• LT3990

    Hi,

    I want to know the use of PIN-PG (14). What if i keep it unused/unconnected. I am designing a Buck module for the input voltage ranging from 30V to 55V (battery) and output voltage of 3.3 V having the current requirement of max 50miliAmps. Can you…

  • LT3990

    I did a test board with the LT3990 similar to the "typical applications" on page 18 of the data sheet.

    Vin 30 to 62V

    Vout set to 24V instead of 12V / R1 = 1M / R2 = 53k6

    f = 1MHz

    C3 = 0.1uF

    L1 = 33uH / 0.5A Type WE 744 383 353 30

    Device runs…

  • RE: LT3669 Buck converter

    Hello rokobert,

    you might want to check the LT3990 with similar current rating and control loop. LT3669 has no burst mode, but for your output current burst mode is not relevant.

    kind regards

    Markus

  • LTC6804芯片SPI唤醒的问题

    你好,我想咨询下LTC6804芯片SPI唤醒的问题,初步打算采用4线SPI(ISOMODE=V-)。VREG的输入由LT3990芯片提供,芯片的EN/VVLO通过DRIVE驱动 实现LTC6804低功耗。
    1,在手册 POWER CUMNSUMPTION 那个章节 里边写了ISO SPI接口供电是由 VREG提供的,,那四线SPI实现唤醒 他的供电是否与VREG有关系,即VREG为0是否可以唤醒四线spi电路 进而唤醒CORE电路?如果采用ISOMODE=VREG模式,在VREG=0即ISO SPI未供电的情况下…
  • TAGS LIST: Power Management

    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
  • LTC6804 isoSPI Layout Guidelines

    Does the isoSPI Guideline number 2 found in the LTC6804 data sheet apply if I am using the LTC6804-1 in , specifically number 2, apply if I am connecting multiple LTC6804-1's on the same PCB as shown in Figure 44 of the data sheet?  What is the purpose…