Involvement:Expert (understands the inner workings) - Ownership:1 week to 1 month
These units are small (17mm diameter, 3mm (approx) height) and easy to use if you have a good soldering iron.
They provide good efficiency if Vin is close to Vout (4*NiMh with a 3.5 to 4.0Vf LED, for exemple).
Reverse polarity protection is efficient and do...
These circuit boards require proper heat dissipation.
They are inefficient if the input voltage is much higher than the output(...
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