L2949E Datasheet, PDF (1/7 Pages) Unisonic Technologies – LINEAR INTEGRATED CIRCUIT

UTC L2949E LINEAR INTEGRATED CIRCUIT
MULTIFUNCTION VERY LOW
DROP VOLTAGE REGULATOR
DESCRIPTION
The UTC L2949E is a monolithic integrated 5V voltage
regulator with a very low dropout output and additonal
functions as power-on reset and input voltage sense.It is
designed for supplying the microcomputer controlled
systems especially in automotive applications.
FEATURES
*Operating dc supply voltage range 5V to 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.
PIN CONNECTIONS
DIP-8
SOP-8
SOP-20
VS
1
SI
2
Vz
3
CT
4
8
VOUT
7
SO
6
RES
5
GND
DIP-8/SOP-8
Vz
CT
N.C.
GND
GND
GND
GND
N.C.
N.C.
RES
1
20
2
19
3
18
4
17
5
16
6
15
7
14
8
13
9
12
10
11
SOP-20
SI
VS
N.C.
GND
GND
GND
GND
N.C.
VOUT
SO
UTC UNISONIC TECHNOLOGIES CO. LTD ¹
QW-R102-014,A