Laurent, You could build a charge pump with 2 diodes and 2 caps driven with a square wave from your 3.3V FPGA IO. Well, you wanted cheap! HTH, Syms.
Hi,
>
> I have to connect a LCD-I2C to my FPGA.
> My LCD can be supplied only with 5V, and I have only a 3.3V.
>
> Do you know a low cost step-up dc-dc converter solution.
>
> I only need 2 mA as output current.
>
> Regards,
> Laurent