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Showing 250 results View by: Thread Post Sort by
  • LM1117: Tantalum v/s Ceramic Capacitors

    Harsh Songara
    Harsh Songara
    TI Thinks Resolved
    Part Number: LM1117 Hello, I have a query regarding the application of LM1117-3.3V regulator. The applications information suggests the use of Tantalum Bypass Capacitors. Can I instead use a ceramic bypass capacitor? And, what would be things I would…
    • over 5 years ago
    • Power management
    • Power management forum
  • Answered
  • LM1117: Can I increase maximum current output with increased Vin?

    Paul Kafig24
    Paul Kafig24
    Resolved
    Part Number: LM1117 Other Parts Discussed in Thread: LM317 The data sheet for this part says, "The LM1117 is a low dropout voltage regulator with a dropout of 1.2 V at 800 mA of load current." We have an application where I'd like to get more current…
    • Resolved
    • over 4 years ago
    • Power management
    • Power management forum
  • Answered
  • LM1117: Theta JA of SOT-223 Package

    Jejomar Ildefonso
    Jejomar Ildefonso
    Resolved
    Part Number: LM1117 Hi Team, Our customer would like to ask for some clarifications on the thermal data seen on the datasheet of LM1117. Previous revision (particularly rev. M) of the datasheet shows a θJA of 136°C/W while rev. N and its latest revision…
    • Resolved
    • over 5 years ago
    • Power management
    • Power management forum
  • Answered
  • LM1117: Failure modes in lower temperatures

    FRANK1
    FRANK1
    Resolved
    Part Number: LM1117 Greetings, This is a request from our customer from GILBARCO VEEDER ROOT INDIA. Now customer is using LM1117MPX-3.3 in product ranges which is rated for 0-125degC. he want to know the failure modes of this device when operated…
    • Resolved
    • over 5 years ago
    • Power management
    • Power management forum
  • Answered
  • LM1117: Required Minimum Load Current For Regulation?

    Gabriel Xu
    Gabriel Xu
    Resolved
    Part Number: LM1117 Hi LDO team My customer is using LM1117-3.3 fixed output voltage version in their design. I wondering to know are this device have requirement for minimum load current for output voltage regulation? In datasheet I found such…
    • Resolved
    • over 5 years ago
    • Power management
    • Power management forum
  • Answered
  • LM1117: pin compatible alternative

    Viktorija Cecil
    Viktorija Cecil
    Resolved
    Part Number: LM1117 Team, My customer is looking to add a 2nd source alternative to LM1117IMPX-3.3/NOPB on the current design. We would be second sourcing ourselves in this case. So, question is - do we have a pin compatible alternative to our device…
    • Resolved
    • over 5 years ago
    • Power management
    • Power management forum
  • LM1117: Temperature Stability, Temperature Stability,Long Term Stability

    Renan Santos Adriano
    Renan Santos Adriano
    TI Thinks Resolved
    Part Number: LM1117 Hi Team, Good day. My customer is working with LM1117IDT-5.0 and wanted to clarification on the worst-case VOut performance with respect to temperature. Checking with section 7.6, page 8. of datasheet Vout is specified as 4.8 to…
    • over 5 years ago
    • Power management
    • Power management forum
  • LM1117: ESR of Cout

    Fandy
    Fandy
    TI Thinks Resolved
    Part Number: LM1117 Hello, The ESR of the output capacitor should range between 0.3 Ω to 22 Ω. Capacitor datasheet shows that ESR depends on frequency, so the minimum demand on ESR should base on which frequency ?
    • over 5 years ago
    • Power management
    • Power management forum
  • LM1117: current limit response and the delay time

    user4979989
    user4979989
    TI Thinks Resolved
    Part Number: LM1117 Hi team, The typical current limit of LM1117 is 1.2A. I would like to know what is the response after LM1117 detects current limit, shutdown the output and latch? What is the delay time(response time) between LM1117 detects current…
    • over 5 years ago
    • Power management
    • Power management forum
  • LM1117: Doubt with recommended value ESR of the capacitor output.

    Leonardo Cunha
    Leonardo Cunha
    TI Thinks Resolved
    Part Number: LM1117 Hi team TI I bought some LM1117T-5.0 regulators this week directly from TI and i found out a old data sheet (August 2000) for LM1117 National Semiconductor that says the following: "The ESR of the output capacitor should be less…
    • over 5 years ago
    • Power management
    • Power management forum
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