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In this paper, a new design for efficiency enhance switching-capacitor DC-DC voltage converter based on combination of traditional charge-transfer-switch charge pump and cross-coupled output stage. In order to get a high output power and pump-efficiency. By using multi-phase technique, its can increase both of pump-efficiency and power-efficiency. The propose multi-phase mixed-structure charge pump...
In this paper, a regulated dual phase charge pump with switched-capacitor voltage reference is presented. This charge pump uses a dual phase technique to reduce the output ripple and combines the switch-capacitor CMOS voltage reference to diminish the chip area and quiescent current. This charge pump provides output voltage 5 V and maximum load current 5 mA with the constant frequency regulation....
Driven by the proliferation of implantable and self-powered electronic devices, low-voltage, low-power, high-efficiency DC-DC power converters are on high demands. This paper first reviews the state-of-the-arts charge pumps, with focus on power loss minimization, power stage architectures and control signaling. A new four-phase complimentary charge pump is then proposed. By employing the techniques...
In this paper, the regulated dual phase charge pump with compact size is presented. This charge pump uses the dual phase technique to reduce the output ripple and proposes a new power stage to define the stability of the overall system. This charge pump provides output voltage 5V and maximum load current 50 Am with the constant frequency regulation. This design is based on TSMC 035 mum 3.3V/5V CMOS...
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