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what is the drivers efficiency?
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#1 (permalink)      5/31/2013 9:01:20 AM US Central   quote/reply + tips
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what is the drivers efficiency?
#2 (permalink)      6/15/2013 8:38:06 AM US Central   quote/reply + tips
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We've tested the product, the current output under Hi mode is 2710mA.
#3 (permalink)      4/17/2016 11:06:10 AM US Central   quote/reply + tips
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LD-29 review at lygte-info.dk

Short answer: between 85 and 90%; if pushing up the output current through a shunt resistor mod (4+ amps), efficiency may drop a bit. Reducing the input/output voltage delta improves efficiency.
See here: Resistor mod on LD-29 driver


Edited on 4/17/2016 at 11:08 AM. Reason: