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TL431 Datasheet(PDF) 10 Page - NXP Semiconductors

Part # TL431
Description  Adjustable precision shunt regulator
PDF  23 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

TL431 Datasheet(HTML) 10 Page - NXP Semiconductors

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TL431_FAM_2
© NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 02 — 20 January 2010
10 of 23
NXP Semiconductors
TL431 family
Adjustable precision shunt regulator
IK =10mA; R1 =10kΩ; R2 = open
IK =10mA; Tamb =25 °C
Fig 6.
Reference current as a function of ambient
temperature; typical values
Fig 7.
Reference voltage variation as a function of
cathode-anode voltage; typical values
Fig 8.
Test circuit to Figure 6 and Figure 7
Tamb (°C)
−75
125
75
−25
25
006aab574
2.0
3.0
1.0
4.0
5.0
Iref
(
μA)
0.0
VKA (V)
040
30
10
20
006aab575
−40
−20
0
ΔVref
(mV)
−60
006aab576
GND
Vref
VKA
INPUT
IK
Iref
R1
R2
V
KA
V
ref
1
R1
R2
-------
+
⎝⎠
⎛⎞
×
I
ref
R1
×
+
=



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