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TL431_11 Datasheet, PDF (1/79 Pages) Fairchild Semiconductor – Programmable Shunt Regulator
www.ti.com
TL431, TL431A, TL431B
TL432, TL432A, TL432B
SLVS543L – AUGUST 2004 – REVISED FEBRUARY 2011
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
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
• 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 . . . 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
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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.
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