L4949ED-E Datasheet PDF - ST Microelectronics

Description

●The L4949ED-E and L4949EP-E are monolithic integrated 5V voltage regulators with a very low dropout output and additional functions as power on reset and input voltage sense. They are designed for supplying the microcomputer controlled systems especially in automotive applications.

●Features

●■ ECOPACK®: lead free and RoHS compliant

●■ Automotive Grade: compliance with AEC guidelines

●■ Operating DC supply voltage range 5 V - 28 V

●■ 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