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150W Converter DC 12V to AC 220V Inverter Boost Module Step Up Board 34% OFF 150W Converter DC 12V to AC 220V Inverter Boost Module Step Up Board US$11.19 US$16.99 View It
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antaf56 11/10/2018
I am very satisfied of this module, it works accordingly to the spec. Just some suggestions: 1) To switch on the circuit it is necessary to put a short between the K and SW pad on the PCB 2) don't trust to the AC Voltage measurement provided by the multi-meter, except it is a thru RMS device capable to work up to 20 to 30 KHz.. To make a correct measurement use the oscilloscope. I powered with 12V and found a 450V pp square wave at output with a 220V 60W lamp , it is much more than 220V rms, but it is ok, the running frequency is around 20KHz. The module can be used to power a tube amplifier. To transform the AC in DC you can use a fast rectifier and a capacitor, the 12V DC input can power the tube heaters and the converter itself.
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  • Banggood Dear antaf56, Thank you for choosing Banggood and sorry for the inconvenience caused. We have forwarded your feedback to our customer service team and will give you a proper solution within 24-48 hours.  If you have any other inquiries, please do not hesitate to contact us by filling out the form at this link:  http://www.banggood.com/Contact-Us_hi111 We will do our best to assist you.  Best regards, Banggood Team

    19/04/2024

  • Fernando es normarl que se caliente? this regular what hot more? thanks

    Reply 17/08/2019

  • AtarLC hey can I ask you found the output a square wave but was it an inverted square or just pulse of one pole ? , or can you tell us what IC is used if it is possibly readable or not just a blank.

    Reply 07/10/2019

  • AtarLC actually I see from the photo it is a SG3525A which is a PWM IC so it’s almost certainly not inverted

    Reply 07/10/2019

  • Stalker is it good idea if I use it to power smps repair and troubleshooting rather than using isolation transformer?

    Reply 29/12/2019
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