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TL431BQLPR Folha de dados(PDF) 27 Page - Texas Instruments

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Nome de Peças TL431BQLPR
Descrição Electrónicos  TL431, TL432 Precision Programmable Reference
PDF  83 Pages
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Fabricante Electrônico  TI [Texas Instruments]
Página de início  http://www.ti.com
Logo TI - Texas Instruments

TL431BQLPR Folha de dados(HTML) 27 Page - Texas Instruments

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10.3 System Examples
R
(see Note A)
VO
TL431
VI(BATT)
2N222
2N222
4.7 kΩ
R1
0.1%
R2
0.1%
0.01 µF
30 Ω
O
ref
R1
V
= 1 +
V
R2
æ
ö
ç
÷
è
ø
A.
R should provide cathode current ≥1 mA to the TL431 at minimum V(BATT).
Figure 10-5. Precision High-Current Series Regulator
VO
TL431
VI(BATT)
uA7805
IN
OUT
Common
R1
R2
V
O
1
R1
R2
V
ref
Minimum V
O
V
ref
5 V
=
+
=
+
(
(
Figure 10-6. Output Control of a Three-Terminal Fixed Regulator
VO
TL431
VI(BATT)
R1
R2
V
O
1
R1
R2
V
ref
=
+
(
(
Figure 10-7. High-Current Shunt Regulator
VO
TL431
VI(BATT)
R1
R2
C
(see Note A)
A.
Refer to the stability boundary conditions in Figure 7-16 and Figure 7-18 to determine allowable values for C.
Figure 10-8. Crowbar Circuit
www.ti.com
TL431, TL432
SLVS543Q – AUGUST 2004 – REVISED JULY 2022
Copyright © 2022 Texas Instruments Incorporated
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Product Folder Links: TL431 TL432



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