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  • TL499A: Need to transform 3.7 V to 20V and data sheet is either not helpful or too complicated.

    Resolved
    Part Number: TL499A So I have the TL 499A and I want to take a samsung limo battery, then use it to create 20V. I tried to follow the guide lines in the data sheet but it basically just says, "connect the circuit shown in figure one, unless specified…
    • Resolved

  • TL499A slow start-up, poor efficiency

    Other Parts Discussed in Thread: TL499A Help please! Anyone seen or have suggestion on this please? A prototype 1.5V (AA alkaline cell) to 9V switcher circuit using TI guidelines doesn't work as intended. 1) It is very slow to start switching, around…

  • LM5155-Q1: Roadmap for Low Vin to High Vout Boost DC/DC

    TI Thinks Resolved
    Part Number: LM5155-Q1 Other Parts Discussed in Thread: LM5155 , TL499A Is there roadmap for below Boost DC/DC? ・Vin: 1.8V_min ~ ⇒Supply power is 2~3 cell NiMH battery, 1.8V is minimum case with margin. ・Vout: 6V~28V 　⇒Vout is depend on customer…

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