JAJSVA1F May   2012  – August 2024 TPS65131-Q1

PRODUCTION DATA  

  1.   1
  2. 1 特長
  3. 2 アプリケーション
  4. 3 概要
  5. 4 Device Comparison
  6. 5 Pin Configuration and Functions
  7. 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 Switching Characteristics
    7. 6.7 Typical Characteristics
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Power Conversion
      2. 7.3.2 Control
      3. 7.3.3 Output Rails Enable or Disable
      4. 7.3.4 Load Disconnect
      5. 7.3.5 Soft Start
      6. 7.3.6 Overvoltage Protection
      7. 7.3.7 Undervoltage Lockout
      8. 7.3.8 Overtemperature Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Power-Save Mode
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      1. 8.2.1 TPS65131-Q1 With VPOS = 10.5V, VNEG = –10V
      2. 8.2.2 Design Requirements
      3. 8.2.3 Detailed Design Procedure
        1. 8.2.3.1 Programming the Output Voltage
          1. 8.2.3.1.1 Boost Converter
          2. 8.2.3.1.2 Inverting Converter
          3. 8.2.3.1.3 Inductor Selection
        2. 8.2.3.2 Capacitor Selection
          1. 8.2.3.2.1 Input Capacitor
          2. 8.2.3.2.2 Output Capacitors
        3. 8.2.3.3 Rectifier Diode Selection
        4. 8.2.3.4 External P-MOSFET Selection
        5. 8.2.3.5 Stabilizing the Control Loop
          1. 8.2.3.5.1 Feedforward Capacitors
          2. 8.2.3.5.2 Compensation Capacitors
      4. 8.2.4 Analog Supply Input Filter
        1. 8.2.4.1 RC-Filter
        2. 8.2.4.2 LC-Filter
      5. 8.2.5 Thermal Information
      6. 8.2.6 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 ドキュメントの更新通知を受け取る方法
    2. 9.2 サポート・リソース
    3. 9.3 商標
    4. 9.4 静電気放電に関する注意事項
    5. 9.5 用語集
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information
    1. 11.1 Mechanical Data
    2. 11.2 Tape and Reel 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

8.2.6 Application Curves

TPS65131-Q1 Boost Converter (VPOS) Efficiency vs Output Current
VI = 3.3VVPOS = 10.5VPower-save mode on and off
Figure 8-2 Boost Converter (VPOS) Efficiency vs Output Current
TPS65131-Q1 Boost Converter (VPOS) Efficiency vs Output Current
VI = 5VVPOS = 10.5VPower-save mode on and off
Figure 8-3 Boost Converter (VPOS) Efficiency vs Output Current
TPS65131-Q1 Inverting Converter (VNEG) Efficiency vs Output Current
VI = 3.3VVNEG = –10VPower-save mode on and off
Figure 8-4 Inverting Converter (VNEG) Efficiency vs Output Current
TPS65131-Q1 Boost Converter (VPOS) Output Voltage vs Output Current
VI = 3.3VVPOS = 10.5VPower-save mode on and off
Figure 8-6 Boost Converter (VPOS) Output Voltage vs Output Current
TPS65131-Q1 Inverting Converter (VNEG) Output Voltage vs Output Current
VI = 3.3VVNEG = –10VPower-save mode on and off
Figure 8-8 Inverting Converter (VNEG) Output Voltage vs Output Current
TPS65131-Q1 Boost Converter (VPOS) Output Ripple
VI = 3.3VVPOS = 10.5V IPOS = 200mAPower-save mode off
Figure 8-10 Boost Converter (VPOS) Output Ripple
TPS65131-Q1 Inverting Converter (VNEG) Output Ripple
VI = 3.3VVNEG = –10V INEG = 200mAPower-save mode off
Figure 8-12 Inverting Converter (VNEG) Output Ripple
TPS65131-Q1 Boost Converter (VPOS) Load Transient Response
VI = 3.3VVPOS = 10.5V
IPOS = 200mA to 250mA
Figure 8-14 Boost Converter (VPOS) Load Transient Response
TPS65131-Q1 Boost Converter (VPOS) Line Transient Response
VI = 3V to 3.6VVPOS = 10.5VIPOS = 150mA
Figure 8-16 Boost Converter (VPOS) Line Transient Response
TPS65131-Q1 Boost Converter (VPOS) Start-Up Into Load
VI = 3.3VVPOS = 10.5VIPOS = 46mA
Figure 8-18 Boost Converter (VPOS) Start-Up Into Load
TPS65131-Q1 Boost and Inverting Converter Start-Up Into Load
VI = 3.3VVPOS = 10.5VVNEG = –10V
IPOS = INEG= 160mA
Figure 8-20 Boost and Inverting Converter Start-Up Into Load
TPS65131-Q1 Inverting Converter (VNEG) Efficiency vs Output Current
VI = 5VVNEG = –10VPower-save mode on and off
Figure 8-5 Inverting Converter (VNEG) Efficiency vs Output Current
TPS65131-Q1 Boost Converter (VPOS) Output Voltage vs Output Current
VI = 5VVPOS = 10.5VPower-save mode on and off
Figure 8-7 Boost Converter (VPOS) Output Voltage vs Output Current
TPS65131-Q1 Inverting Converter (VNEG) Output Voltage vs Output Current
VI = 5VVNEG = –10VPower-save mode on and off
Figure 8-9 Inverting Converter (VNEG) Output Voltage vs Output Current
TPS65131-Q1 Boost Converter (VPOS) Output Ripple
VI = 3.3VVPOS = 10.5V IPOS = 20mAPower-save mode on
Figure 8-11 Boost Converter (VPOS) Output Ripple
TPS65131-Q1 Inverting Converter (VNEG) Output Ripple
VI = 3.3VVNEG = –10V INEG = 20mAPower-save mode on
Figure 8-13 Inverting Converter (VNEG) Output Ripple
TPS65131-Q1 Inverting Converter (VNEG) Load Transient Response
VI = 3.3VVNEG = –10V
INEG = 150mA to 200mA
Figure 8-15 Inverting Converter (VNEG) Load Transient Response
TPS65131-Q1 Inverting (VNEG) Converter Line Transient Response
VI = 3V to 3.6VVNEG = –10VINEG = 100mA
Figure 8-17 Inverting (VNEG) Converter Line Transient Response
TPS65131-Q1 Inverting Converter (VNEG) Start-Up Into Load
VI = 3.3VVNEG = –10VINEG = 150mA
Figure 8-19 Inverting Converter (VNEG) Start-Up Into Load