Patent ID: 7382634

Claim:
Capacitive voltage multiplier for generating voltage pulses, preferably up to 100 V, that are higher than the supply voltage for displays, non-volatile memories and corresponding units especially in small electronic devices, such as handheld telecommunication terminals or corresponding devices, wherein the multiplier comprises a switching capacitor circuit ( 21 ) coupled between input ( 31 ) and output ( 32 ) terminals of the multiplier, said switching capacitor circuit ( 21 ) provided with capacitors and switches for charging the capacitors in parallel and discharging them in series in order to deliver a high voltage pulse, characterised in that the multiplier further comprises a diode chain circuit ( 22 ) coupled between said input ( 31 ) and output ( 32 ) terminals of the multiplier, said diode chain circuit ( 22 ) comprising a diode-chain and pumping capacitors for delivering high voltage current.