piclist 2001\07\18\052618a >
Thread: Voltage Reg vs Switcher
www.piclist.com/techref/power/priswitch.htm?key=switcher
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face BY : mike@.....whitewing.co.uk



On Tue, 17 Jul 2001 11:08:41 -0400, you wrote:

>Thanks everyone for the quick and informative responses!
>
>I am going to research both the split transformer solution and the 5-12
>voltage booster solution today.  $10 is too much for a switcher in this
>application. The budget is more like $4 or under.
For most small LCDs, you can often use a simple charge pump to boost
the 5V rail. If you can generate the drive waveform from the PIC (PWM
output or software toggle), the cost is just a  few diodes & caps -
pennies
>
>
>{Original Message removed}
<2in8lt0dq6mrsfoktt5bro62ka9u7r26a1@4ax.com> quoted-printable

In reply to: <008501c10ed2$5e1b4110$32c710ac@home.junga.com>
See also: www.piclist.com/techref/power/priswitch.htm?key=switcher
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