L4949ED-E L4949EP-E
Automotive multifunction very low drop voltage regulator
SO-8
SO-20W (12+4+4)
Datasheet - product...
L4949ED-E L4949EP-E
Automotive multifunction very low drop voltage
regulator
SO-8
SO-20W (12+4+4)
Datasheet - production data
Description
The L4949ED-E and L4949EP-E are monolithic integrated 5V voltage
regulators with a very low dropout output and additional functions as poweron reset and input voltage sense. They are designed for supplying the microcomputer controlled systems especially in automotive applications.
Features
AEC-Q100 qualified ECOPACK®: lead free and RoHS compliant Operating DC supply voltage range 5 V - 28 V Transient supply voltage up to 40 V Extremely low quiescent current in standby High precision standby output voltage 5V±1% Output current capability up to 100 mA Very low dropout voltage less than 0.5 V Reset circuit sensing the output voltage Programmable reset pulse delay with external
capacitor Voltage sense comparator Thermal shutdown and short circuit protections
Package
SO-8 SO-20W
Table 1. Device summary Order codes
Tube -
L4949EP-E
Tape and Reel L4949EDTR-E L4949EPTR-E
September 2018
This is information on a product in full production.
DS6614 Rev 4
1/19
www.st.com
Contents
Contents
L4949ED-E, L4949EP-E
1
Block diagram and pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2
Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.1 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.2...