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  • LP3985: LP3985-Whether the 4pin carries current

    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…
    • Answered

  • LP3985: No Output

    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

  • LP3985: Not getting correct output voltage

    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…

  • LP3985: Negative Power Supply

    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…

  • LP3985: Can LP3985 replacement for TPS92612

    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

  • LP3985: Minimum Vin

    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…
    • Answered

  • LP3985: LP3985IM5X-2.5/J7000802 : What's J7000802

    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
    • Answered

  • LP3985: Start up into Pre-bias?

    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
    • Answered

  • TINA/Spice/LP3985: TINA model for LP3985 2.5V

    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

  • LP3985: LP3985-2.5 output at 3.3V (no load) on two boards.

    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…

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