TL431IDBZR215 Datasheet, PDF (11/27 Pages) NXP Semiconductors – Adjustable precision shunt regulator

NXP Semiconductors
TL431 family
Adjustable precision shunt regulator
5.0
I_ref
(μA)
4.0
3.0
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0
ΔV_ref
(mV)
−20
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2.0
−40
1.0
0.0
−75
−25
25
75
125
T_amb (°C)
Fig 6.
I_K = 10 mA; R1 = 10 k; R2 = open
Reference current as a function of ambient
temperature; typical values
−60
0
10
20
30
40
V_KA (V)
Fig 7.
I_K = 10 mA; T_amb = 25 C
Reference voltage variation as a function of
cathode-anode voltage; typical values
INPUT
R1
I_ref
V_KA
I_K
R2
V_ref
V_KA
=
V_r
ef



1
+
RR_----12_{--}
+ I_ref  R1
Fig 8. Test circuit to Figure 6 and Figure 7
GND
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TL431_FAM
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 4 — 30 June 2011
© NXP B.V. 2011. All rights reserved.
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