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May 15, 2007
I have received a couple emails from people looking for
inexpensive DC to DC converters, which can convert 40v to 60v DC
into say +5 or +12v. Such input voltages are often found in new
automotive and industrial applications with a typical DC voltage
of 48 volts. It turns out that many, not all, but many, standard
AC line operated power adapters, which use switch mode
techniques, will indeed work great when supplied with DC instead
of AC. The unit below works down to about 30v DC and delivers
500ma at 5v. If you draw less current, it will operate at even
lower DC input voltages. |
