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首页> 外文期刊>IEEE Journal of Solid-State Circuits >A voltage down converter with submicroampere standby current for low-power static RAMs
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A voltage down converter with submicroampere standby current for low-power static RAMs

机译:具有亚微安待机电流的降压转换器,用于低功耗静态RAM

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摘要

A submicroampere standby current voltage downconverter (VDC) for high-density, low-power static RAMs is described. The current consumption of the VDC in standby mode can be decreased by using a novel low-current and temperature-independent current source circuit. The total current is less than 0.5 mu A at external voltage ranging from 3 to 5 V and at temperatures ranging from -20 to 80 degrees C. The voltage-follower circuits for standby and operation modes are stable despite the low current consumption in the standby mode. The phase margin of the voltage follower for standby mode is 50 degrees , and that for operation mode is 90 degrees . This indicates that the VDC is a promising circuit for battery-backup and high-density static RAMs.
机译:描述了一种用于高密度,低功耗静态RAM的亚微安待机电流下变频器(VDC)。待机模式下VDC的电流消耗可以通过使用新颖的低电流和温度无关的电流源电路来降低。在3至5 V的外部电压和-20至80摄氏度的温度下,总电流小于0.5μA。尽管待机时的电流消耗低,待机和工作模式的电压跟随器电路还是稳定的模式。待机模式下电压跟随器的相位裕度为50度,工作模式下为90度。这表明VDC是用于电池备份和高密度静态RAM的有前途的电路。

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