thefish
Enlightened
As some of you may remember I have been developing and LED driver off and on since well forever it seems... anyway after about 4 revisions on the computer and then 2 revisions in hardware I now have one that I can happy with...
Specs:
Runtime Data
My paypal address:
CC (Pls Add 1%) [email protected]
Cash payments [email protected]
Specs:
- Nominal Dia = 0.69"
- 350ma CC Voltage Boost
- Vin = 3V-3.6V (not tested outside this range)
- Absolute Max Vin = 6V (above this will destroy the IC)
- Vlockout = 1.4-1.8V (to protect cells)
- Auto dimming on low battery detect (1.85-2.2V)
- Analogue Current Control 20-100% (swap R1 for a Pot)
- Efficiency ~88% @ 3V
Runtime Data
- 3x AAA Sanyo 1000ma NiMH
- 141 min (high power)
- 3 min (transition time)
- 75 min (low power) <-- Note test stopped early
My paypal address:
CC (Pls Add 1%) [email protected]
Cash payments [email protected]
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