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Tag: switching converter

Cat Links Randoms

Chinese “1200W” DC-DC Boost Converter DOA Fix

Posted on April 1, 2018March 18, 2018 The Engineer

Ah the curse of the Chinese Electronics strikes again. These large DC-DC boost converters have become very common on the likes of AliExpress & eBay, and this time my order has arrived DOA… On applying power, the output LED lights up dimly, and no matter how I twiddle the adjustment

Continue readingChinese “1200W” DC-DC Boost Converter DOA Fix

Cat Links Hacks, Personal Project

Dell SE197FPf Monitor 12v Conversion

Posted on September 22, 2015 The Engineer

My other monitors are a different model, and have a slightly different main PCB inside, but the process is mostly the same for converting these to 12v supply. In this monitor type, there is only a single board, with all the PSU & logic, instead of separate boards for each

Continue readingDell SE197FPf Monitor 12v Conversion

Cat Links Hacks, Personal Project

Mobile Power Pack Upgrade

Posted on August 12, 2013 The Engineer

The original LM2577 based regulators I designed into my mobile battery pack turned out to be insufficient for requirements, therefore they have been replaced with higher capacity regulators. The 12v regulator (left) is a muRata UQQ-12/8-Q12P-C SEPIC converter, providing a max of 8A at 12.1v DC. The 12v rail is

Continue readingMobile Power Pack Upgrade

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