On 8/11/13 9:24 PM, taylorjpt wrote:
Proto/Test Bench: http://ppl.ug/SJYXP4kw6u4/
50W test data: http://ppl.ug/dwkhS2L32kI/
85% efficiency from 20mA to 260mA at 204V out and 24VDC input. It has
the same adjustment scheme as the 1364 as well as enable logic. Very
quiet and very low EMI since the transformer is a closed torroid. A
difference from the 1364 is there is no true shut-down, i.e. the output
will track the input when the power supply is disabled.
The footprint is the same as the 1364. The Z-axis is a little bit
thicker and will be potted in a thermally conductive epoxy with a
threaded insert in the center for mounting a heatsink. (At 85%
efficiency and 50W out, there is 9W of heat to pull out).
jt
John,
Congratulations on getting so much power out of a tiny gizmo.
It's nice to see what someone who does this for a living can achieve.
--
David Forbes, Tucson AZ
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