Title :
Capacitor free 100KHz 50mA DMOS voltage regulator
Author :
Cristian Ionascu
Author_Institution :
Infineon Technologies Romania SCS, Romania
Abstract :
A novel capacitor free DMOS 5V voltage regulator with a maximum output transient load regulation 150mV@100KHz (load current ramp from 500uA to 50mA); 20mV load regulation and 50mV line regulation for 50mA load current is presented. The proposed voltage regulator is based on a novel error amplifier structure and an automatic switching between LDO mode and normal regulator mode in order to minimize the ground current consumption from 1.8mA for 5.5V≪Vin≪8.4V to 750uA for 8.4V ≪Vin ≪28V. The work has been done in Infineon BCD Smart Power Technology for input voltage domain between 5.5V and 28V with absolute maximum input voltage rating 40V.
Keywords :
"Capacitors","Regulators","Preamplifiers","Low voltage","Voltage-controlled oscillators","Charge pumps","Ring oscillators","Transient response","Stability","Paramagnetic resonance"
Conference_Titel :
Semiconductor Conference, 2009. CAS 2009. International
Print_ISBN :
978-1-4244-4413-7
Electronic_ISBN :
2377-0678
DOI :
10.1109/SMICND.2009.5336671
