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TL431B Datasheet

Automotive adjustable voltage reference

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Z
TO-92
(Plastic package)
L
SOT23-5
TL431
TL432
Automotive adjustable voltage reference
L
SOT23-3
C
SOT323-6
Datasheet - production data
Applications
Power supply
Industrial
Automotive
Description
The TL431 and TL432 are adjustable shunt
voltage references with guaranteed temperature
stability over the entire operating temperature
range. The device temperature range is extended
for the automotive version from -40 °C up to
+125 °C. The output voltage can be set to any
value between 2.5 and 36 V with two external
resistors. The TL431 and TL432 operate with a
wide current range from 1 to 100 mA with a typical
dynamic impedance of 0.22 Ω.
D
SO-8
(Batwing plastic micropackage)
Features
AEC-Q100 qualified
Adjustable output voltage: 2.5 to
36 V
Sink current capability: 1 to 100 mA
Typical output impedance: 0.22 Ω
0.5% voltage precision only on the TL431B
version
1% and 2% voltage precision
Automotive temp. range -40 °C to +125 °C
February 2021
This is information on a product in full production.
DocID4467 Rev 15
1/22
www.st.com


STMicroelectronics Electronic Components Datasheet

TL431B Datasheet

Automotive adjustable voltage reference

No Preview Available !

Contents
Contents
TL431, TL432
1
Schematic diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2
Absolute maximum ratings and operating conditions . . . . . . . . . . . . . 4
3
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Reference input voltage deviation overtemperature range . . . . . . . . . . . . . . . . . . . 8
4
Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4.1 SO-8 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4.2 TO-92 ammopack and tape and reel package information . . . . . . . . . . . 14
4.3 TO-92 (bulk) package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
4.4 SOT23-3 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
4.5 SOT23-5 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
4.6 SOT323-6 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
5
Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
6
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
2/22
DocID4467 Rev 15


Part Number TL431B
Description Automotive adjustable voltage reference
Maker STMicroelectronics
PDF Download

TL431B Datasheet PDF






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