Search tips
Showing 260 results View by: Thread Post Sort by

  • LM5085: Double switching pulse

    TI Thinks Resolved
    Part Number: LM5085 Other Parts Discussed in Thread: LMR38020 Tool/software: Hi to all, i did this design (18V-60V DC to 14.5V 1.2A) with the webbench power designer. It works, but i have a double pulse while switching (short on, before on). I read…

  • LM5085-Q1: Doubts regarding components and custom PCB size

    TI Thinks Resolved
    Part Number: LM5085-Q1 Other Parts Discussed in Thread: LM5085 , LM5149 , LM5148 Tool/software: Hello, I want to design the LM5085 to give 5V and 10A at the output, the input would be from 10V to 60V. I need two of the same circuits on the same board…

  • LM5085-Q1: Buck application, VIN less than the VOUT, but input voltage is bigger than the UVLO situation

    TI Thinks Resolved
    Part Number: LM5085-Q1 Other Parts Discussed in Thread: LM5085 , LM5175 Tool/software: I want to use the LM5085 in the to genrate the 7.5V, 5A. But VIN is 4.5V -36V, so I have the question, when the VIN is less than the VOUT, maybe VIN is 4.5V to 7…

  • LM5085-Q1: Error in simulation in LTspice

    TI Thinks Resolved
    Part Number: LM5085-Q1 Other Parts Discussed in Thread: LM5085 I am trying to simulate a buck converter using the the PSPICE .lib file in LTspice (LM5085_TRANS) and It shows an error that says "Analysis: Time step too small; time= 1.26758e-11, timestep…

  • LM5085: LM5085 as a Constant current source

    TI Thinks Resolved
    Part Number: LM5085 Other Parts Discussed in Thread: TINA-TI , I have an application where it requires the output current to be limited. Please find the requirements below Vin(min) = 60V Vin(max) = 68V Vout = 60V Current limit = 10A switching…
    • Answered

  • LM5085-Q1: Output Ripple and Noise

    Resolved
    Part Number: LM5085-Q1 Hi, I have designed a buck converter for my project. It works but it has much ripple on output. Noise affected other designs. I used reference design but it has not worked well. I changed the RT resistor and removed cff capacitor…
    • Resolved

  • LM5085: Question on "Functional Block Diagram"

    TI Thinks Resolved
    Part Number: LM5085 Hello team, Can you tell me the how the red part work? What is purpose of OFF Time One-Shot? What is status of the SR flip flop when OC occurs? Best regards, Shotaro
    • Answered

  • LM5085: FET selection affect ripple injection value?

    Resolved
    Part Number: LM5085 Hello team, Does Q1 selection affect the value of ripple voltage on Type-3 Ripple Circuit? Best regards, Shotaro
    • Resolved
    • Answered

  • LM5148: Design Review for a 12V - 20A buck converter and 5V 8A buck converter (LM5085)

    Resolved
    Part Number: LM5148 Other Parts Discussed in Thread: LM5085 , LM5146 , LM5143 Tool/software: Hi, Can you please help review the attached schematic below and see if you notice any issues. There are two buck converters, the one based off of LM5148 is…
    • Resolved

  • LM5085: The triode of LM5085 current limiting circuit makes a whistling sound when the battery voltage rises to above 52V.

    TI Thinks Resolved
    Part Number: LM5085 TI experts, I use LM5085 to make a DC-DC step-down circuit to charge the lithium ion battery, The LM5085 input is a power adapter 60V/5A, and the output is 56V/4A after LM5085 to charge the lithium ion battery. In order to have…

Didn't find what you are looking for? Post a new question.