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Adjustable Voltage Reference
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TL1431
Adjustable voltage reference
Datasheet -production data Features Adjustable output voltage: VREF to 36 V Sink current capability: 1 to 100 mA Typical output impedance: 0.22 Ω
L
SOT23-3L Z 0.4% and 0.25% voltage precision Automotive temp. range -40 °C to +125 °C TO-92 Description (Plastic package) The TL1431 is an adjustable shunt voltage
reference with guaranteed temperature stability
over the entire operating temperature range.
C
SOT323-6L
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SOT23-5L The output voltage may be set to any value
between 2.5 V and 36 V with two external
resistors.
The TL1431 operates with a wide current range
from 1 to 100 mA with a typical dynamic
impedance of 0.2 Ω D
SO-8
(Batwing plastic micropackage) December 2017
This is information on a product in full production. DocID5286 Rev 9 1/27
www.st.com Contents TL1431 Contents
1 Schematic diagrams . 3 2 Absolute maximum ratings and operating conditions . 4 3 Electrical characteristics . 6 4 Parameter definitions . 12 5 4.1 Reference input voltage deviation overtemperature range . 12 4.2 Temperature coefficient of reference input voltage . 12 4.3 Dynamic impedance . 12 Package information 13
5.1 SO-8 package information 14 5.2 TO-92 Ammopack package information 15 5.3 TO-92 (bulk) package information 17 5.4 SOT23-3L package information 18 5.5 SOT23-5L package information 19 5.6 SOT323-6L package information . 20 5.7 SO-8 packing information . 21 5.8 SOT23-3L packing information . 22 5.9 SOT23-5L packing information . 23 5.10 SOT323-6L packing information 24 6 Ordering information . 25 7 Revision history . 26 2/27 DocID5286 Rev 9 TL1431 1 Schematic diagrams Schematic diagrams
Figure 1. TO-92 pin connections (top view) Figure 2. SO-8 batwing pin connections (top view) …
