JAJS177F November   2003  – February 2020 TPS2490 , TPS2491

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
  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 Switching Characteristics
    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  VCC
      2. 7.3.2  SENSE
      3. 7.3.3  GATE
      4. 7.3.4  OUT
      5. 7.3.5  EN
      6. 7.3.6  VREF
      7. 7.3.7  PROG
      8. 7.3.8  TIMER
      9. 7.3.9  PG
      10. 7.3.10 GND
    4. 7.4 Device Functional Modes
      1. 7.4.1 Board Plug-In ()
      2. 7.4.2 TIMER and PG Operation ()
      3. 7.4.3 Action of the Constant Power Engine ()
      4. 7.4.4 Response to a Hard Output Short ( and )
      5. 7.4.5 Automatic Restart ()
  8. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Alternative Inrush Designs
        1. 8.1.1.1 Gate Capacitor (dV/dt) Control
        2. 8.1.1.2 PROG Inrush Control
      2. 8.1.2 Additional Design Considerations
        1. 8.1.2.1 Use of PG
        2. 8.1.2.2 Faults and Backplane Voltage Droop
        3. 8.1.2.3 Output Clamp Diode
        4. 8.1.2.4 Gate Clamp Diode
        5. 8.1.2.5 High Gate Capacitance Applications
        6. 8.1.2.6 Input Bypass
        7. 8.1.2.7 Output Short Circuit Measurements
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Select RSNS and CL setting
        2. 8.2.2.2 Selecting the Hot Swap FET(s)
        3. 8.2.2.3 Select Power Limit
        4. 8.2.2.4 Set Fault Timer
        5. 8.2.2.5 Check MOSFET SOA
        6. 8.2.2.6 Set Under-Voltage Threshold
        7. 8.2.2.7 Choose R5, and CIN
        8. 8.2.2.8 Input and Output Protection
        9. 8.2.2.9 Final Schematic and Component Values
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
      1. 10.1.1 PC Board Guidelines
      2. 10.1.2 System Considerations
    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 開発サポート
    2. 11.2 ドキュメントのサポート
      1. 11.2.1 関連資料
    3. 11.3 関連リンク
    4. 11.4 ドキュメントの更新通知を受け取る方法
    5. 11.5 コミュニティ・リソース
    6. 11.6 商標
    7. 11.7 静電気放電に関する注意事項
    8. 11.8 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

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）
  • DGS|10
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 E Revision (February 2017) to F Revision

Changes from D Revision (July 2012) to E Revision

  • 「ESD定格」表、「熱に関する情報」表、「機能説明」セクション、「デバイスの機能モード」セクション、「アプリケーションと実装」セクション、「電源に関する推奨事項」セクション、「レイアウト」セクション、「デバイスおよびドキュメントのサポート」セクション、「メカニカル、パッケージ、および注文情報」セクションを追加Go

Changes from C Revision (September 2011) to D Revision

  • Added Operating voltage range to the RECOMMENDED OPERATING CONDITIONS tableGo
  • Changed Supply Current Disabled Test Conditions From: VEN = Lo, VSENSE = VVCC = VOUT = 0 To: VEN = Lo, VSENSE = VVCC = VOUT Go

Changes from B Revision (March 2010) to C Revision

  • Changed Figure 15, From: IIN = 5 A/div To: IIN = 0.5 A/divGo

Changes from A Revision (March 2010) to B Revision

  • Added 「特長」に「カリキュレータ・ツールを利用可能」(SLVC033)をGo
  • Added the Gate Capacitor (dV/dt) Control section: Revised text and Equation 5Go

Changes from * Revision (November 2003) to A Revision

  • Deleted Lead temperature spec. from Abs Max Ratings tableGo
  • Changed VPROG MIN voltage spec. from: 0 to: 0.4; added footnote (1) to the RECOMMENDED OPERATING CONDITIONS table Go
  • Deleted footnote - Not tested in production from tF_TRIPGo
  • Added clarification sentence to the GATE pin description, regarding adding capacitance. Go
  • Changed V(VCC-OUT). to V(SENSE-OUT) in the OUT pin description. Go
  • Changed from: (0–4 V) to: (0.4 – 4 V) in the PROG pin description Go
  • Changed from: 2.5 V to: 2.7 V in the PG pin description.Go
  • Added text to the PG pin description.Go
  • Changed from: V(VCC–OUT) to: V(SENSE–OUT)Go
  • Added text to the Gate Capacitor (dV/dt) Control section descriptionGo
  • Added text to the High Gate Capacitance Applications section descriptionGo
  • Added The Input Bypass section description.Go