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Showing 10 results View by: Thread Post Sort by
  • RE: LP3981: Is Spice model available?

    Stephen Ziel
    Stephen Ziel
    Hi Koyo, The LP3981 was released prior to the time when spice models were developed to support new products. No spice model exists for this component, unlike our newer components. If you can offer the specific parameters you are interested in (Vin,…
    • over 5 years ago
    • Power management
    • Power management forum
  • RE: LP3981 EN Pin

    Donald Jones
    Donald Jones
    There is no diode between LP3981 EN pin and IN pin. You can safely operate the LP3981 EN pin from 0V to 6V, independent of the voltage on the IN pin.
    • over 10 years ago
    • Power management
    • Power management forum
  • LP3981 - Footprint & Solder Paste Volume

    Darrell McCullough
    Darrell McCullough
    Other Parts Discussed in Thread: LP3981 Hello! I am a Senior Process Engineer for an Automotive Electronics Manufacturer. We are having solder shorting issues on the LP3981. Looking at pg 24 of 25 in the lp3981.pdf document, it calls out 1:1 ratio for…
    • over 10 years ago
    • Power management
    • Power management forum
  • LP3981 and LP2985 sourced from the same Li-Po battery

    Dragana Maksimovic
    Dragana Maksimovic
    Other Parts Discussed in Thread: LP3981 , LP2985 Hello, My device is souced from Li-Po rechargeable battery. Regulated 3.3V for all components (microcontroller and microSD card + passive) was initially acheived by LP3981. Problem: write cycle to SD…
    • over 9 years ago
    • Power management
    • Power management forum
  • LP3981 footprint

    Chiara Perra
    Chiara Perra
    Other Parts Discussed in Thread: LP3981 , OPA2170 , LP3891 , LMV552 Hello! I'm a student majoring in Electronic Engineering. Currently i'm developing my thesis project, which includes the Ultra Low-Dropout CMOS Voltage Regulator LP3981. I have to create…
    • over 12 years ago
    • Power management
    • Power management forum
  • REG113: ESD specification of REG113EA-3.3/2K5

    Jason Ciou
    Jason Ciou
    TI Thinks Resolved
    Part Number: REG113 Other Parts Discussed in Thread: LP2950-N , TPS719 , TLV717P , LM9076 , LP5900 , TLV766-Q1 , TPS746-Q1 , LP3988 , LP3981 , TPS745-Q1 , LP2986 , TPS794 , , LP2989 , TLV707 , TLV733P , TPS785-Q1 , TPS7A60-Q1 , LMS1585A , LP3872 Hi team…
    • over 4 years ago
    • Power management
    • Power management forum
  • Answered
  • RE: WEBENCH® Tools/TLV707: TLV70733

    Wilson Fwu
    Wilson Fwu
    Resolved
    Hi kazuyoshi kumame, Please take a look at the following devices. These all have devices that have similar performance but with easier to solder packages: LP3981, TPS730, LM2936, LP5907. Regards, Wilson
    • over 7 years ago
    • Power management
    • Power management forum
  • RE: LP3981ILD thermal dissipation problem

    Donald Jones
    Donald Jones
    " ... I'm using the LP3981ILD in VSSOP ... " I'm confused on which package this is about: LP3981I LD = WSON, or LP3981I MM = VSSOP Using : Tj = (Ttop + (Ψjt × PD)) For your application : PD= ((5.0V - 3.3V) x 0.25A) = 0.425W, and (presuming) Ttop…
    • over 10 years ago
    • Power management
    • Power management forum
  • LP3891 EN Pin

    Paul Walker
    Paul Walker
    Other Parts Discussed in Thread: LP3981 , LP3891 , LP3892 Hi. I would like to know about the voltage range on the EN pin for the LP3891. I would like to be able to apply a "high" level greater than VIN to the EN pin to enable the part, but the data…
    • over 10 years ago
    • Power management
    • Power management forum
  • TI-API: The API does not query component inventory and make purchases

    Luccy luccy
    Luccy luccy
    TI Thinks Resolved
    Part Number: TI-API Why do I use the my API query product( LP3981ILD-3.3/NOPB ) inventory displayed at zero, in the web side see inventory is 1000. And it shows the error code when I run the purchase ( LP3981ILD-3.3/NOPB ) test. "errors" : …
    • over 2 years ago
    • API solutions
    • API solutions Forum

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