ZHCSF95C December   2015  – February 2018 LMR23610

PRODUCTION DATA.  

  1. 特性
  2. 应用
  3. 说明
    1.     Device Images
      1.      简化原理图
      2.      效率与负载间的关系 VIN = 12V
  4. 修订历史记录
  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 Timing Requirements
    7. 6.7 Switching Characteristics
    8. 6.8 Typical Characteristics
  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. 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. 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器件和文档支持
    1. 11.1 使用 WEBENCH® 工具创建定制设计
    2. 11.2 接收文档更新通知
    3. 11.3 社区资源
    4. 11.4 商标
    5. 11.5 静电放电警告
    6. 11.6 Glossary
  12. 12机械、封装和可订购信息

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

修订历史记录

Changes from B Revision (April 2017) to C Revision

  • Deleted 以下部分中的“汽车蓄电池稳压”:应用Go
  • Changed 将“4.5V”输入范围更改为“4V... 输入范围”(特性 部分)并将以下部分中的“4.5V... 的宽输入电压范围”更改为“.... 4V... 的宽输入范围”:说明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 “产品预览”至“量产数据”,并已添加所有其余部分。Go