A new design of power supplies for pocket computer systems

A nerv design of power supply based on the idea of switched capacitors, as applied to pocket computer systems, is presented, This new type of power supply is inductorless and, consequently, suitable for hybridization and even monolithic integration. The new design is also based on distinguishing characteristics of pocket digital computer systems, in which a switched-capacitor converter san work well, since minimal regulation is required, The new device may enable the pocket computer system to be Dowered by only one battery, resorting in a simple topology. Two switched-capacitor converters, +12 V/-12 V, +5 V and +5 V/+12 V, -12 V, are shown, respectively, as an example for demonstrating the basic principle and its performance, PSPICE simulation and laboratory models show good results for this new type of power supply.