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PDF TL1431ACD Data sheet ( Hoja de datos )
| Número de pieza | TL1431ACD | |
| Descripción | PROGRAMMABLE VOLTAGE REFERENCE | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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TL1431
PROGRAMMABLE VOLTAGE REFERENCE
. ADJUSTABLE OUTPUT VOLTAGE :
Vref to 36V
. SINK CURRENT CAPABILITY : 1 to 100mA
. TYPICAL OUTPUT IMPEDANCE : 0.2Ω
. 0.4% AND 0.25% VOLTAGE PRECISION
Z
TO92
(Plastic Package)
DESCRIPTION
The TL1431 is a programmable shunt voltage ref-
erence with guaranteed temperature stability over
the entire temperature range of operation.
The output voltage may be set to any value be-
tween Vref (approximately 2.5V) and 36V with two
external resistors.
The TL1431 operates with a wide current range
from 1 to 100mAwith a typical dynamic impedance
of 0.2Ω.
D
SO8
(Batwing Plastic Micropackage)
ORDER CODES
Part number Temperature Range
TL1431C/AC
TL1431I/AI
-20oC, +70oC
-40oC, +105oC
Package
ZD
••
••
PIN CONNECTIONS
TO92
(Top view)
Ca thode Ano de Reference
1 23
SO8
(Top view)
8765
1234
1 - Cathode
2 - Anode
3 - Anode
4 - N.C.
5 - N.C.
6 - Anode
7 - Anode
8 - Reference
March 1998
1/8
1 page  
DRIFT (mV) vs TEMPERATURE (oC)
Vref drift (mV)
0
-2
-4
-6
-8
-10
-12
-14
-40 -20
Ik = 10mA
Vka = Vref = 2.5V
0 20 40 60
Temperature (°C)
80 100 120
TL1431
CATHODE CURRENT vs CATHODE VOLTAGE
Vka = Vre f
CATHODE CURRENT vs CATHODE VOLTAGE
(detailed version)
Vka = Vref
REFERENCE CURRENT vs TEMPERATURE
Iref (µA)
2
1,8
1,6
1,4
1,2
1
-40 -20
Ik = 10mA
Vka = Vref
0 20 40 60
Temperature (°C)
80 100 120
OFF-STATE CATHODE CURRENT vs
TEMPERATURE
Ioff (µA)
0,1
0,08
0,06
0,04
0,02
0
-40 -20
0 20 40 60
Temperature (°C)
80 100 120
RATIO OF CHANGE IN Vref TO CHANGE IN
VKA vs TEMPERATURE
d(Vref) / d(Vka ) (mV/V)
-0 ,9
-1
-1 ,1
-1 ,2
-1 ,3
-1 ,4
-1 ,5
-1 ,6
-40 -20 0
Ik = 10mA
Vka = Vref = 2.5V
20 40 60
Temperature (°C)
80 100 120
5/8
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet TL1431ACD.PDF ] | |
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