Title :
External control technique for current limit in LDOs
Author :
Stanescu, Cornel ; Iacob, Radu ; Dinca, Cristian ; Profirescu, Ovidiu
Author_Institution :
ON Semicond. Romania S.R.L., Bucharest, Romania
Abstract :
This paper presents an external control technique for the current limit in LDOs. Using an external resistor, the user can change the current limit within wide domain. This is possible by using a special block which generates the current reference for the current protection block. The block consumes between 5 and 25μA, and uses the 1.25V voltage reference. This technique was implemented within an adjustable soft-start LDO, built in a 16V CMOS technology.
Keywords :
CMOS integrated circuits; current limiters; voltage regulators; CMOS technology; LDO; current 25 muA; current 5 muA; current limit; external control technique; external resistor; low drop-out voltage regulators; protection block; voltage 1.25 V; CMOS integrated circuits; CMOS technology; Current measurement; MOSFETs; Resistors; Voltage control;
Conference_Titel :
Semiconductor Conference (CAS), 2011 International
Conference_Location :
Sinaia
Print_ISBN :
978-1-61284-173-1
DOI :
10.1109/SMICND.2011.6095833
