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This is information on a product in full production.
December 2012 Doc ID 4467 Rev 11 1/21
21
TL431
TL432
Programmable voltage reference
Datasheet − production data
Features
■ Adjustable output voltage: 2.5 to 36 V
■ Sink current capability: 1 to 100 mA
■ Typical output impedance: 0.22 Ω
■ 1% and 2% voltage precision
■ Automotive temp. range - 40 °C to +125 °C
Applications
■ Power supply
■ Industrial
■ Automotive
Description
The TL431 and TL432 are programmable 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)
Z
TO-92
(Plastic package)
L
SOT23-3
L
SOT23-5
C
SOT323-6
www.st.com
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