Forum Post: RE: LM2663

Hi Felicia,

Thank you for the question. Charge pumps don't regulate their output voltage and are very dependent on capacitor placement. LM2663 has 6V Max Vin so it won't work for the 2nd stage which has 10V from pins 3 & 8.

Please see attached for solution:(Please visit the site to view this file)

Thanks,

Anston