Answered

• LM70840-Q1: LM70840-Q1 - design calculations

  

  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

  • 3 months ago
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• LM70840-Q1: symbol and footprint files in .edx format

  

  Akshay Amrutkar

  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

  • 6 days ago
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• LM70840-Q1: Loop stability measurement

  

  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…

  • 1 month ago
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Answered

• LM70840-Q1: Changing Output Voltage during operation

  

  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

  • 12 days ago
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• LM70840-Q1: Gerber files for the EVM LM70880QEVM

  

  Roger Fernandes

  TI Thinks Resolved

  Part Number: LM70840-Q1 Other Parts Discussed in Thread: LM70880QEVM Tool/software: I need the Gerber files for the EVM LM70880QEVM to compare the thermal pad requirements.

  • 5 days ago
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Answered

• LM70840-Q1: Variation in VSBY-TH

  

  TAKAYUKI KOMURA

  Resolved

  Part Number: LM70840-Q1 Tool/software: Hello. For VSBY-TH, what are the MIN and MAX values for a TYP value of 0.55V? Thanks!

  • Resolved

  • 3 months ago
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Answered

• LM70840-Q1: Leakage current at EN/UVLO pin

  

  Shunsuke Nagata

  Resolved

  Part Number: LM70840-Q1 Tool/software: Hi, Are there internal pull-up / down or ESD protection diode at EN/UVLO pin? Datasheet block diagram doesn't show it. If there are internal components, could you please let me know the leakage current in below…

  • Resolved

  • 4 months ago
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• LM70840-Q1: Regulator and Inductor Running Hot, ~95C

  

  Lyla Stout

  TI Thinks Resolved

  Part Number: LM70840-Q1 Tool/software: I am using LM70840-Q1 for a 12V regulator, and it is running very hot. Attached is the filled out quick start calculator (circuit shown in calculator represents my circuit well). VinMin = 48V VinMax = 62V Vout…

  • 6 months ago
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Answered

• LM70840-Q1: Efficiency LM708X0-Q1 at light loads: around 70uA 5V output

  

  Alex Valín

  Resolved

  Part Number: LM70840-Q1 Tool/software: Hi! Happy new year! We have a question about the LM708x0 about the efficiency at light loads. In the datasheet it is specified from 1mA @5V output. Could you provide the efficiency for 70uA…

  • Resolved

  • 5 months ago
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• LM70840-Q1: Regarding Shunt Resistor

  

  Danish Malhotra

  TI Thinks Resolved

  Part Number: LM70840-Q1 Tool/software: Hello Team, We are planning to use the LM70840-Q1 buck converter in our product. We have a query regarding the shunt resistor (Rs) recommended in the design. If we don't want to use the sensing functionality…

  • 10 months ago
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