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DCP020515D: What causes the absence of an output voltage?

user5104767
Prodigy 40 points
Part Number: DCP020515D


HI sir:

    When i use the DCP020515D,i cannot measure 15V output voltage.

   I use the schematic from DCP020515D Technical documents,

  What causes the absence of an output voltage?What should I pay attention to?

  • 0
    TI__Mastermind 38230 points

    Hi:

    Questions,

    1. What is the measured input voltage across the input 2.2uF ceramic capacitor? What are the actual connections by pin # for each input and output pin number?

    2. What is your actual schematic  including actual  input and output ceramic capacitor ?

    3. What is the output voltage circuitry connection to:

    Is this a FET power Driver , motor drive circuit? What is the maximum output voltage applied  on the drive circuitry?

    Send  the actual complete schematic for your  complete  output circuitry which  includes  FETS, IC components and all DC voltages present on the DCP020515D secondary output ?

    Tom

  • 0 in reply to Tom Guerin
    Prodigy 40 points
    Hi,Tom.
    Thanks for the quick reply.
    Maybe I need to make sure the chip is not broken at fist.