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MAX16840 LED Driver Slide 7
One of the challenges in measuring efficiency with MR16 bulbs is that the waveforms have AC components, thus care must be exercised for correct measurement. A power meter (or a power source with built-in power measurement function) needs to be used to measure the average input power. The waveforms shown on the right side of this slide are the driver input waveforms powered by a Lightech LET75 ET at 120 VAC, 60 Hz, without a dimmer.
PTM Published on: 2015-04-29