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    1206YD226MAT2A 参数 Datasheet PDF下载

    1206YD226MAT2A图片预览
    型号： 1206YD226MAT2A
    PDF下载： 下载PDF文件 查看货源
    内容描述： 38V ， 10A DC / DC稳压器μModule高级输入和负载保护 [38V, 10A DC/DC μModule Regulator with Advanced Input and Load Protection]
    分类和应用： 稳压器
    文件页数/大小： 64 页 / 822 K
    品牌： LINER [ LINEAR TECHNOLOGY ]
     浏览型号1206YD226MAT2A的Datasheet PDF文件第1页浏览型号1206YD226MAT2A的Datasheet PDF文件第3页浏览型号1206YD226MAT2A的Datasheet PDF文件第4页浏览型号1206YD226MAT2A的Datasheet PDF文件第5页浏览型号1206YD226MAT2A的Datasheet PDF文件第6页浏览型号1206YD226MAT2A的Datasheet PDF文件第7页浏览型号1206YD226MAT2A的Datasheet PDF文件第8页浏览型号1206YD226MAT2A的Datasheet PDF文件第9页  
    LTM4641
    TABLE OF CONTENTS
    Features .................................................... 1
    Applications ................................................ 1
    Typical Application ........................................ 1
    Description.................................................. 1
    Absolute Maximum Ratings .............................. 3
    Order Information .......................................... 3
    Pin Configuration .......................................... 3
    Electrical Characteristics ................................. 4
    Typical Performance Characteristics ................... 8
    Pin Functions .............................................. 10
    Simplified Block Diagram ............................... 15
    Decoupling Requirements ............................... 15
    Operation................................................... 16
    Introduction ............................................................ 16
    Motivation............................................................... 16
    Power µModule Regulator Reliability ...................... 16
    Overview ................................................................. 16
    Applications Information—Power Supply Features . 17
    Power (V
    INH
    ) and Bias (V
    INL
    ) Input Pins................. 17
    Switching Frequency (On Time) Selection and
    Voltage Dropout Criteria (Achievable V
    IN
    -to-V
    OUT
    Step-Down Ratios).................................................. 18
    Setting the Output Voltage; the Differential Remote
    Sense Amplifier ...................................................... 21
    Input Capacitors .....................................................23
    Output Capacitors and Loop Stability/Loop
    Compensation.........................................................23
    Pulse-Skipping Mode vs Forced Continuous Mode 24
    Soft-Start, Rail-Tracking and Start-Up Into
    Pre-Bias .................................................................. 24
    INTV
    CC
    and DRV
    CC
    ................................................. 27
    1V
    REF
    ...................................................................... 28
    TEMP, OTBH and Overtemperature Protection........ 28
    Applications Information—Input Protection
    Features .................................................... 29
    Input Monitoring Pins: UVLO, IOVRETRY, OVLO ....29
    Start-Up/Shutdown and Run Enable; Power-On Reset
    and Timeout Delay Time ......................................... 31
    Applications Information—Load Protection
    Features .................................................... 32
    Overcurrent Foldback Protection ............................ 32
    Power Good Indicator and Latching Output
    Overvoltage Protection ........................................... 32
    Power-Interrupt MOSFET (MSP), CROWBAR Pin and
    Output CROWBAR MOSFET (MCB) ........................33
    Fast Output Overvoltage Comparator Threshold .....34
    Applications Information—EMI Performance ........ 35
    The Switching Node: SW Pin ..................................35
    Applications Information—Multimodule Parallel
    Operation................................................... 36
    Applications Information—Thermal Considerations
    and Output Current Derating ............................ 38
    Thermal Considerations and Output Current
    Derating ..................................................................38
    Applications Information—Output Capacitance
    Table ........................................................ 45
    Applications Information—Safety and Layout
    Guidance ................................................... 46
    Safety Considerations .............................................46
    Layout Checklist/Example ......................................46
    Typical Applications ...................................... 48
    Appendices ................................................ 55
    Appendix A. Functional Block Diagram and Features
    Quick Reference Guide............................................55
    Appendix B. Start-Up/Shutdown State Diagram .....56
    Appendix C. Switching Frequency Considerations and
    Usage of R
    fSET
    ........................................................ 57
    Appendix D. Remote Sensing in Harsh
    Environments..........................................................58
    Appendix E. Inspiration For Pulse-Skipping Mode
    Operation ................................................................ 59
    Appendix F. Adjusting the Fast Output Overvoltage
    Comparator Threshold ............................................ 59
    Package Description ..................................... 62
    Package Photo ............................................ 62
    Package Description ..................................... 63
    Typical Application ....................................... 64
    Related Parts .............................................. 64
    4641f
    2

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