An External Capacitor-Less Ultralow-Dropout Regulator Using a Loop-Gain Stabilizing Technique for High Power-Supply Rejection Over a Wide Range of Load Current

An external capacitor-less ultra low-dropout (LDO) regulator that can continue to provide high power-supply rejection (PSR) over a wide range of the load current is proposed. Using the loop-gain stabilizer (LGS) to fix the dc level of the output voltage of the error amplifier to the optimal value, t...

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Veröffentlicht in:	IEEE transactions on very large scale integration (VLSI) systems 2017-11, Vol.25 (11), p.3006-3018
Hauptverfasser:	Lim, Younghyun, Lee, Jeonghyun, Lee, Yongsun, Song, Seong-Sik, Kim, Hong-Teuk, Lee, Ockgoo, Choi, Jaehyouk
Format:	Artikel
Sprache:	eng
Schlagworte:	Bandwidth Capacitance Capacitors Dropout voltage Gain load current load regulation Logic gates loop gain low-dropout regulator (LDO) power-supply rejection (PSR) stability Stability criteria Transistors unity-gain frequency (UGF)
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