3-34v Boost Voltage Converter – LED Failure

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F. David Cook
July 11, 2016 at 6:41 pm

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#6305 Reply |

DROK®Micro LED DC-DC Digital Boost Voltage Converter LM2577 3-34V to 4-35V
Received this product today. Works to boost voltage properly but LED display will not show any voltage except 0. When button is pressed the voltage shows [0] in red. Display will shut off and restart but no green display at all.

F. David Cook
July 11, 2016 at 6:47 pm

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#6306 Reply |

3-34v Boost Voltage Converter – LED Failure

I meant to say no green indicator led at all not green display.

F. David Cook
July 11, 2016 at 7:14 pm

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#6307 Reply |

Upon further testing it appears that this unit will not power up with a single cell lithium source that is 3.5v let alone 3v as advertised. Am I missing something in the technical description?

F. David Cook
July 12, 2016 at 2:06 am

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#6313 Reply |

The device does work with one lithium cell. The absence of the indicator LED and LED display required that the output be metered. All required output voltages were obtained. The remaining issues concern the LED display and LED green indicator.

Drok
Keymaster

July 12, 2016 at 3:50 am

Post count: 2971

#6320 Reply |

Hello F. David Cook,
Thank you for writing in and detailed description.
But it is better that you can send us some images of your wiring and the backside of the module to let us check the problem details.
With your help, we can find a solution more quickly.
You can send this information to us by email(service at droking dot com)
Looking forward to hearing from you.
Best regards
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Viewing 5 posts - 1 through 5 (of 5 total)