NXP Semiconductors
TL431 family
Adjustable precision shunt regulator
2. Pinning information
Table 3. Pinning
Pin
Symbol Description
Simplified outline
Normal pinning: All types without MFDT and MSDT ending
1
k
cathode
3
2
REF
reference
3
a
anode
Graphic symbol
REF
a
k
006aab355
1
2
Mirrored pinning: All types with MFDT and MSDT ending
1
REF
reference
3
2
k
cathode
3
a
anode
REF
a
k
006aab355
1
2
TL431 family
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 5 — 01 September 2015
© NXP Semiconductors N.V. 2015. All rights reserved.
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