIN)
         8. 7.2.2.8  Soft-Start Capacitor (SS Pin)
         9. 7.2.2.9  EN Pin Resistor Divider
         10. 7.2.2.10 VCC Bypass Capacitor
         11. 7.2.2.11 BOOT Capacitor
         12. 7.2.2.12 RC Snubber
         13. 7.2.2.13 PG Pullup Resistor
      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 Documentation Support
      1. 8.1.1 Related Documentation
   2. 8.2 ドキュメントの更新通知を受け取る方法
   3. 8.3 サポート・リソース
   4. 8.4 Trademarks
   5. 8.5 静電気放電に関する注意事項
   6. 8.6 用語集
10. 9 Revision History
11. 10Mechanical, Packaging, and Orderable Information