TL1431AI STMICROELECTRONICS [STMicroelectronics], TL1431AI Datasheet

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TL1431AI

Manufacturer Part Number
TL1431AI
Description
PROGRAMMABLE VOLTAGE REFERENCE
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet

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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 V
external resistors.
The TL1431 operates with a wide current range
from 1 to 100mAwith a typical dynamic impedance
of 0.2 .
PIN CONNECTIONS
March 1998
ADJUSTABLE OUTPUT VOLTAGE :
V
SINK CURRENT CAPABILITY : 1 to 100mA
TYPICAL OUTPUT IMPEDANCE : 0.2
0.4% AND 0.25% VOLTAGE PRECISION
ref
to 36V
ref
(approximately 2.5V) and 36V with two
Ca thode Ano de Reference
1
(Top view)
TO92
2
PROGRAMMABLE VOLTAGE REFERENCE
3
ORDER CODES
TL1431C/AC
TL1431I/AI
Part number
8
1
(Top view)
(Batwing Plastic Micropackage)
7
2
SO8
Temperature Range
6
3
(Plastic Package)
-40
-20
5
4
o
o
C, +105
C, +70
TO92
SO8
Z
D
o
o
C
C
1 - Cathode
2 - Anode
3 - Anode
4 - N.C.
5 - N.C.
6 - Anode
7 - Anode
8 - Reference
TL1431
Z
Package
D
1/8

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TL1431AI Summary of contents

Page 1

PROGRAMMABLE VOLTAGE REFERENCE . ADJUSTABLE OUTPUT VOLTAGE : . V to 36V ref . SINK CURRENT CAPABILITY : 1 to 100mA . TYPICAL OUTPUT IMPEDANCE : 0.2 0.4% AND 0.25% VOLTAGE PRECISION DESCRIPTION The TL1431 is a programmable shunt voltage ...

Page 2

TL1431 ABSOLUTE MAXIMUM RATINGS Symbol Parameter V Cathode to Anode Voltage KA I Continuous Cathode Current Range K I Reference Input Current Range ref T Operating Free-air Temperature Range oper T Storage Temperature Range stg OPERATING CONDITIONS Symbol Parameter V ...

Page 3

... C 1.5 2 amb max amb max. 0.5 1 180 500 1kHz 0.2 0 fma x. V ref min. Tempera ture 2.5V min ture TL1431 TL1431AI Unit Min. Typ. Max ppm 100 mV/V -1 1.5 2 0.8 1.2 mA 0.5 0.7 180 500 nA 0.2 0.5 3/8 ...

Page 4

TL1431 Figure 1 : Test Circuit for ref Input ref Figure 3 : Test Circuit for I off Input I off 4/8 Figure 2 : Test Circuit for Input R ...

Page 5

DRIFT (mV) vs TEMPERATURE ( 10mA Vref drift (mV -10 -12 -14 -40 - Temperature ( C) CATHODE CURRENT vs CATHODE VOLTAGE (detailed version) ...

Page 6

TL1431 DRIFT TEMPERATURE 10mA Drift (Ohms) 0 -0,01 -0,02 -0,03 -0,04 -40 - Temperature ( C) PHASE MARGIN vs FREQUENCY I = 10mA k Phase ...

Page 7

PACKAGE MECHANICAL DATA 8 PINS - BATWING PLASTIC MICROPACKAGE (SO) Millimeters Dimensions Min. Typ 0 0.65 b 0.35 b1 0. 4.8 E 5.8 e 1.27 e3 3.81 F 3.8 L 0.4 M ...

Page 8

TL1431 PACKAGE MECHANICAL DATA 3 PINS - PLASTIC PACKAGE TO92 Millimeters Dimensions Min. Typ. L 1.27 B 3.2 O1 4.45 5.00 C 4.58 5.03 K 12.7 O2 0.407 a 0.35 Information furnished is believed to be accurate and reliable. However, ...

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