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  • LM27761: Request for Guidance on LM27761 Bode Plot Measurement Setup

    TI Thinks Resolved
    Part Number: LM27761 To ensure stable operation of the LM27761 under the input voltage of 3.3 V, output voltage of −2 V, output current range of 1–5 mA, a input capacitance of 4.7uF, and a total output capacitance of 4.7 µF + 0.1 µF × 3, would Bode…
    • Answered

  • LM27761: About the output of LM27761

    Resolved
    Part Number: LM27761 Other Parts Discussed in Thread: TPS61299 Hi TI expert I have an application that inputs 3.3V and outputs -5.5V/0.1A. Can this application be achieved using the LM27761?
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    • Answered

  • LM27761: Issue with LM27761 PSpice model

    Resolved
    Part Number: LM27761 Hi, I am getting the following error when trying to simulate an LM27761 using Ngspice: The error message says: doAnalyses: TRAN: Timestep too small; time = 0.000465001, timestep = 1.25e-18: trouble with node "probe_int_probe_int_net…
    • Resolved
    • Answered

  • LM27761: Differing Vout when the only difference is package code on LM27761

    Resolved
    Part Number: LM27761 This question is about the LM27761DSGR. Please see the attached snippet to understand our implementation in schematics and layout We have had 7x of these boards built, in two batches. The first batch all correctly show Vout measuring…
    • Resolved

  • LM27761: Request for -5V Supply IC Recommendation

    Part Number: LM27761 Other Parts Discussed in Thread: TPS60403 Dear TI Support Team, We are currently using TPS60403QDBVRQ1 to generate –5V from a +5V input and are looking for a more cost-effective solution. Requirements: Input: +5V Output…
    • Answered

  • LM27761: negative voltage converter range issue

    Resolved
    Part Number: LM27761 Hi Team, could we know if there a soluiton that meet the following specificaiton? Regarding the +3.3v to -1.8V power IC, we require a solution with an adjustable output range from 0V to -2.5V and a step resolution of 0.6mV. Alternatively…
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    • Answered

  • LM27761: Input and output conditions

    Resolved
    Part Number: LM27761 Hi team, Is LM27761 possible to configure input and output configuration below? Input voltage: 3.3V Output voltage: -5V Output current: -60mA Best regards, Shunsuke Yamamoto
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    • Answered

  • LM27761: LM27761

    Resolved
    Part Number: LM27761 Tool/software: I would like to use LM27761 to generate -1.3V from +5V. The part's spec shows the minimum Vout as -1.5V. In the same time, the Vref is 1.22V. Logically, it should be capable to produce -1.3V. I did the test and…
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    • Answered

  • LM27761: LM27761 output abnormality, severe chip heating

    Resolved
    Part Number: LM27761 Tool/software: I want to use LM27761 to convert from+5V to -4.8V. The output waveform (TP15) shows that the output voltage drops by about half after power on, and the temperature of the thermal imaging display chip rises rapidly.…
    • Resolved

  • LM27761: Assistance Required for LM27761 – Unable to Achieve -2.2V Output

    TI Thinks Resolved
    Part Number: LM27761 Tool/software: Dear Texas Instruments Support Team, I hope this message finds you well. We are currently working with the LM27761 Low-Noise Regulated Switched-Capacitor Voltage Inverter in our project, aiming to achieve a -2.2V…

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