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Showing 20 results View by: Thread Post Sort by
    Answered
  • LM20343 Switching frequency(Fsw2) at VIN=28V, TA= -40℃ to 125℃

    Tsukui Yusuke
    Tsukui Yusuke
    Resolved
    Other Parts Discussed in Thread: LM20343 Hi, Could you tell me about switching frequency of LM20343? I think that the switching frequency(Fsw2) value of datasheet is the “225kHz(min) / 250kHz(typ) / 325kHz(max)” at VIN=12 , TA=Tj= -40℃ to 125℃.…
    • Resolved
    • over 11 years ago
    • Power management
    • Power management forum
  • Answered
  • LM20323, LM20333, LM20343 Current Limit Behavior

    Masatoshi Oguri
    Masatoshi Oguri
    Resolved
    Hello, Please tell me how the current limit functions. In the datasheets, it is merely mentioned that some reference voltage decrement and resulting foldback will occur (shown below). I want some more detail, because it is a critical informatin for an…
    • Resolved
    • over 13 years ago
    • Power management
    • Power management forum
  • Answered
  • RE: LM20242 LM20323 LM20343 minimum on-time?

    Adrian Helwig
    Adrian Helwig
    Resolved
    Hello Team, there is also one other thing: In the spreadsheet for LM20242 you can find 300ns as a min. value for the pulse width This is a little bit confusing... Thanks and regards Adrian
    • over 13 years ago
    • Power management
    • Power management forum
  • LM20343EVAL: Maximum possible output voltage LM20343EVAL

    Mohammad Alsmadi
    Mohammad Alsmadi
    TI Thinks Resolved
    Part Number: LM20343EVAL Other Parts Discussed in Thread: LM20343 , LMR33630 , Hello, I am writing to inquire regarding the maximum allowed output voltage for LM20343 evaluation board. I need to adjust the output voltage using DAC voltage so I need to make…
    • over 5 years ago
    • Power management
    • Power management forum
  • Answered
  • RE: LM20343EVAL: Dynamic voltage adjustment of LM20343EVAL

    Mohammad Alsmadi
    Mohammad Alsmadi
    Resolved
    Hi Ethan, Thank you. Equations 1 and 2 in which file? Please I still did not get it. Please bear with me. I have a MCU that will decide a voltage reference that my application should operate one. I need to send it to the LM20343. I still do not know…
    • over 5 years ago
    • Power management
    • Power management forum
  • LM20343EVAL: Minimum voltage in for 4.9V 2.33A out

    Isaac Porras
    Isaac Porras
    TI Thinks Resolved
    Part Number: LM20343EVAL Other Parts Discussed in Thread: LM20343 , TLV62130A For this LM20343 Evaluation Board, what is the minimum input Voltage for a 4.9 volt output under 2.33A load?
    • over 6 years ago
    • Power management
    • Power management forum
  • RE: Forced PWM and switching frequency adjustable buck converter

    JohnTucker
    JohnTucker
    Try looking at LM5161 or LM20343.
    • over 8 years ago
    • Power management
    • Power management forum
  • Answered
  • RE: LM20323 spice model for TINA-V9 ...

    debugasm
    debugasm
    Resolved
    I have the LM20343 that not have the Spice Model. You have advised me to use LM20333 to perform simulations but LM20333 always operates at 200 KHz although fits a square wave signal (0V Low - High 2V) with frequency of 1MHz on the SYNC pin. How can I…
    • over 9 years ago
    • Simulation, hardware & system design tools
    • Simulation, hardware & system design tools forum
  • RE: nRESET timing in TPS65217A

    Vincenzo Pizzolante
    Vincenzo Pizzolante
    thanks a lot Stephen, a customer is using the part and he is having problems with the nRESET: sometime it works fine, other times doesn't (and got latched, so that a POR is needed)... attached some waveforms of the main signal: Channel 1 (yellow…
    • over 12 years ago
    • Power management
    • Power management forum
  • Power supply for radio equipment

    silvio ardi
    silvio ardi
    Other Parts Discussed in Thread: TPS54332 , LM20343 I need find good IC ( I prefer integrated switch ), step down for: Vin = 9-25V Vout= 5V Iout= 2,5A This power supply is for control radio receiver 2.4 GHz I can use TPS54332 ( step down, 1MHz switching…
    • over 12 years ago
    • RF & microwave
    • RF & microwave forum
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