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  • RE: TPS55340: Constant current charging with SEPIC

    Resolved
    Hi EM, I'm sorry, I have misunderstood. It seems that a constant current circuit is realized using TLC272. Is this constant current circuit using TLC272 applicable to SEPIC of TPS55340? Best regards, Dice-K

  • TLC272 mysteries death

    Other Parts Discussed in Thread: TLC272 , TPS6734 Hi I have build a small test device with a TPS6734 12V step-up, a LC filter and 3 TLC272. After a few hours of operation, all 3 opamps died and now show the same symptoms: They work fine with a supply voltage…

  • TLC272 Split Supply Solution

    Other Parts Discussed in Thread: TLC272 Hello, I am currently testing an application that utlizes the TLC272 with a split supply with Vdd=+12V and the GND= -5V to create a negative reference voltage. It is periodically failing. The most likely culprits…

  • TLC272 replacement

    Other Parts Discussed in Thread: TLC272 , OPA348 , OPA2348 hi, i am new here! i am using a tlc272. the VDD is 5V and the VOH (High-level output voltage) is 3.8V. we need to replace the TLC272 with an other amplifier to have VOH around 4.5V it is a simple…
    • Answered

  • RE: LM741: Problem using LM741 as a comparator for low voltages

    Resolved
    Hi John, you could take the LM358. Or the TLC271, TLC272, TLC277, TLV271, TLV272, ... Kai

  • RE: 74ls107a

    Thx, Emrys. Your solution forces me to redesign the PCB. I can replace the TLC272 with the comparator TLV9032DR. It has the same pin connections and is fast enough for the input of the 74LS107A. But I keep your idea in mind for future designs. Thanks…

  • RE: TLC272B: VOL value is larger than typical value.

    Hi Wu, take care, to assure that the output MOSFET goes into hard saturation, VOL at IOL=0A is specified for VID=-0.1V (differential input voltage) and for VIC=0.5V (common mode input voltage). With a much smaller VID or even a positive VID the input…
    • Answered

  • TINA/Spice/PMP30104: Simulation error

    Resolved
    Part Number: PMP30104 Other Parts Discussed in Thread: TINA-TI , TPS40210 , , TLC272 Tool/software: TINA-TI or Spice Models Sir, I am Trying to run the schematic in Tina, the output voltage produced is in mV is not as specified. I am attaching TSC file. …
    • Resolved

  • RE: TINA/Spice/OPA209: OPA209

    Hi Yildirim, in order to achieve a symmetrical output signal I have taken a OPAmp with a low offset voltage. And in order to achieve a full output swing I have taken a OPAmp with output rail to rail ability. For experimenting you can use the TLC277 or…
    • Answered

  • RE: TLV3404: Piezo element // 2 stage op-amp design

    Resolved
    Hi Jeroen, why not taking the OPA348? The TLC272 should also work for a first testing. This is a CMOS OPAmp with low input bias current, too. Kai

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