STMicroelectronics L4949E
The L4949E is a monolithic integrated 5V voltage regulator with a very low dropout output and c additional functions as power-on reset and input du voltage sense. It is designed for supplying the ro microcomputer controlled systems especially in Obsolete P automotive applications.| Part No. | L4949E |
|---|---|
| Datasheet | L4949E Download |
| Manufacturer |  STMicroelectronics |
| Description | Multifunction very low drop voltage regulator |
| Buy | Stock & Price |
FEATURES
● Operating DC supply voltage range 5 V - 28 V● Transient supply voltage up to 40V
● Extremely low quiescent current in standby ) mode t(s
● High precision standby output voltage 5V±1% uc
● Output current capability up to 100mA d
● Very low dropout voltage less than 0.5V ro
● Reset circuit sensing the output voltage P
● Programmable reset pulse delay with external te capacitor le
● Voltage sense comparator so
● Thermal shutdown and short circuit protections - Ob
DESCRIPTION
t(s) SO-8 SO-20W (12+4+4) Table 1. Device summary Package Order codes Tube Tape and reel SO-8 L4949ED L4949ED013TR SO-20W L4949EP L4949EP013TR November 2009 Doc ID 4275 Rev 6 1/19 1 Contents Contents L4949E 1 Block diagram and pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2 Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2.1 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2.2 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
