JAJSB44G October   2011  – July 2018 LMZ10500

PRODUCTION DATA.  

  1. 特長
  2. アプリケーション
  3. 概要
    1.     Device Images
      1.      VIN = 3.6Vでの標準的な効率
      2.      放射EMI (CISPR22) VIN = 5V、VOUT = 1.8V、IOUT = 650mA
  4. 改訂履歴
  5. Pin Configuration and Functions
    1.     Pin Functions
  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 System Characteristics
    7. 6.7 Typical Characteristics
  7. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Current Limit
      2. 7.3.2 Start-up Behavior and Soft Start
      3. 7.3.3 Output Short Circuit Protection
      4. 7.3.4 Thermal Overload Protection
    4. 7.4 Device Functional Modes
      1. 7.4.1 Circuit Operation
      2. 7.4.2 Input Undervoltage Detection
      3. 7.4.3 Shutdown Mode
      4. 7.4.4 EN Pin Operation
      5. 7.4.5 Internal Synchronous Rectification
      6. 7.4.6 High Duty Cycle Operation
  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 Custom Design With WEBENCH® Tools
        2. 8.2.2.2 Setting the Output Voltage
          1. 8.2.2.2.1 RT and RB Selection for Fixed VOUT
          2. 8.2.2.2.2 Output Voltage Accuracy Optimization
        3. 8.2.2.3 Dynamic Output Voltage Scaling
        4. 8.2.2.4 Integrated Inductor
        5. 8.2.2.5 Input and Output Capacitor Selection
      3. 8.2.3 Application Curves
        1. 8.2.3.1 VOUT = 1.2 V
        2. 8.2.3.2 VOUT = 1.8 V
        3. 8.2.3.3 VOUT = 2.5 V
        4. 8.2.3.4 VOUT = 3.3 V
  9. Power Supply Recommendations
    1. 9.1 Voltage Range
    2. 9.2 Current Capability
    3. 9.3 Input Connection
      1. 9.3.1 Voltage Drops
      2. 9.3.2 Stability
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
    3. 10.3 Package 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 WEBENCH®ツールによるカスタム設計
    2. 11.2 ドキュメントのサポート
    3. 11.3 ドキュメントの更新通知を受け取る方法
    4. 11.4 コミュニティ・リソース
    5. 11.5 商標
    6. 11.6 静電気放電に関する注意事項
    7. 11.7 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)
  • SIL|8
発注情報

Typical Characteristics

Unless otherwise specified the following conditions apply: VIN = 3.6 V, TA = 25°C
LMZ10500 00_1.8VOUT_RIPPLE_1A_5VIN.gifFigure 1. Output Voltage Ripple
VIN = 5 V, VOUT = 1.8 V, IOUT = 650 mA
LMZ10500 LMZ10500SIL_1.2VO_derating.pngFigure 3. Thermal Derating
VOUT = 1.2 V, θJA = 77°C/W
LMZ10500 LMZ10500SIL_2.5VO_derating.pngFigure 5. Thermal Derating
VOUT = 2.5 V, θJA = 77°C/W
LMZ10500 LMZ10500_Radiated_EMI.png
VIN = 5 V VOUT = 1.8 V IOUT = 650 mA
Figure 7. Radiated EMI (CISPR22)
Default Evaluation Board BOM
LMZ10500 30161634.gifFigure 9. Startup
LMZ10500 _LMZ10500_DROPOUT_85C.pngFigure 2. Dropout Voltage vs Load Current and Input Voltage
LMZ10500 LMZ10500SIL_1.8VO_derating.pngFigure 4. Thermal Derating
VOUT = 1.8 V, θJA = 77°C/W
LMZ10500 LMZ10500SIL_3.3VO_derating.pngFigure 6. Thermal Derating
VOUT = 3.3 V, RθJA = 77°C/W
LMZ10500 LMZ10500_ConductedEMI_2.2uH_1uF_Filter.png
VIN = 5 V VOUT = 1.8 V IOUT = 650 mA
Figure 8. Conducted EMI
Default Evaluation Board BOM With Additional 2.2µh 1µf LC Input Filter