TL431IDBZR215 Datasheet, PDF (19/27 Pages) NXP Semiconductors – Adjustable precision shunt regulator

NXP Semiconductors
13. Application information
V+
TL431 family
Adjustable precision shunt regulator
V_OUT
R1
V_OUT = _1 + ^RR-----¹²-_  V_ref
Fig 32. Shunt regulator
V+
R2
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V_OUT
R1
R2
V_OUT = _1 + ^RR-----¹²-_  V_ref
Fig 33. Series pass regulator
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; V_{OUTmin} = V_ref + V_be
V+
V_OUT
V_IN
TL431_FAM
Product data sheet
V_th = V_ref
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V_IN  V_ref  V_OUT  0
V_IN  V_ref  V_OUT  2V
Fig 34. Single-supply comparator with temperature-compensated threshold
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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