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  • RE: LM22675: The driver board is powered by 15V. After power-on, the indicator is off, and there is no voltage at the G and E terminals

    Hello, Thanks but is it the complete schematic? I cannot find where D23 and D16 are, nor a transformer, and how are they related to LM22675 circuit. The schematic that you shared looks okay to me. Thanks, Youhao
    • Answered

  • LM22675: Is it possible to use +12Vin and -12Vout

    Resolved
    Part Number: LM22675 Other Parts Discussed in Thread: LMR36510 , LMR38010 Dear Specialists, My customer is considering LM22675 for 12Vin and -12Voutput inverting. They have a question, I would be grateful if you could advise. --- Is it possible to use…
    • Resolved
    • Answered

  • LM22675: How can I bypass LM22675 regulator

    Resolved
    Part Number: LM22675 Here is a schematic for the LM22675MR-5.0 switching regulator. For testing, I would like to bypass the regulator by feeding 5V from an external supply. Assuming the 12V supply is replaced with a 5V supply which is connected to VIN…
    • Resolved
    • Answered

  • LM22675: Do you have any load transient response waveform of LM22675?

    Resolved
    Part Number: LM22675 Hello guys, One of my customers is evaluating LM22675 for their new products. In the evaluation, they found that the output voltage ripple is large (about 50mV) when output load is changed from 2~3mA to 80mA or from 80mA to 2~3mA. …
    • Resolved

  • LM22675-Q1: Can the LM22670-Q1 be used as a replacement?

    TI Thinks Resolved
    Part Number: LM22675-Q1 Other Parts Discussed in Thread: LM22670-Q1 , , LM22675 , LM22670 Team, I'm posting this on behalf of my customer. They would like to know if the LM22670-Q1 can be used as a replacement for the LM2267 5 -Q1? It looks like the main…
    • Answered

  • LM22675: Can't get 5V output, sometimes IC shorts itself and lights on fire

    Resolved
    Part Number: LM22675 Dear Support Engineers, I am trying to make a buck converter that outputs 5V with the LM22675MRZ-5.0/NOPB. I followed the reference design in the datasheet and made this schematic: I then got a couple prototype boards made with…
    • Resolved

  • LM22675：Why I obeserved 6.4V at EN pin?

    TI Thinks Resolved
    Part Number: LM22675 Hi Expert, I am using LM22675, and I connect EN pin to 24V Vin with a 100kR pull up resistor, and also connect EN pin to GND with a 4.7kR pull down resistor. Then I test the voltage at EN pin, and get 6.4V test result. However, the…
    • Answered

  • LM22675: LM22676 Migration

    Resolved
    Part Number: LM22675 Other Parts Discussed in Thread: LM22676 Customer ran into over current conditions with the LM22675 so they are migrating to the LM22676. Just wanted to confirm that the only major differences are maximum output current, current limit…
    • Resolved

  • LM22675: About Line reguration question of LM22675.

    TI Thinks Resolved
    Part Number: LM22675 Dear support member, My customer use LM22675. I have a question about line reguration. Daimen is a 3 phase power supply, The input voltage fluctuates at intervals of 8 ms at 0.1 V. The output voltage fluctuated at intervals of 8 ms…

  • LM22675: LM22675 startup burn

    TI Thinks Resolved
    Part Number: LM22675 Hi, I am in trouble with LM22675MR-ADJ. I use this device since years on many boards, one type (T1006) of them don't works as well as I expected. Many of T1006 electronic boards delivered during years work fine until, during…

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