JAJS843E April   1998  – June 2019 LM2588

PRODUCTION DATA.  

  1. 特長
  2. 代表的なアプリケーション
  3. 概要
    1.     Device Images
      1.      フライバック・レギュレータ
  4. 改訂履歴
  5. 概要(続き)
  6. Pin Configurations
  7. Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Ratings
    4. 7.4 Electrical Characteristics: 3.3 V
    5. 7.5 Electrical Characteristics: 5 V
    6. 7.6 Electrical Characteristics: 12 V
    7. 7.7 Electrical Characteristics: Adjustable
    8. 7.8 Electrical Characteristics: All Output Voltage Versions
    9. 7.9 Typical Characteristics
  8. Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Flyback Regulator Operation
      2. 8.3.2 Step-Up (Boost) Regulator Operation
      3. 8.3.3 Shutdown Control
      4. 8.3.4 Frequency Adjustment
      5. 8.3.5 Frequency Synchronization
      6. 8.3.6 Programming Output Voltage (Selecting R1 And R2)
      7. 8.3.7 Short-Circuit Condition
  9. Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Applications
      1. 9.2.1 Typical Flyback Regulator Applications
        1. 9.2.1.1 Design Requirements
          1. 9.2.1.1.1 Transformer Selection (T)
          2. 9.2.1.1.2 Transformer Footprints
        2. 9.2.1.2 Detailed Design Procedure
          1. 9.2.1.2.1 Custom Design With WEBENCH® Tools
          2. 9.2.1.2.2 Flyback Regulator Input Capacitors
          3. 9.2.1.2.3 Switch Voltage Limits
          4. 9.2.1.2.4 Output Voltage Limitations
          5. 9.2.1.2.5 Noisy Input Line Condition
          6. 9.2.1.2.6 Stability
      2. 9.2.2 Typical Boost Regulator Applications
        1. 9.2.2.1 Design Requirements
        2. 9.2.2.2 Detailed Design Procedure
    3. 9.3 System Examples
      1. 9.3.1 Test Circuits
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
    3. 10.3 Heat Sink/Thermal Considerations
  11. 11デバイスおよびドキュメントのサポート
    1. 11.1 デバイス・サポート
      1. 11.1.1 デベロッパー・ネットワークの製品に関する免責事項
      2. 11.1.2 開発サポート
        1. 11.1.2.1 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

Typical Characteristics

LM2588 01242002.png
Figure 1. Supply Current vs Temperature
LM2588 01242004.png
Figure 3. ΔReference Voltage vs Supply Voltage
LM2588 01242006.png
Figure 5. Current Limit vs Temperature
LM2588 01242008.png
Figure 7. Switch Saturation Voltage vs Temperature
LM2588 01242010.png
Figure 9. Oscillator Frequency vs Temperature
LM2588 01242012.png
Figure 11. Error Amp Voltage Gain vs Temperature
LM2588 01242014.png
Figure 13. Shutdown Supply Current vs Temperature
LM2588 01242016.png
Figure 15. Oscillator Frequency vs Resistance
LM2588 01242003.png
Figure 2. Reference Voltage vs Temperature
LM2588 01242005.png
Figure 4. Supply Current vs Switch Current
LM2588 01242007.png
Figure 6. Feedback Pin Bias Current vs Temperature
LM2588 01242009.png
Figure 8. Switch Transconductance vs Temperature
LM2588 01242011.png
Figure 10. Error Amp Transconductance vs Temperature
LM2588 01242013.png
Figure 12. Short Circuit Frequency vs Temperature
LM2588 01242015.png
Figure 14. ON /Off Pin Current vs Voltage