English
Language : 

TL431B Datasheet, PDF (1/40 Pages) Texas Instruments – ADJUSTABLE PRECISION SHUNT REGULATORS
TL431, TL431A, TL431B, TL432, TL432A, TL432B
ADJUSTABLE PRECISION SHUNT REGULATORS
D Operation From −40°C to 125°C
− 0.5% . . . B Grade
− 1% . . . A Grade
− 2% . . . Standard Grade
D Typical Temperature Drift (TL431B)
− 6 mV (C Temp)
− 14 mV (I Temp, Q Temp)
TL431, TL431A, TL431B . . . D (SOIC) PACKAGE
(TOP VIEW)
CATHODE 1
ANODE 2
ANODE 3
NC 4
8 REF
7 ANODE
6 ANODE
5 NC
NC − No internal connection
TL431, TL431A, TL431B . . . PK (SOT-89) PACKAGE
(TOP VIEW)
CATHODE
ANODE
REF
TL431, TL431A, TL431B . . . DBV (SOT23-5) PACKAGE
(TOP VIEW)
NC 1
NU 2
CATHODE 3
5 ANODE
4 REF
NC − No internal connection
NU − Make no external connection
TL431, TL431A, TL431B . . . DBZ (SOT23-3) PACKAGE
(TOP VIEW)
CATHODE 1
REF 2
3 ANODE
SLVS543A – AUGUST 2004 − REVISED AUGUST 2004
D Low Output Noise
D 0.2-Ω Typical Output Impedance
D Sink-Current Capability . . . 1 mA to 100 mA
D Adjustable Output Voltage . . . Vref to 36 V
TL431, TL431A, TL431B . . . P (PDIP), PS (SOP),
OR PW (TSSOP) PACKAGE
(TOP VIEW)
CATHODE 1
NC 2
NC 3
NC 4
8 REF
7 NC
6 ANODE
5 NC
NC − No internal connection
TL431, TL431A, TL431B . . . LP (TO-92/TO-226) PACKAGE
(TOP VIEW)
CATHODE
ANODE
REF
TL432, TL432A, TL432B . . . DBV (SOT23-5) PACKAGE
(TOP VIEW)
NC 1
ANODE 2
NC 3
5 REF
4 CATHODE
NC − No internal connection
TL432, TL432A, TL432B . . . DBZ (SOT23-3) PACKAGE
(TOP VIEW)
REF 1
CATHODE 2
3 ANODE
TL431 . . . KTP (PowerFLEXE/TO-252) PACKAGE
(TOP VIEW)
TL431A, TL431B . . . DCK (SC-70) PACKAGE
(TOP VIEW)
CATHODE
ANODE
REF
CATHODE 1
NC 2
REF 3
6 ANODE
5 NC
4 NC
NC − No internal connection
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PowerFLEX is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright  2004, Texas Instruments Incorporated
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265
1