The Design of an Ultra-low Power Buck Regulator Supporting Dynamic Voltage Scaling for Wireless Sensor Networks

被引：6
|
作者：
Schemm, Nathan [1 ]
Balkir, Sina [1 ]
Hoffman, Michael W. [1 ]
机构：
[1] Univ Nebraska, Dept Elect Engn, Lincoln, NE 68588 USA
来源：
ISCAS: 2009 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS, VOLS 1-5 | 2009年
关键词：
D O I：
10.1109/ISCAS.2009.5117884
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The design of an ultra-low power buck regulator is proposed. The regulator is designed to be integrated with a single-chip wireless sensor network and provide high efficiency at low output currents to maximize the sensor's battery life. The maximum output current is 50 mA. Dynamic voltage scaling is also supported to further reduce total power dissipation. The no-load current of the complete regulator is less than 1 mu A. Simulation results give an expected efficiency of over 80% at 20 mu W of output power and a peak efficiency of over 95%.
引用
收藏
页码：828 / 831
页数：4
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