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TL431-W Datasheet, PDF (1/79 Pages) Texas Instruments – PRECISION PROGRAMMABLE REFERENCE
www.ti.com
TL431, TL431A, TL431B
TL432, TL432A, TL432B
SLVS543M – AUGUST 2004 – REVISED JULY 2012
PRECISION PROGRAMMABLE REFERENCE
Check for Samples: TL431, TL431A, TL431B, TL432, TL432A, TL432B
FEATURES
1
• Operation From −40°C to 125°C
• Reference Voltage Tolerance at 25°C
– 0.5% . . . B Grade
– 1%. . . A Grade
– 2% . . . Standard Grade
• Typical Temperature Drift (TL431B)
– 6 mV (C Temp)
– 14 mV (I Temp, Q Temp)
• Low Output Noise
• 0.2-Ω Typical Output Impedance
• Sink-Current Capability . . . 1 mA to 100 mA
• Adjustable Output Voltage . . . Vref to 36 V
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 . . . 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 . . . PK (SOT-89) PACKAGE
(TOP VIEW)
CATHODE
ANODE
REF
TL432, TL432A, TL432B . . . PK (SOT-89) PACKAGE
(TOP VIEW)
REF
ANODE
CATHODE
TL431, TL431A, TL431B . . . DBV (SOT-23-5) PACKAGE
(TOP VIEW)
NC 1
†2
CATHODE 3
5 ANODE
4 REF
NC − No internal connection
† Pin 2 is attached to Substrate and must be
connected to ANODE or left open.
TL431, TL431A, TL431B . . . DBZ (SOT-23-3) PACKAGE
(TOP VIEW)
CATHODE 1
REF 2
3 ANODE
TL432, TL432A, TL432B . . . DBV (SOT-23-5) PACKAGE
(TOP VIEW)
NC 1
ANODE 2
NC 3
5 REF
4 CATHODE
NC − No internal connection
TL432, TL432A, TL432B . . . DBZ (SOT-23-3) PACKAGE
(TOP VIEW)
REF 1
CATHODE 2
3 ANODE
1
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.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2004–2012, Texas Instruments Incorporated