• LTC3533 constant-current configuration

    I want to use the LTC3533 in a constant-current scheme where I use a real current sense amp;  this current sense amp is modeled as a G element in LTPSICE with transconductance = 10mA/V to derive the feedback signal.   In the example below, I wish to drive…

  • Why my LTC3533‘s efficiency is only 35!

    Hello:

         When I use LTC3533, i refer to  some information form ADI,such as < PCB Layout Considerations for Non-Isolated Switching
    Power Supplies
     > <999A>(LTC3533's demo),and <power master class>(power class  form ADI'wechat in china…

  • LTC3533 product page - unable to download the LTspice Simulation for demo circuit?

    Hello.

    I want to download the LTspice Simulation file for LTC3533 demo circuit (www.analog.com/.../ltc3533.html), but when I click the link nothing happens, I also can't "save it as..." as described in the "Tools & Simulations" section.…

  • 我们做出来的LTC3533电源板,效率只有35%!盼回复~

    您好:

        如题,我们最近做一个便携预研项目,据需求选用了LTC3533开关电源。为了验证电源效率,单独做了电源板卡试验。

         期间参考了许多贵司的资料,做电源时尤其参考了《电源大师课》、《非隔离式开关电源》以及LTC3533demo板卡等。我们跟demo板的最大的差别只是我们用的是2层板、器件选用更好焊接的0603封装,以及样板在某创5元包邮完成投板等。

        上电后的现象如下:
        1.电路里面设置了自动burst模式,但是上电后,静态电流还是很大(140uA),没有进去burst模式。手摸了摸burst模式的设置阻容…
  • RE: How to use my LTC3895 as a controllable current source?

    I have almost an exact same need, albeit using a LTC3533 PMIC.   Did you ever figure out your issue with the LTC3895?  Any luck?

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