High-Performance Regulated Charge Pump with an Extended Range of Load Current

High-Performance Regulated Charge Pump with an Extended Range of Load Current

A regulated charge pump (CP) with an extended range of load current is presented. A power-efficient adaptive feedback controller is adopted. Verified by a 0.18 mu m CMOS technology with a power supply of 3.3V, the measured output voltage of the CP is regulated above 5V when the load current is varie...

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Veröffentlicht in:IEICE transactions on electronics 2015-12, Vol.E99.C (1), p.143-146
Hauptverfasser: Chen, Roger Yubtzuan, Yang, Zong-Yi, Lin, Hongchin
Format: Artikel
Sprache:jpn
Schlagworte:
Charge pumps
CMOS
Control systems
Controllers
Electric potential
Power supplies
Ripples
Voltage
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Zusammenfassung:A regulated charge pump (CP) with an extended range of load current is presented. A power-efficient adaptive feedback controller is adopted. Verified by a 0.18 mu m CMOS technology with a power supply of 3.3V, the measured output voltage of the CP is regulated above 5V when the load current is varied from 2.5mA to 50mA. The measured power efficiency spans from 81.7% at lighter load to 75.2% when load current is 50mA. The measured output ripples are small and below 24mV.
ISSN:0916-8524
1745-1353