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TL1431MFKB 数据表(PDF) 13 Page - Texas Instruments

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部件名 TL1431MFKB
功能描述  PRECISION PROGRAMMABLE REFERENCE
PDF  27 Pages
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

TL1431MFKB 数据表(HTML) 13 Page - Texas Instruments

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V(BATT)
R
30
Ω
TL1431
2N2222
2N2222
0.01
µF
4.7 k
Ω
R1
0.1%
R2
0.1%
VO
V
O +
1 )
R1
R2
V
I(ref)
V(BATT)
In
Out
VO
TL1431
Common
µA7805
R1
R2
V + 1 )
R1
R2
V
I(ref)
Min V = VI(ref) + 5 V
V(BATT)
VO
TL1431
R1
R2
C
V
trip +
1 )
R1
R2
V
I(ref)
V(BATT)
TL1431
V
O +
1 )
R1
R2
V
I(ref)
R1
R2
R
VO
LM317
In
Out
V(BATT)
8.2 k
Ω
TL1431
Adjust
243
Ω
0.1%
243
Ω
0.1%
VO = 5 V, 1.5 A, 0.5%
V(BATT)
VO = 5 V
Rb
TL1431
27.4 k
Ω
0.1%
27.4 k
Ω
0.1%
TL1431
PRECISION PROGRAMMABLE REFERENCE
SLVS062L – DECEMBER 1991 – REVISED OCTOBER 2007
Figure 19. Output Control of a Three-Terminal Fixed
A.
R should provide cathode current
≥1 mA to
Regulator
the TL1431 at minimum V(BATT).
Figure 18. Precision High-Current Series Regulator
Figure 20. Higher-Current Shunt Regulator
A.
Refer to the stability boundary conditions in
Figure 15 to determine allowable values for
C.
Figure 21. Crowbar
Figure 22. Precision 5-V, 1.5-A, 0.5% Regulator
A.
Rb should provide cathode current ≥1 mA to
the TL1431.
Figure 23. 5-V Precision Regulator
Copyright © 1991–2007, Texas Instruments Incorporated
Submit Documentation Feedback
13
Product Folder Link(s): TL1431



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