TL431 Datasheet, PDF (9/23 Pages) Motorola, Inc – PROGRAMMABLE PRECISION REFERENCES

NXP Semiconductors
TL431 family
Adjustable precision shunt regulator
2.60
V_ref
(V)
2.56
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2.52
2.48
2.44
2.40
−75
−25
25
75
125
T_amb (°C)
Fig 3.
I_K = 10 mA; V_KA = V_ref
Reference voltage as a function of ambient
temperature; typical values
INPUT
150
I_K
(mA)
100
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50
0
−50
−100
−2
−1
0
1
2
3
V_KA (V)
Fig 4.
V_KA = V_ref; T_amb = 25 °C
Cathode current as a function of
cathode-anode voltage; typical values
V_KA
I_K
V_ref
I_K = 10 mA; V_KA = V_ref
Fig 5. Test circuit to Figure 3 and Figure 4
GND
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TL431_FAM_2
Product data sheet
Rev. 02 — 20 January 2010
© NXP B.V. 2010. All rights reserved.
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