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  • LM2842-Q1: Voltage regulation at FB pin is 0.803 V instead of specified 0.765 V, on recent production lot of 100 boards. Previous 1000 boards are at 0.765V as expected.

    Part Number: LM2842-Q1 We have used this part for 3 years now for a PCB in full production. In the latest fab run of boards, these devices seem to be regulating to a FB=0.803 V instead of FB=0.765. The timing of the regulator period is about 714 ns with…

  • LM2842: Pin to pin with LM2842 solution with higher output current

    TI Thinks Resolved
    Part Number: LM2842 Other Parts Discussed in Thread: LMR14010A Hi team, Do you have solution P2P with LM2842, and have higher output current larger than 1A? Thanks.
    • Answered

  • LM2842: LM2842 Inductor question

    Resolved
    Part Number: LM2842 Why does the SW point of the LM2842 have a phenomenon as shown when the inductance of LM2842 is insufficient, and when a large inductance is changed, a normal square wave is output？ What is the specific reason？
    • Resolved

  • LM2842: Since the LM2842XMK-ADJL/NOPB is now 12 years old, is any discontinuation in the near future expected for this part?

    TI Thinks Resolved
    Part Number: LM2842 Other Parts Discussed in Thread: TPS560430 , LMR36506 We have been designing in this part for the past 11 years, and still are, so we are a bit concerned regarding how long it will continue to be manufactured. Kind regards, John Orr…

  • WEBENCH® Tools/LM2842-Q1: Bode Plot (Gain-Margin)

    TI Thinks Resolved
    Part Number: LM2842-Q1 Other Parts Discussed in Thread: LM2842 , TEST Tool/software: WEBENCH® Design Tools I have a question regarding the stability simulation and analysis of the LM2842. Simulated with Webbench the Bodeplot give a phase marging (0db) of…
    • Answered

  • LM2842-Q1: Do we have the Vibration and Mechanical Shock Test?

    Resolved
    Part Number: LM2842-Q1 Other Parts Discussed in Thread: TEST , Dear team, Do we test below items marked by red box? If so, where can I find the test data? I didn't find it in the datasheet. Thanks & Best Regards, Sherry
    • Resolved

  • LM2842: LM2842XMK tech issue

    TI Thinks Resolved
    Part Number: LM2842 Dear TI, Recently there is something wrong with our products using LM2842XMK-ADJL/NOPB , we provide the input of 24V/70mA, but some IC were destroyed afrer powering up.Now 6pcs failed in 12pcs. Could you please review our design below and…

  • LM2842: LM2842：the output can‘t turn-off when the SHDN PIN is LOW

    TI Thinks Resolved
    Part Number: LM2842 Other Parts Discussed in Thread: LM2742 Hi Team， My customer use PNP to give PWR EN signal to LM2842 SHDN PIN. The SCH is following. However, When PNP is turn-off, the voltage of PWR_EN is 0V, but LM2842's output is 3V not 0V. …

  • LM2842: Using LM2842 SHDN/Soft-Start as capacitor charger or LED driver

    TI Thinks Resolved
    Part Number: LM2842 Other Parts Discussed in Thread: BQ24640 , LM5022 I am curious if controlling the SHDN pin of the LM2842 can allow it to be used as a constant-current source. I'm thinking in particular of an LED driver (where the voltage target would…
    • Answered

  • LM2842: Won't start - stays at 3.28V

    Resolved
    Part Number: LM2842 Other Parts Discussed in Thread: TEST , LM25007 , COT I have a wired behavior with my LM284x. My circuit should output 5.5V. If I slowly raise the input voltage Vin from 0...8V the output voltage will raise until 3.28V and stay there. The…
    • Resolved

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