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  • RE: LMC555: What is the recommendation to suppress the unexpected output just after the startup?

    Resolved
    Hello Chris-san, Thank you for your comments. I'll recommend TLC3555-Q1 then. I hope you can add the information of TLC3555-Q1 in LMC555 web page as an alternative. The current LMC555 web page only shows the information of LMC555. Best Regards, …

  • RE: NA555: Inquiry About NA555 AEC-Q100 Qualification and Replacement Options

    Hello Chayapron, Only parts with a -Q1 suffix are automotive qualified. Try TLC555-Q1 or TLC3555-Q1
    • Answered

  • SA555: R, C value considerations

    Resolved
    Part Number: SA555 Other Parts Discussed in Thread: TLC3555-Q1 , TLC555 Hi team, I have 3 questions. I want to drive Astable Operation with 20us:L, 40us:H. Planning to use RA, RB:1330orm, C:0.022uF. In addition to the R and C tolerances, what…
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    • Answered

  • TLC555: Difference between TLC555 & AS555

    Resolved
    Part Number: TLC555 Other Parts Discussed in Thread: NE555 , SA555 , TLC3555 Tool/software: Can you please tell me which are the differences between TLC555 & AS555? For a new design, which one do you recommend me? Thanks, Marina.
    • Resolved

  • RE: SE556: SE556 or similar timer based PWM generator

    Hi Zeng, I recommend using the TLC3555-Q1 instead of the SE556 for this application considering your intended operating frequency of 1MHz or higher. For information on building a PWM generator, see the 7.2.2 Pulse-Width Modulation section of the TLC555…

  • RE: TLC555-Q1: The monostable trigger circuit composed of TLC555 outputs the OUT pin after power on

    Hi Zhang, Most 555 timers, including the TLC555, can behave unpredictably during the startup process as they do not have power on reset circuitry. During power-up, the internal comparators and flip-flops in the timer may produce outputs that aren't…

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