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TL431CDBZRG4Datasheet PDF
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CATHODE
ANODE
ANODE
NC
REF
ANODE
ANODE
NC
TL431, TL431A, TL431B . . . D (SOIC) PACKAGE
(TOP VIEW)
1
2
3
4
8
7
6
5
CATHODE
NC
NC
NC
REF
NC
ANODE
NC
TL431, TL431A, TL431B . . . P (PDIP), PS (SOP),
OR PW (TSSOP) PACKAGE
(TOP VIEW)
NC − No internal connection
TL431, TL431A, TL431B . . . DBV (SOT-23-5) PACKAGE
(TOP VIEW)
1
2
3
5
4
NC
†
CATHODE
ANODE
REF
TL431, TL431A, TL431B . . . PK (SOT-89) PACKAGE
(TOP VIEW)
REF
ANODE
CATHODE
†
Pin 2 is attached to Substrate and must be
connected to ANODE or left open.
NC − No internal connection
TL432, TL432A, TL432B . . . DBV (SOT-23-5) PACKAGE
(TOP VIEW)
1
2
3
5
4
NC
ANODE
NC
REF
CATHODE
NC − No internal connection
TL431, TL431A, TL431B . . . DBZ (SOT-23-3) PACKAGE
(TOP VIEW)
TL432, TL432A, TL432B . . . DBZ (SOT-23-3) PACKAGE
(TOP VIEW)
NC − No internal connection
1
2
3
REF
CATHODE
ANODE
1
2
3
CATHODE
REF
ANODE
ANODE
TL432, TL432A, TL432B . . . PK (SOT-89) PACKAGE
(TOP VIEW)
REF
ANODE
CATHODE
ANODE
CATHODE
ANODE
REF
TL431 . . . KTP (PowerFLEX /TO-252) PACKAGE
(TOP VIEW)
ANODE
TL431A, TL431B . . . DCK (SC-70) PACKAGE
(TOP VIEW)
1
2
3
6
5
4
CATHODE
NC
REF
ANODE
NC
NC
NC − No internal connection
TL431, TL431A, TL431B . . . LP (TO-92/TO-226) PACKAGE
(TOP VIEW)
CATHODE
ANODE
REF
TL431
,
TL431A
,
TL431B
TL432
,
TL432A
,
TL432B
www.ti.com
SLVS543O –AUGUST 2004–REVISED JANUARY 2015
6 Pin Configuration and Functions
Pin Functions
PIN
TLV431x TLV432x
TYPE DESCRIPTION
NAME
P, PS
DBZ DBV PK D LP KTP DCK DBZ DBV PK
PW
CATHODE 1 3 3 1 1 1 1 1 2 4 1 I/O Shunt Current/Voltage input
REF 2 4 1 8 8 3 3 3 1 5 3 I Threshold relative to common anode
2, 3,
ANODE 3 5 2 6 2 2 6 3 2 2 O Common pin, normally connected to ground
6, 7
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