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Showing 628 results View by: Thread Post Sort by
  • LM3481-Q1: LM3481

    Alon Chen
    Alon Chen
    Part Number: LM3481-Q1 Other Parts Discussed in Thread: LM3481 Hi Team, The customer is currently using a SEPIC circuit to charge the supercapacitor, with a 9-16V input and a maximum current of 3A. The frequency waveform of the switching (SW) needs…
    • 4 months ago
    • Power management
    • Power management forum
  • LM3481-Q1: LM3481-Q1 Ton time specification

    Aparna Vashishtha
    Aparna Vashishtha
    TI Thinks Resolved
    Part Number: LM3481-Q1 Tool/software: In my application, input is 5V to 18V, my output is 11.64V, my duty cycle when Vin>8V is 34% & below, so Ton time =below 377ns when switching frequency is 917KHz, so what is the behavior of the output when it is below…
    • 8 months ago
    • Power management
    • Power management forum
  • Answered
  • LM3481-Q1: LM3481-Q1, FA/SYNC pin

    Aparna Vashishtha
    Aparna Vashishtha
    Resolved
    Part Number: LM3481-Q1 Tool/software: Hi, I want to use this LM3481-Q1 IC as a pre boost solution, but I am able to understand the functioning of the pin FA/SYNC/SD. In my application, I want to use both the FA & SYNC functionality. can I use both…
    • Resolved
    • 8 months ago
    • Power management
    • Power management forum
  • LM3481-Q1: LM3481-Q1 to drive three transformers in parallel

    Haiwen Huang
    Haiwen Huang
    TI Thinks Resolved
    Part Number: LM3481-Q1 Tool/software: Dears: Customer want to use LM3481-Q1 to drive three transformers in parallel to cost down. below is the simplified picture. Could you please help advise if this solution can work well ? Any design guide is…
    • 9 months ago
    • Power management
    • Power management forum
  • LM3481: Used webench for a flyback DC/DC design with the LM3481 controller and the out FET and transformer are getting very hot

    glenn marra
    glenn marra
    Part Number: LM3481 Tool/software: used webench for a flybench DC/DC circuit with the LM3481 ic controller. i took the suggested BOM and made the circuit into a prototype PCB . the circuit details are AC/DC 17v-42v input with a 24v DC output at 2.5A.…
    • 8 months ago
    • Power management
    • Power management forum
  • LM3481: PSpice for TI Simulation - LM3481 Circuit - Floating Net Errors and Number of Marker Errors

    Adam Emes
    Adam Emes
    Part Number: LM3481 Tool/software: Hello, I am trying to simulate a flyback design utilizing the LM3481. I have imported an optocoupler part, Vishay / VOMA617A as well. When trying to run the simulation in PSpice for TI, I am running into…
    • 11 months ago
    • Simulation, hardware & system design tools
    • Simulation, hardware & system design tools forum
  • LM3481-SEPIC-CALC: LTSpice model

    Russell Woltering
    Russell Woltering
    TI Thinks Resolved
    Part Number: LM3481-SEPIC-CALC We tried importing the PSpice model into LTSpice, but the .lib file has syntax errors. is there a LTSpice library file available?
    • 27 days ago
    • Simulation, hardware & system design tools
    • Simulation, hardware & system design tools forum
  • LM3481: TINA simulation of Flyback converter using LM3481

    Vanja Lazarevic
    Vanja Lazarevic
    TI Thinks Resolved
    Part Number: LM3481 Tool/software: Hello, I am trying to design a Flyback converter using the LM3481, based on this document: https ://www .ti .com /lit /an /snva761a /snva761a .pdf ?ts =1730747987937 &ref_url =https %253A %252F %252Fwww .google .com…
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • LM3481: Question about sync

    Austin Do
    Austin Do
    Resolved
    Part Number: LM3481 Tool/software: Hello team, If using both R_fa resistor and external clock, is AC coupling cap or buffer needed? Or clock can be directly connected to SYNC pin which is already connected to R_fa? Best Regards, Austin
    • Resolved
    • 9 months ago
    • Power management
    • Power management forum
  • LM3481: Dynamic input current limit

    Ronald Jansen
    Ronald Jansen
    Part Number: LM3481 Tool/software: Hello, We use LM3481 for charging a buffer in photoflash applications. Different customers have different requirements. Some require fast buffer charging and other prefer a lower charging current. Because of…
    • over 1 year ago
    • Power management
    • Power management forum
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