TL431 Datasheet, PDF (18/23 Pages) Motorola, Inc – PROGRAMMABLE PRECISION REFERENCES

NXP Semiconductors
TL431 family
Adjustable precision shunt regulator
RCL
V+
I_OUT
I_OUT
=
-^V---^r---^e--^f
R_CL
Fig 29. Constant current source
V+
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V_OUT
R1
R2
V_OUT = _⎝⎛1 + ^RR-----¹²-_⎠⎞ × V_ref
Fig 30. High-current shunt regulator
V+
I_SINK
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RS
I_SINK
=
V_----r---e--f
R_S
Fig 31. Constant current sink
14. Test information
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14.1 Quality information
This product has been qualified in accordance with the Automotive Electronics Council
(AEC) standard Q100 - Failure mechanism based stress test qualification for integrated
circuits, and is suitable for use in automotive applications.
TL431_FAM_2
Product data sheet
Rev. 02 — 20 January 2010
© NXP B.V. 2010. All rights reserved.
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