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Showing 33 results View by: Thread Post Sort by
  • LM70840-Q1: Request for Efficiency vs Input Voltage Data – LM70840‑Q1

    Poojitha N
    Poojitha N
    Part Number: LM70840-Q1 Other Parts Discussed in Thread: LM70840 Dear TI Team, We are currently in the process of designing a non‑isolated buck converter with the following operating conditions: Input voltage: 48 V nominal Output voltage: 24…
    • 2 months ago
    • Power management
    • Power management forum
  • LM70840-Q1: Please review the schematic of LM70840-Q1

    Chase Jeong
    Chase Jeong
    Part Number: LM70840-Q1 Dear TI experts, My customer made their schematic with LM70840-Q1. Could you review this schematic? And here are some questions ; Is it okay to change the location of Cboot and Rboot below? 2. What is recommended…
    • 6 months ago
    • Power management
    • Power management forum
  • Answered
  • LM70840-Q1: LM70XX0-CALC: LM70840-Q1: External compensation needed?

    Fredrick Ze Tiong
    Fredrick Ze Tiong
    Resolved
    Part Number: LM70840-Q1 Hi, I want desigining a buck converter which has a switching frequency as high as possible (in this case 2.2MHz). Attached below is the excel spreadsheet for the values. Please if possible, can it be verified if the values are…
    • Resolved
    • 4 months ago
    • Power management
    • Power management forum
  • LM70840-Q1: Question about copper thickness

    Chase Jeong
    Chase Jeong
    TI Thinks Resolved
    Part Number: LM70840-Q1 Dear TI experts, My customer will make a PCB using LM70840-Q1. And they have a question about optimal copper thickness. As you know it is more expensive if we use thicker copper, so my customer wants to now minimum copper…
    • 5 months ago
    • Power management
    • Power management forum
  • LM70840-Q1: Heat sinking consideration

    Aravind Girishan
    Aravind Girishan
    Part Number: LM70840-Q1 Dear TI team, We are protyping using the LM70840-Q1 buck regulator with the following specification: Vin - 30 to 60V Vin Typ - 48V Vout - 5V Iout - 2A 4 layer stackup with 1 oz copper thickness L1 - Blue colour…
    • 6 months ago
    • Power management
    • Power management forum
  • Answered
  • LM70840-Q1: LM70840-Q1 - design calculations

    Roger Fernandes
    Roger Fernandes
    Resolved
    Part Number: LM70840-Q1 Other Parts Discussed in Thread: LM70840 , LM70880 Tool/software: I need to design a buck converter with below specifications: Input voltage: 17V to 63V. Output voltage: 12V. Load current: 1.5A max.1.2A Typical. Ambient…
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • RE: LM70XX0-CALC: LM70840-Q1: External compensation needed?

    EricLee
    EricLee
    Resolved
    Hello Fredrick. This thread is closed as a duplication. Please refer LM70840-Q1: LM70XX0-CALC: LM70840-Q1: External compensation needed?
    • 4 months ago
    • Power management
    • Power management forum
  • LM70840-Q1: symbol and footprint files in .edx format

    Akshay Amrutkar
    Akshay Amrutkar
    TI Thinks Resolved
    Part Number: LM70840-Q1 Tool/software: Could you please provide the symbol and footprint files for Part Number LM70840-Q1 in .edx or .hkp format, as required for the Xpedition Mentor Graphics tool
    • over 1 year ago
    • Power management
    • Power management forum
  • LM70840-Q1: Loop stability measurement

    Manel Jimenez1
    Manel Jimenez1
    TI Thinks Resolved
    Part Number: LM70840-Q1 Tool/software: Hello, We are implementing LM70840QRRXRQ1 in one of our designs. Vout is set to 5V so FB is connected to VDDA through a 24,9K resistor. How the loop stability measurement could be performed in this case?, where…
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • LM70840-Q1: Changing Output Voltage during operation

    Parker McNair
    Parker McNair
    Resolved
    Part Number: LM70840-Q1 Tool/software: Hello! On Page 15 of the data sheet, the following is shown : "The configuration settings are latched and cannot be changed until the input voltage to the LM708x0-Q1 is recycled." Does this mean if I connect a potentiometer…
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
>

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