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Showing 25 results View by: Thread Post Sort by
  • LP3985: LP3985-Whether the 4pin carries current

    user6350528
    user6350528
    TI Thinks Resolved
    Part Number: LP3985 LP3985IM5X-3.0/NOPB The materials purchased before at the position of the 4th pin have no current, but the current we purchased this time has 1.2V. Please help to confirm whether this is normal and whether the materials behind will…
    • 5 days ago
    • Power management
    • Power management forum
  • Answered
  • LP3985: No Output

    JAOverstreet
    JAOverstreet
    Resolved
    Part Number: LP3985 Other Parts Discussed in Thread: ADS1262 , LMP7721 I have 100 custom boards each with four LP3985IM5-2.5/NOPB voltage regulators. So far I have found six LP3985 regulators that don't output +2.5V. I have checked the capacitors to ensure…
    • Resolved
    • 5 months ago
    • Power management
    • Power management forum
  • LP3985: Not getting correct output voltage

    Young Shin
    Young Shin
    Part Number: LP3985 Hello I am using this chip. I had couple issues. When I use 3.3Volts input to generate 3.0V output, I get 2.6 Volts output. When I use 5.0Volts as a input I get 3.3~3.4 Volts as output. I am just wondering why I am not getting the…
    • 10 months ago
    • Power management
    • Power management forum
  • LP3985: Negative Power Supply

    GSXR100038
    GSXR100038
    TI Thinks Resolved
    Part Number: LP3985 Other Parts Discussed in Thread: TPS7A30 , TPS7A20 Hello, I would like to know how to use this component (LP3985) to supply a Amplifier with negative voltage. I just have to reverse the +VCC and GND to have a negative voltage to supply…
    • 11 months ago
    • Power management
    • Power management forum
  • LP3985: Can LP3985 replacement for TPS92612

    Li Chen92
    Li Chen92
    TI Thinks Resolved
    Part Number: LP3985 Other Parts Discussed in Thread: TPS7A24 Hi TI expert We are using TPS92612QDBVRQ1, can you help to check if LP3985 can replacement for TPS92612QDBVRQ1 Best regards, Thomas
    • over 1 year ago
    • Power management
    • Power management forum
  • LP3985: Minimum Vin

    Charles Cammarata45
    Charles Cammarata45
    TI Thinks Resolved
    Part Number: LP3985 Section 7 of the data sheet states: 7.4 Device Functional Modes 7.4.1 Operation with VOUT(TARGET) + 0.3 V ≤ VIN ≤ 6 V The device operates if the input voltage is equal to, or exceeds, VOUT(TARGET) + 0.3 V. At input voltages below the…
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • LP3985: LP3985IM5X-2.5/J7000802 : What's J7000802

    Gary Teng
    Gary Teng
    Resolved
    Part Number: LP3985 Hi Sir, Customer said they see LP3985IM5X-2.5/J7000802 in their order list but they can't find it in TI system. Can we know what's different in LP3985IM5X-2.5/J7000802 and LP3985IMX5-2.5/NOPB? Thanks for your kindly help. Regards…
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • LP3985: Start up into Pre-bias?

    Allen Wachter
    Allen Wachter
    Resolved
    Part Number: LP3985 Are there any issues with the LP3985-5.0 starting up into a pre-bias condition where the pre-bias will always be lower than Vin? It will also be lower than the output set point. Thanks!
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • TINA/Spice/LP3985: TINA model for LP3985 2.5V

    Mauro Trespidi
    Mauro Trespidi
    Resolved
    Part Number: LP3985 Other Parts Discussed in Thread: TINA-TI , , TLV713 , MSP430F2101 , LP3983 , TPS62125 , LP2985 , MULTIPKGLDOEVM-823 , DEM-SOT23LDO Tool/software: TINA-TI or Spice Models Hi, in order to compare startup behavior of LP3985 (2.5V) to TLV713 …
    • Resolved
    • over 4 years ago
    • Simulation, hardware & system design tools
    • Simulation, hardware & system design tools forum
  • LP3985: LP3985-2.5 output at 3.3V (no load) on two boards.

    Scott Grodevant
    Scott Grodevant
    Part Number: LP3985 Hi, I am debugging a new design that uses the LP3985-2.5 to power a FPGA. The same FPGA also has banks running on 3.3V. I have a series 0 ohm resistor between the regulator and FPGA so I can disconnect the FPGA load leaving only the…
    • over 5 years ago
    • Power management
    • Power management forum
>

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