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Final power shizzle
3V to 5V Charge Pump IC 125mA output current
POWAH
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Hoffy
Engineering Student with a passion for bikes and procrastination.
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Wednesday, 13 April 2011
3V to 5V Charge Pump IC 125mA output current
2 Options
Cheap option.
MAX1595
http://www.farnell.com/datasheets/86683.pdf
http://au.element14.com/maxim-integrated-products/max1595eua50/ic-charge-pump-reg-5-0v-8-umax/dp/1673185
@ 3V in, I over load is 125mA dropping to 75mA at 2V input.
Circuitry more complex and probably more expensive with diodes required.
More expesive IC but overall possibly cheaper
MAX757
http://www.farnell.com/datasheets/60116.pdf
http://au.element14.com/maxim-integrated-products/max757csa/ic-dc-dc-conv-3-3v-5v-8-so/dp/1673219
@ 3v in, I over load is 200mA
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