Rationalisation of the Fibonacci Charge Pump

Abstract

This paper focuses on the practical aspects of the realisation the Fibonacci charge pump (FCP). The main attention is dedicated to the study of the influence of clock frequency and the capacitance of the used capacitor to key parameters of proposed FCP. This studying is performed by measurement of four specimens of FCP with different values of capacitance and clocking frequency. The rationalisation increases the efficiency to 85 % approximately (for VIN=3 V, VOUT =34.3 V, IOUT =1 mA). The results of this work allow rational selection of capacitance in relation to requested parameters of the designed charge pump.