JAJSHO1C May   2014  – July 2019 TPS62150A-Q1 , TPS62152A-Q1 , TPS62153A-Q1

PRODUCTION DATA.  

  1. 1 特長
  2. 2 アプリケーション
  3. 3 概要
    1.     Device Images
      1.      代表的なアプリケーションの回路図
      2.      効率と出力電流との関係
  4. 4 改訂履歴
  5. 5 Device Comparison Table
  6. 6 Pin Configuration and Functions
    1.     Pin Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 Handling Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Typical Characteristics
  8. 8 Parameter Measurement Information
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1  Pulse Width Modulation (PWM) Operation
      2. 9.3.2  Power Save Mode Operation
      3. 9.3.3  100% Duty-Cycle Operation
      4. 9.3.4  Enable / Shutdown (EN)
      5. 9.3.5  Soft Start / Tracking (SS/TR)
      6. 9.3.6  Current Limit And Short Circuit Protection
      7. 9.3.7  Power Good (PG)
      8. 9.3.8  Pin-Selectable Output Voltage (DEF)
      9. 9.3.9  Frequency Selection (FSW)
      10. 9.3.10 Under Voltage Lockout (UVLO)
      11. 9.3.11 Thermal Shutdown
    4. 9.4 Device Functional Modes
      1. 9.4.1 Operation above TJ=125°C
      2. 9.4.2 Operation with VIN < 3V
      3. 9.4.3 Operation with separate EN Control
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application
      1. 10.2.1 TPS62150A-Q1 Point-Of-Load Step Down Converter
        1. 10.2.1.1 Design Requirements
        2. 10.2.1.2 Detailed Design Procedure
          1. 10.2.1.2.1 Custom Design With WEBENCH® Tools
          2. 10.2.1.2.2 Programming The Output Voltage
          3. 10.2.1.2.3 External Component Selection
          4. 10.2.1.2.4 Inductor Selection
          5. 10.2.1.2.5 Output Capacitor
          6. 10.2.1.2.6 Input Capacitor
          7. 10.2.1.2.7 Soft Start Capacitor
          8. 10.2.1.2.8 Tracking Function
          9. 10.2.1.2.9 Output Filter And Loop Stability
        3. 10.2.1.3 Application Curves
      2. 10.2.2 System Examples
        1. 10.2.2.1 Regulated Power LED Supply
        2. 10.2.2.2 Inverting Power Supply
        3. 10.2.2.3 Active Output Discharge
        4. 10.2.2.4 Various Output Voltages
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  13. 13デバイスおよびドキュメントのサポート
    1. 13.1 デバイス・サポート
      1. 13.1.1 デベロッパー・ネットワークの製品に関する免責事項
    2. 13.2 関連リンク
    3. 13.3 ドキュメントの更新通知を受け取る方法
    4. 13.4 コミュニティ・リソース
    5. 13.5 商標
    6. 13.6 静電気放電に関する注意事項
    7. 13.7 Glossary
  14. 14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

デバイスごとのパッケージ図は、PDF版データシートをご参照ください。

メカニカル・データ（パッケージ｜ピン）
  • RGT|16
サーマルパッド・メカニカル・データ
発注情報

9.3.9 Frequency Selection (FSW)

To get high power density with very small solution size, a high switching frequency allows the use of small external components for the output filter. However switching losses increase with the switching frequency. If efficiency is the key parameter, more than solution size, the switching frequency can be set to half (1.25 MHz typ.) by pulling FSW to High. Running with lower frequency a higher efficiency, but also a higher output voltage ripple, is achieved. Pull FSW to Low for high frequency operation (2.5 MHz typ.). To get low ripple and full output current at the lower switching frequency, it's recommended to use an inductor of at least 2.2uH. The switching frequency can be changed during operation, if needed. A pull down resistor of about 400kΩ is internally connected to the pin, acting the same way as at the DEF Pin (see Pin-Selectable Output Voltage (DEF) above).