• LTM4638 Noise


    I want to ask a question about LTM4638.

    when I use LTM4638,my vin is 12V, Vout is 0.95V ,but I mesured much high frequency noise( about 280MHz) with the frequencyspectrograph,and this noise has influenced my 12V  power plane,so what can i do ?


  • LTM4638


  • POWER LTM4638

        • The data sheet only has an elevated frequency and a formula

        ,How to reduce the power(LTM4638) switch frequency??

  • Fab process


    I was wondering if you could provide the fab process used for the LTM4638 and LT3071 lines? I.e., CMOS, BiCMOS, GaAs, ect.

    Thank you 

  • RE: Spice model frequency limitation during system level PI Simulation activity

    Hi Santhoshkumar,

    The LTM4638 simulation is intended to simulate within the part's operating frequency range, from 400kHz to 3MHz (refer to datasheet).  Operation outside this range may not yield accurate results.

    For transient response, using the…

  • RE: LTM4637 negative output

    The maximum input voltage is 18V of LTM4630, so I don't think it is suitable for 12V input & -5V output(20A). In this case, I think it would be better to use two LTM4638 than two LTM4637, because LTM4638 is cheaper than LTM4637. Am I right ?

  • RE: LTM4620A Output Voltage Change Question

    Hi Damon,

    Yes, the LTM4638 Track/SS and FB will operate similarly.


    Tim K

  • DCM vs. CCM

    Hi all

    i want to use the LTM4626 buck regulator in my design. the device drives several LDOs and one of the mode of operation is to disable most of the LDOs and keep one LDO running. so in full power the load shall be around 5[A] and in low power mode…

  • 系列第一弹丨ADI新品速递(2019 年 3 月)




    采用 6.25 mm × 6.25 mm BGA 封装的 12 A 15 A 引脚兼容型 μModule 稳压器将电感用作散热器

    ADI Power by LinearTM  20 VINμModule® (电源模块)稳压器 LTM4626 LTM4638 采用 3D