JAJSFQ3A July   2018  – September 2019 TPS56637

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.      効率と出力電流との関係 VOUT = 5V
  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 Handling 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  The Adaptive On-Time Control and PWM Operation
      2. 7.3.2  Mode Selection
        1. 7.3.2.1 Eco-mode™ Control Scheme
        2. 7.3.2.2 FCCM Control
      3. 7.3.3  Soft Start and Pre-Biased Soft Start
      4. 7.3.4  Enable and Adjusting Undervoltage Lockout
      5. 7.3.5  Output Overcurrent Limit and Undervoltage Protection
      6. 7.3.6  Overvoltage Protection
      7. 7.3.7  UVLO Protection
      8. 7.3.8  Thermal Shutdown
      9. 7.3.9  Output Voltage Discharge
      10. 7.3.10 Power Good
    4. 7.4 Device Functional Modes
      1. 7.4.1 Standby Operation
      2. 7.4.2 Normal Operation
      3. 7.4.3 Light Load Operation
  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 Output Voltage Resistors Selection
        2. 8.2.2.2 Output Filter Selection
        3. 8.2.2.3 Input Capacitor Selection
        4. 8.2.2.4 Bootstrap Capacitor Selection
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  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 関連資料
    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
    6. 11.6 Glossary
  12. 12メカニカル、パッケージ、および注文情報
    1. 12.1 Package Option Addendum
      1. 12.1.1 Packaging Information
      2. 12.1.2 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

6.7 Typical Characteristics

VIN = 12 V (unless otherwise noted)
TPS56637 IqTemp2p1.gif
Figure 1. Quiescent Current vs Temperature
TPS56637 RdsHSF.gif
Figure 3. High-Side RDS(on) vs Temperature
TPS56637 Vfb2p1.gif
Figure 5. Feedback Voltage vs Temperature
TPS56637 EN2p1.gif
Figure 7. EN Threshold vs Temperature
TPS56637 FswVin2p1.gif
VOUT=5 V IOUT = 6 A
Figure 9. Switching Frequency vs Input voltage
TPS56637 1pt05VoutEfficiency2P1.gif
Figure 11. VOUT = 1.05 V Efficiency, L = 1 µH
TPS56637 5VoutEfficiency2P1.gif
Figure 13. VOUT = 5 V Efficiency, L = 3.3 µH
TPS56637 IsdTemp2p1.gif
Figure 2. Shutdown Current vs Temperature
TPS56637 RdsLSF.gif
Figure 4. Low-side RDS(on) vs Temperature
TPS56637 UVLO2p1.gif
Figure 6. VIN UVLO Threshold vs Temperature
TPS56637 LOC2p1.gif
Figure 8. Valley Current Limit vs Temperature
TPS56637 FswLoadingECO2p1.gif
VOUT = 5 V L = 3.3 µH Eco-mode™
Figure 10. Switching Frequency vs Output Current
TPS56637 3pt3VoutEfficiency2P1.gif
Figure 12. VOUT = 3.3 V Efficiency, L = 2.2 µH
TPS56637 12VoutEfficiency2P1.gif
Figure 14. VOUT = 12 V Efficiency, L = 5.6 µH