• RE: What other Jfet amplifier can replace ADA4610? I cannot find it on supplier sites anymore. Thank you!

    Hey, I was talking about digikey, it is not there anymore. But i found a replacement. Now I am concerned about LT8640, same thing, i cannot find it online. Can you help? Maybe a replacement?

    This is about a medical device, good SNR is appreciated.

  • RE: Is it possible to connect the output of LTC3126 in parallel to double output current?

    Hi,

    Current sharing is difficult in LTC3126 as it doesn't have an external Vc pin like LTC3118. We can control the inductor current level with this pin. 

    Paralleling LTC3126 with additional current sensing and load sharing circuitry might not be a…

  • Use LTspice .sub model in ADIsimPE

    Original Question: Use LTspice .sub model in ADIsimPE by Kentxu

    Given that LT is now part of AD, I was just wondering if it would (or will) be possible to use a LT part in ADIsimPE ?

    In particular I would like to use the LT8640-1.sub model.

    Any thoughts…

  • LT8648 @ 1V output (Bias Pin?)

    Hi 

    I am designing a PCB for a Zynq 7030 chip.  For the power, I am using a simple sequencer (LM3880) to set the enables on 3 DC/DC converters which are all from the Silent Switcher 2 range (LT8648S and LT8640S).  For the Zynq core voltage, I need 1V out…

  • LT8642S- spread spectrum rejection

    I have been testing a new part, the LT8642S. All looks good but I have seen a low frequency signal content on the output ripple.

    This is the test circuit:

    Looking before and after the output ripple filter I can see the ripple due to switching at 1MHz…

  • TAGS LIST: Power by Linear

    LTM8045
    LTM8049
    LTM4651
    LTM4661
    LTM4686
    LTM4676
    LTM4686-1
    LTM4676A
    LTM4675
    LTM4677
    LTM4678
    LTM8062
    LTM8061
    LTM8052
    LTM8026
    LTM8056
    LTM8064
    LTM8054
    LTM8055
    LTM4600
    LTM4600HV
    LTM4608A
    LTM4604A
    LTM8032
  • 【在线研讨会】Silent Switcher稳压器: 高效率、超低EMI

    在重视热耗散和效率的场合中,人们会用开关稳压器替代线性稳压器。开关稳压器通常是输入电源总线线路上的首个有源组件,因此对于整个转换器电路的 EMI 性能具有重大的影响。

    EMI发射有两类:传导和辐射。传导发射通过电线和走线连接到产品。辐射发射测试只有在设计基本完成之后才能正式进行。

    在近期的在线研讨会《Silent Switcher稳压器:高效率、超低EMI》中,从原理到封装到布局再到具体产品,重点介绍了大幅降低开关稳压器EMI辐射的新技术。

    首先,高频噪声来自哪里?在电子电路中,通过寄生电阻…

  • 如今MLCC供不应求,我们应该怎么办?

    在全球范围内,多层陶瓷电容(MLCC)供不应求。很大部分原因是因为手机的电子复杂性提高、电动汽车的销售量增加,以及全球各行各业电子内容的扩展。相比几年前,一些智能手机的MLCC用量翻了一番;相比使用典型的现代内燃机的汽车,电动汽车的MLCC用量增加至少4倍(图1)。MLCC从2016年底开始缺货,这使得生产大电容值产品(几十µF或更高)变得尤其困难,而最新电子器件采用的高能电源需要这种电容才能运行。制造工厂想要降低MLCC要求不可避免地想要从电源的电容要求着手,尤其是开关稳压器的电容。因此,电源设计人员成为解决电容短缺问题的关键…