TL431 PDF даташит
Спецификация TL431 изготовлена «STMicroelectronics» и имеет функцию, называемую «PROGRAMMABLE VOLTAGE REFERENCE». |
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Детали детали
Номер произв | TL431 |
Описание | PROGRAMMABLE VOLTAGE REFERENCE |
Производители | STMicroelectronics |
логотип |
21 Pages
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TL431
TL432
Programmable voltage reference
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.
Datasheet − production data
Z
TO-92
(Plastic package)
L
SOT23-3
L
SOT23-5
C
SOT323-6
D
SO-8
(Batwing plastic micropackage)
December 2012
This is information on a product in full production.
Doc ID 4467 Rev 11
1/21
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Contents
Contents
TL431, TL432
1 Schematic diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2 Absolute maximum ratings and operating conditions . . . . . . . . . . . . . 4
3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3.1 Reference input voltage deviation over temperature range . . . . . . . . . . . . 7
4 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4.1 SO-8 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4.2 TO-92 ammopack and tape and reel package information . . . . . . . . . . . 13
4.3 TO-92 (bulk) package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
4.4 SOT23-3 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
4.5 SOT23-5 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
4.6 SOT323-6 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
5 Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
6 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
2/21 Doc ID 4467 Rev 11
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TL431, TL432
1 Schematic diagrams
Figure 1. TO-92 pin connections (top view)
Schematic diagrams
Figure 2.
SO-8 batwing pin connections (top view)
Cathode 1
Anode 2
3
NC 4
SO8
8 Ref
7 Anode
6
5 NC
Figure 3. SOT23-5 and SOT23-3 pin connections (top view)
NC 1
NC 2
Cathode 3
SOT23-5
5 Anode
4 Ref
SOT23-3
Cathode 1
Ref 2
3 Anode
TL431
TL431
Figure 4. SOT323-6 pin connections (top view)
TL432
Figure 5. TL431 and TL432 block diagram
Cathode
Ref
Vref
Anode
Doc ID 4467 Rev 11
3/21
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