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JSP
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Re: Part II: Getting Ready for High Brightness LEDs & the Light-Enabled View of Tomorrow
JSP   5/8/2012 1:57:17 PM
NO RATINGS
WRT Slide 10 yesterday' slide deck,  and the connection to 120VAC, I note that bridge rectifiers can be very inefficient and even at 70mA or so, the theoretical peak voltage of 168VDC rapidly drops to 145VDC or so even under this moderate load. At 100mA it is closer to 135VDC.

BTW, since the diodes have a turn-on knee, a bleed resistor is highly recommended across the DC capacitor.



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