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1 - Cathode
2 -Anode
3 -Anode
4 - N.C.
5 - N.C.
6 -Anode
7 -Anode
8 - Reference
1 - Cathode
2 - N.C.
3 - N.C.
4 - N.C.
5 - N.C.
6 -Anode
7 - N.C.
8 - Reference
Z
TO92
(Plastic Package)
.
ADJUSTABLE OUTPUTVOLTAGE :
2.5 to36V
.
SINK CURRENT CAPABILITY: 1 to 100mA
.
TYPICALOUTPUT IMPEDANCE : 0.22Ω
.
1%AND 2% VOLTAGEPRECISION
DESCRIPTION
The TL431is a programmableshuntvoltagerefer-
ence with guaranteed temperature stability over
the entiretemperature rangeof operation.
The output voltage may be set to any value be-
tween V
ref
(approximately2.5V)and 36V with two
externalresistors.
The TL431operateswith awide currentrangefrom
1 to 100mA with a typical dynamic impedance of
0.22Ω.
PIN CONNECTIONS
8765
1234
SO8
(Top view)
Cathode Anode Reference
123
TO92
(Topview)
D
SO8
(Batwing Plastic Micropackage)
PROGRAMMABLE VOLTAGE REFERENCE
TL431
ORDER CODES
Partnumber Temperature Range
Package
ZND
TL431C/AC 0
o
C, +70
o
C •••
TL431I/AI -40
o
C, +105
o
C •••
November 1998
N
DIP8
(Plastic Package)
8765
1234
DIP8
(Top view)
1/9
