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12 volt DC Voltage Stabiliser circuit
Al Thomason wrote:
If you can locate an HP F1064A it might do the trick. These are DC to DC converters designed for older HP laptops that had a 12v input to be ran off of a car battery. They supply around 60watts I think and provided a regulated 12v out. Getting a steady 12v out when the input is lower and sometimes higher then the output is a more difficult job for DC to DC converts. These old HP units handle it well. Have seen them on Ebay every once and a while for around $20. (One is there now listed for over $100, and incorrectly calling it an AC adapter.) I am using one for to drive my LCD panel. And FWIW, when I measured the output on the LCDs supplied AC adapter, it was 12.4v no load, down to 12.2v under load..... Good find Al. I searched the descriptions too for F1064A and there are a few of those at more reasonable prices ($40 shipped) in one of the eBay stores: http://tinyurl.com/2u5bwx The specs listed there a INPUT: 9V - 24V DC, 8.5A MAX OUTPUT: 12V DC 40W, negative-tip Jack -- Jack Erbes in Ellsworth, Maine, USA (jackerbes at adelphia dot net) (also receiving email at jacker at midmaine dot com) |
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