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questions about DCH010505S

user4228189
Prodigy 10 points
Other Parts Discussed in Thread: DCH010505S

when I use the DCH010505S,I have encountered some problems that when the input voltage is 5V,the output voltage is 7.6~8V. But according to the chip manual, the output voltage should be 5V.Can you help me?Thank you.

  • 0
    TI__Mastermind 38230 points

    DCH010505S and all DCH series are unregulated isolated power converters.

    With exactly 5Vin  and no load on the Vout bus, the output voltage can be as high as 8V or slightly higher  with 0 load.

    Typically  with 20mA load( 10% of 200mA maximum load) , the published Vout with exactly 5Vin is about 5.6V. The data sheet  has load regulation from 20mA to 200mA .

    Tom