JAJSEV4C December   2015  – February 2018 LMR23610

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.      効率と負荷との関係 VIN＝12V
  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 Switching Characteristics
    8. 6.8 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 Peak Current Mode Control
      2. 7.3.2 Adjustable Output Voltage
      3. 7.3.3 EN/SYNC
      4. 7.3.4 VCC, UVLO
      5. 7.3.5 Minimum ON-Time, Minimum OFF-Time and Frequency Foldback at Dropout Conditions
      6. 7.3.6 Internal Compensation and CFF
      7. 7.3.7 Bootstrap Voltage (BOOT)
      8. 7.3.8 Overcurrent and Short-Circuit Protection
      9. 7.3.9 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Shutdown Mode
      2. 7.4.2 Active Mode
      3. 7.4.3 CCM Mode
      4. 7.4.4 Light Load Operation
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      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  Output Voltage Setpoint
        3. 8.2.2.3  Switching Frequency
        4. 8.2.2.4  Inductor Selection
        5. 8.2.2.5  Output Capacitor Selection
        6. 8.2.2.6  Feed-Forward Capacitor
        7. 8.2.2.7  Input Capacitor Selection
        8. 8.2.2.8  Bootstrap Capacitor Selection
        9. 8.2.2.9  VCC Capacitor Selection
        10. 8.2.2.10 Undervoltage Lockout Setpoint
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
      1. 10.1.1 Compact Layout for EMI Reduction
      2. 10.1.2 Ground Plane and Thermal Considerations
      3. 10.1.3 Feedback Resistors
    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 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
    6. 11.6 Glossary
  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 B Revision (April 2017) to C Revision

  • Deleted 「車載用バッテリ・レギュレーション」を「アプリケーション」からGo
  • Changed 入力電圧範囲: 「4.5V」を「入力電圧範囲: 4V... 」に(「特長」)、「4.5V～...という幅広い入力範囲」を「4V～...という幅広い入力範囲」に(「概要」)Go
  • Added "2.2-µF, 16-V" for VCC pin bypass capacitor Go
  • Changed ESD HBM value from "±2500" to "±2000"Go
  • Changed "4.5" in VIN row of Input voltage ROC table to "4" Go
  • Changed "4.5" to "4" in VIN row under POWER SUPPLYGo
  • Changed "3.4" to "3.3" in VIN_UVLO row under POWER SUPPLYGo
  • Changed "hysteresis" to "threshold", "0.4" to "3.3" in VIN_UVLO row under POWER SUPPLY; add min = 2.9 and max = 3.5 in same rowGo
  • Changed "VIN = 4.5 V to 36 V" in ISHDN row of POWER SUPPLY to "VIN = 12 V"Go
  • Changed "VIN = 4.5 V"... to "VIN = 4 V" in EC Test Conditions column starting with ENABLE (EN PIN)Go
  • Added "90" to MAX column of TON_MIN time under SW (SW PIN) Go
  • Changed operating from "4.5-V".... to "4-V"...in first sentence of OverviewGo
  • Changed "..when the input voltage is in the operating range 4.5 V..." to "...when the input voltage is in the operating range 4 V... in Active ModeGo
  • Changed "VOUT = 7 V to 36 V..." to "VIN = 7 V to 36 V..."Go

Changes from A Revision (July 2016) to B Revision

  • Changed the high side current max limit to 2.6 from 2.5 and low side current max limit to 2.1 from 1.9Go

Changes from * Revision (December 2015) to A Revision

  • Changed 残るすべてのセクションを追加し、開発中から量産データにGo