دانلود رایگان مقاله A 0.6 V Resistance-Locked Loop Embedded Digital Low Dropout Regulator in 40 nm CMOS With 80.5% Power Supply Rejection Improvement
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS
A 0.6 V Resistance-Locked Loop Embedded Digital Low Dropout Regulator in 40 nm CMOS With 80.5% Power Supply Rejection Improvement
The proposed resistance-locked loop (RLL) can achieve high PSRR of 16 dB digital low dropout (DLDO) regulator without consuming much power which is the drawback in prior arts. Even at light loads, the RLL can be shut down for power saving. Furthermore, the duty compensator ensures DLDO stability under different duty ratio of supply voltage. The operation voltage of proposed DLDO can be down to 0.6 V and the peak current efficiency is 99.99%. The test chip was fabricated in 40 nm CMOS process with all the transistors implemented by core device for small silicon area.
Index Terms—Current efficiency, digital low dropout (DLDO) regulator, resistance-locked loop (RLL).
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