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Boost converter for battery widget
To step-up a single-cell 1.5v battery to ~3.3v, is there a better option
than using a boost regulator like an LM2623? (http://www.national.com/ds.cgi/LM/LM2623.pdf) I'm trying to hack out power options for a simple battery-operated LED gizmo, and it's turning out more complex than the gadget itself. BTW, load is 1mA to ~100mA depending on LED duty cycle, with a lot of "off" time. (The power needs to stay on, but the microcontroller will be quiescent - I'm not sure that a simple transistor+inductor scheme will give much battery life.) Thanks! Richard |
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