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TL1431MFKB 数据表(PDF) 14 Page - Texas Instruments

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部件名 TL1431MFKB
功能描述  PRECISION PROGRAMMABLE REFERENCE
PDF  27 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

TL1431MFKB 数据表(HTML) 14 Page - Texas Instruments

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+
−
TL1431
12 V
6.8 k
Ω
5 V +0.5%
10 k
Ω
10 k
Ω
0.1%
10 k
Ω
0.1%
VCC
X
Not
Used
TL598
Feedback
V(BATT)
R3
R4
R1A
R2A
R1B
R2B
TL1431
Low Limit + 1 )
R1B
R2B
V
I(ref)
High Limit + 1 )
R1A
R2A
V
I(ref)
LED on When
Low Limit < V(BATT) < High Limit
TL1431
TL1431
12 V
680
Ω
2 k
Ω
R
Off
On
C
Delay + R
C
I
I
12 V
(12 V) * V
I(ref)
V(BATT)
TL1431
IO
RS
0.1%
I
O +
V
I(ref)
R
S
V(BATT)
R1
RCL 0.1%
TL1431
I
O +
V
I(ref)
R
CL
) IKA
IO
R1 +
V
(BATT)
I
O
h
FE
) IKA
TL1431
PRECISION PROGRAMMABLE REFERENCE
SLVS062L – DECEMBER 1991 – REVISED OCTOBER 2007
Figure 24. PWM Converter With 0.5% Reference
Figure 26. Delay Timer
A.
Select R3 and R4 to provide the desired
LED intensity and cathode current
≥1 mA to
the TL1431.
Figure 25. Voltage Monitor
Figure 27. Precision Current Limiter
Figure 28. Precision Constant-Current Sink
14
Submit Documentation Feedback
Copyright © 1991–2007, Texas Instruments Incorporated
Product Folder Link(s): TL1431



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