DESCRIPTION
●The L4949E is a monolithic integrated 5V voltage regulator with a very low dropout output and additional functions as power-on reset and input voltage sense. It is designed for supplying the microcomputer controlled systems especially in automotive applications.
●■ OPERATING DC SUPPLY VOLTAGE RANGE 5V - 28V
●■ TRANSIENT SUPPLY VOLTAGE UP TO 40V
●■ EXTREMELY LOW QUIESCENT CURRENT IN STANDBY MODE
●■ HIGH PRECISION STANDBY OUTPUT VOLTAGE 5V±1%
●■ OUTPUT CURRENT CAPABILITY UP TO 100mA
●■ VERY LOW DROPOUT VOLTAGE LESS THAN 0.5V
●■ RESET CIRCUIT SENSING THE OUTPUT VOLTAGE
●■ PROGRAMMABLE RESET PULSE DELAY WITH EXTERNAL CAPACITOR
●■ VOLTAGE SENSE COMPARATOR
●■ THERMAL SHUTDOWN AND SHORT CIRCUIT PROTECTIONS
