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October 2017
DocID7961 Rev 6
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This is information on a product in full production.
www.st.com
TS2431
Adjustable shunt voltage reference
Datasheet - production data
Features
Adjustable output voltage: 2.5 to 24 V
Precision selection at 25 °C: ± 2%, ± 1% and
± 0.5%
Sink current capability: 1 to 100 mA
Industrial temperature range: - 40 to + 105
°C
Performance compatible with industry-
standard TL431
Applications
Computers
Instrumentation
Battery chargers
Switch mode power supplies
Battery-operated equipment
Description
The TS2431 is an adjustable shunt voltage
reference with guaranteed temperature stability
over the entire temperature range of operations
from - 40 to + 105 °C. The output voltage may be
set to any value between 2.5 and 24 V with an
external resistor bridge. Available in an SOT23-
3L surface mount package, the device can be
implemented for those applications where space-
saving is of the utmost importance.
Table 1: Device summary
Order code
Temperature range
Package
Packing
Precision
Marking
TS2431ILT
-40 to + 105 °C
SOT23-3L
Tape and reel
2%
L285
TS2431AILT
1%
L286
TS2431BILT
0.5%
L287
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