JAJSBY0G August   2012  – June 2018 TPS54360

PRODUCTION DATA.  

  1. 1 特長
  2. 2 アプリケーション
  3. 3 概要
    1.     Device Images
      1.      概略回路図
      2.      効率と負荷電流との関係
  4. 4 改訂履歴
  5. 5 Pin Configuration and Functions
    1.     Pin Functions
  6. 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 Timing Requirements
    7. 6.7 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1  Fixed Frequency PWM Control
      2. 7.3.2  Slope Compensation Output Current
      3. 7.3.3  Pulse Skip Eco-mode
      4. 7.3.4  Low Dropout Operation and Bootstrap Voltage (BOOT)
      5. 7.3.5  Error Amplifier
      6. 7.3.6  Adjusting the Output Voltage
      7. 7.3.7  Enable and Adjusting Undervoltage Lockout
      8. 7.3.8  Internal Soft-Start
      9. 7.3.9  Constant Switching Frequency and Timing Resistor (RT/CLK) Terminal)
      10. 7.3.10 Accurate Current Limit Operation and Maximum Switching Frequency
      11. 7.3.11 Synchronization to RT/CLK Terminal
      12. 7.3.12 Overvoltage Protection
      13. 7.3.13 Thermal Shutdown
      14. 7.3.14 Small Signal Model for Loop Response
      15. 7.3.15 Simple Small Signal Model for Peak Current Mode Control
      16. 7.3.16 Small Signal Model for Frequency Compensation
    4. 7.4 Device Functional Modes
      1. 7.4.1 Operation with VIN = < 4.5 V (Minimum VIN)
      2. 7.4.2 Operation with EN Control
      3. 7.4.3 Alternate Power Supply Topologies
        1. 7.4.3.1 Inverting Power
        2. 7.4.3.2 Split-Rail Power Supply
  8. 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  Selecting the Switching Frequency
        3. 8.2.2.3  Output Inductor Selection (LO)
        4. 8.2.2.4  Output Capacitor
        5. 8.2.2.5  Catch Diode
        6. 8.2.2.6  Input Capacitor
        7. 8.2.2.7  Bootstrap Capacitor Selection
        8. 8.2.2.8  Undervoltage Lockout Set Point
        9. 8.2.2.9  Output Voltage and Feedback Resistors Selection
        10. 8.2.2.10 Minimum VIN
        11. 8.2.2.11 Compensation
        12. 8.2.2.12 Discontinuous Conduction Mode and Eco-mode Boundary
        13. 8.2.2.13 Power Dissipation Estimate
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
      1. 10.2.1 Estimated Circuit Area
  11. 11デバイスおよびドキュメントのサポート
    1. 11.1 ドキュメントのサポート
      1. 11.1.1 WEBENCH®ツールによるカスタム設計
    2. 11.2 ドキュメントの更新通知を受け取る方法
    3. 11.3 コミュニティ・リソース
    4. 11.4 商標
    5. 11.5 静電気放電に関する注意事項
  12. 12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

4 改訂履歴

Changes from F Revision (March 2017) to G Revision

  • Added 上端にTIリファレンス・デザイン用のナビゲーション・アイコンを Go
  • Added VBOOT clamping stipulation to Equation 2Go

Changes from E Revision (March 2014) to F Revision

  • 「特長」、「詳細な設計手順」、「デバイスのサポート」の各セクションにWEBENCHの情報を追記Go
  • Changed the Handling Ratings table to the ESD Ratings tableGo
  • Moved the Storage temperature to the Absolute Maximum Ratings tableGo
  • Changed VIN MIN Value From: 4.5 V To: VO + VDO, and added Note 1 in the Recommended Operating ConditionsGo
  • Updated text and added Equation 1 and Equation 2 in Low Dropout Operation and Bootstrap Voltage (BOOT)Go
  • Deleted text: "The start and stop voltage for a typical 5 V..." and Figure: "5V Start/Stop Voltage" from the Low Dropout Operation and Bootstrap Voltage (BOOT) sectionGo
  • Changed Equation 7 and Equation 8Go
  • Changed Equation 27Go
  • Added new section: Minimum VINGo
  • Deleted 2 graphs named "Low Dropout Operation" from the Application Curves sectionGo

Changes from D Revision (February 2013) to E Revision

  • データシートを新しいTIレイアウトに変更し、「製品情報」表を追加Go
  • Added the Handling Ratings table and Recommended Operating Conditions tableGo
  • Changed the Operating: nonswitching supply current TEST CONDITIONS From: FB = 0.83 V To: FB = 0.9 V Go
  • Changed RT/CLK high threshold MAX value From: 1.7 V To: 2 V Go
  • Changed Figure 6 title From: HIGH FREQUENCY RANGE To: LOW FREQUENCY RANGEGo
  • Changed Figure 7 title From: LOW FREQUENCY RANGE To: HIGH FREQUENCY RANGEGo

Changes from C Revision (October 2012) to D Revision

Changes from B Revision (September 2012) to C Revision

  • Changed From: 20 mV/div To: 200 mV/div in Figure 42Go

Changes from A Revision (September 2012) to B Revision

  • 「特長」の「シャットダウン時電流1μA」を「シャットダウン時電流2μA」に変更Go

Changes from * Revision (August 2012) to A Revision

  • デバイスの状態を製品プレビューから量産データに変更Go