Title :
A wide input voltage range, output-capacitorless linear voltage regulator in 0.25UM BCD process
Author :
Danhui Wang ; Yuanfu Zhao ; Suge Yue
Author_Institution :
Beijing Res. Inst. of Micro-Electron., Beijing, China
Abstract :
Linear voltage regulators are widely used in electronic systems for low noise and precise output voltage. This paper presents an output-capacitorless linear voltage regulator with 5.5V~40V input voltage, 5V output voltage and 100mA load current. The damping-factor-control (DFC) frequency compensation has effectively enhanced the loop stability. A high to low circuit is presented to supply power for the low working voltage bandgap. Finally, the load regulation is 75uV/mA @ VIN=40V; line regulation is 0.0019%; quiescent current is 130μA @VIN=5.5V and 600μA @VIN=40V. The proposed regulator also has fine load transient response.
Keywords :
damping; load regulation; voltage regulators; BCD process; DFC frequency compensation; current 100 mA; current 130 muA; damping-factor-control; electronic system; load current; load regulation; loop stability; output-capacitorless linear voltage regulator; quiescent current; size 0.25 mum; voltage 5 V; wide input voltage range; Bandwidth; ISO standards; Photonic band gap; Regulators; Time factors; Transient analysis; Voltage control;
Conference_Titel :
Semiconductor Technology International Conference (CSTIC), 2015 China
Conference_Location :
Shanghai
DOI :
10.1109/CSTIC.2015.7153481
