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  • PMP40555: Inductance, shunt resistor

    Other Parts Discussed in Thread: PMP40555 , LM5155 Hi, I'm checking the PMP40555 schematic by the following calculator. PMP40555_LM5155_56_Excel_Quickstart_Calculator_for_Flyback_Regulator_Design.xlsx I think that the inductance is too small compared…
    • Answered

  • PMP40555: Würth Transformer

    Resolved
    Part Number: PMP40555 Hello i would like to use the reference design PMP40555 for development purposes, because it fits my needs relativly well. However, it is not clear, what kind of transformer is needed. There are no windung numbers, leakage inductance…
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    • Answered

  • PMP40555: Where to find the right transformer for LM5155?

    Resolved
    Part Number: PMP40555 Other Parts Discussed in Thread: LM5155 , Hi, I would like to was you support on a transformer to be combined with the LM5155. Given the characteristics my custoemr copied PMP40555 ref deisg. The only doubt customer has is about the…
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    • Answered

  • TPS40210: TPS40210-Reference data

    Resolved
    Part Number: TPS40210 Other Parts Discussed in Thread: LM5155 , PMP40555 Dear Sir We plan to desing TPS40210 (Vin =12 to 57V ,Vout =12v ) but we can not find the referecnce desing -PMP4650 on TI web Could you please provide the correcnt…
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  • RE: Isolated 12V/2.5A buck power supply IC suggestions

    Hi Tyler, Thank you for reaching out and considering TI solutions. You may consider the LM5157 or the LM5156 in a flyback configuration. The LM5157 has integrated MOSFET supporting a peak current of at least 6.5A, and the LM5155/56 employs external MOSFET…
    • Answered

  • LM5156: Ccomp, Rcomp

    Resolved
    Part Number: LM5156 Other Parts Discussed in Thread: LM5155 , PMP40555 , TL431 Hi, I would like to ask regarding Rcomp and Ccomp nearby COMP pin. These components are included in the following calculator. PMP40555_LM5155_56_Excel_Quickstart_Calculator_for_Flyback_Regulator_Design…
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  • RE: WEBENCH-POWER-DESIGNER: Confirmation: LM5155-Q1 design

    Hi Maynard， Although I‘m not familiar in this field, I'd like to discuss with you about this question.I think Rcs and Ccs is needed here. Your customer may refer to PMP40555 and PMP40569 for a flyback solution. Thanks. BR, Victor

  • RE: 42Vac flyback design query

    Hello Eric, The PMP40555 is almost closed to my specifications. The maximum input voltage of the PMP40555 is 60 volts. I need a maximum input voltage of 71 volts. 50x 1.414 = 71V. Do you know any driver that contains a higher input voltage range? In the…

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