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Showing 12 results View by: Thread Post Sort by
  • LP3990: 3.3 PSPICE model

    May
    May
    TI Thinks Resolved
    Part Number: LP3990 Hi Team, Customer is looking for the 3.3V LP3990 PSPICE simulation. Looking in the product folder, there is no specified pspice for 3.3V. Is there a reason about this? Thank you in advance. Regards, Maynard
    • over 3 years ago
    • Power management
    • Power management forum
  • LP3990: Short-circuit protection

    Carlo
    Carlo
    TI Thinks Resolved
    Part Number: LP3990 Hi team, Good day. It was mentioned in the datasheet that the LP3990 has thermal-overload and short-circuit protection. Regarding the short-circuit protection, our customer has the following questions. 1.To what time LDO output is ON…
    • over 4 years ago
    • Power management
    • Power management forum
  • Answered
  • TPS746-Q1: Start-up with 40uF output capacitance

    Robin D
    Robin D
    Resolved
    Part Number: TPS746-Q1 Other Parts Discussed in Thread: LP3990 , Tool/software: Hi, I'm looking to use the fixed 3.3V version of this part ( TPS74633PQWDRVRQ1) in a design. Vin = 5 - 6V. The load on the output will only be ~15mA, but there's ~40uF of…
    • Resolved
    • 9 months ago
    • Power management
    • Power management forum
  • LP3990 Output overshoot during turn off

    Stephen Thomas
    Stephen Thomas
    Other Parts Discussed in Thread: LP3990 Hi , We have a 1.2V generating circuit from 3.3V input using LP3990 LDO. Input is having 1uF ceramic capacitor output is having a 1uF ceramic,a 10uF tantalum and 4x 0.1uF ceramic capacitors. The rail is powering…
    • over 8 years ago
    • Power management
    • Power management forum
  • Answered
  • LDC3114-Q1: Power consumption questions

    Arthur Thompson27
    Arthur Thompson27
    Resolved
    Part Number: LDC3114-Q1 Other Parts Discussed in Thread: LDC3114 , LP3990 Hi, I have a couple questions about LDC3114 power consumption. 1: The LDC3114 datasheet Page 1 shows "One button: 6 µA at 0.625 SPS" while Page 5 shows "Standby supply…
    • Resolved
    • over 1 year ago
    • Sensors
    • Sensors forum
  • LP5900: Dropout Capability clarification

    David Shumate
    David Shumate
    TI Thinks Resolved
    Part Number: LP5900 Other Parts Discussed in Thread: LP3991 , LP3990 , Team, Due to shortages we are working on replacing a LP3990 and LP3991 with a LP5900. In the datasheet we see the following statement about dropout for LP3990: The LP5900 has a similar…
    • over 2 years ago
    • Power management
    • Power management forum
  • LP3985 or LP3990 - Minimum stable load current?

    john militzer
    john militzer
    Other Parts Discussed in Thread: LM4132 , LP3990 , LP3985 'Load Regulation' is specified from 1mA to 150mA for these parts. Can the regulator run and maintain output specifications below 1mA? Presumably they'll run smaller loads but will they suffer…
    • over 9 years ago
    • Power management
    • Power management forum
  • Answered
  • LP3990 - replacement for LP3985

    Robert Komander
    Robert Komander
    Resolved
    Other Parts Discussed in Thread: LP3990 , LP3985 Hi all! Because "asktexas" incomprehensibly doesn't let ask anything : have I 2 questions: 1. LP3985 has Cbyp 10nF at PIN4, LP3990 PIN4 is specified as UNCONNECTED, must the Cbyp be removed? …
    • Resolved
    • over 11 years ago
    • Power management
    • Power management forum
  • TINA/Spice/TPS60402: lack of proper models and also for other components.

    Mohammad Rajabi
    Mohammad Rajabi
    TI Thinks Resolved
    Part Number: TPS60402 Other Parts Discussed in Thread: TINA-TI , , LP3990 , LM337 , LM334 Tool/software: TINA-TI or Spice Models I have a design using TPS60402. I could not find any model for this component that I can use in Spice simulators. Furthermore,…
    • over 6 years ago
    • Simulation, hardware & system design tools
    • Simulation, hardware & system design tools forum
  • RE: TPS7A05: use TPS7A05 to replace LD39015M18

    Eric.Preiss
    Eric.Preiss
    Hi Will, LP5951 is close to same Iq and Iq shutdown performance, but dropout is higher. LP3990 has higher Iq, but lower Iq shutdown and slightly higher typical dropout. In addition to TPS7A05, these parts are the closest TI LDOs for this application…
    • over 6 years ago
    • Power management
    • Power management forum
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