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设计了一种地电流约为0.6μA的基于低压差线形稳压器的放大器电路.此放大器的突出优点是与foldback 限流保护电路融合在一起,使得芯片不需要专门的限流模块,大大减少了电流支路,实现超低功耗.
An amplifier circuit based on a low-dropout linear regulator with a current of about 0.6μA is designed.The outstanding advantage of this amplifier is that it is integrated with the foldback current-limit protection circuit so that the chip does not need a special current-limit module and greatly reduces The current branch, to achieve ultra-low power consumption.