TL431, TL431A, TL431B
TL432, TL432A, TL432B
www.ti.com
SLVS543M –AUGUST 2004–REVISED JULY 2012
PRECISION PROGRAMMABLE REFERENCE
Check for Samples: TL431, TL431A, TL431B, TL432, TL432A, TL432B
1
FEATURES
•
Operation From −40°C to 125°C
•
Typical Temperature Drift (TL431B)
•
Reference Voltage Tolerance at 25°C
–
–
6 mV (C Temp)
–
–
–
0.5% . . . B Grade
1%. . . A Grade
14 mV (I Temp, Q Temp)
•
•
•
•
Low Output Noise
2% . . . Standard Grade
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)
TL431, TL431A, TL431B . . . P (PDIP), PS (SOP),
OR PW (TSSOP) PACKAGE
(TOP VIEW)
1
2
3
4
8
7
6
5
CATHODE
ANODE
ANODE
NC
REF
1
2
3
4
8
7
6
5
CATHODE
NC
REF
NC
ANODE
ANODE
NC
NC
ANODE
NC
NC
NC − No internal connection
NC − No internal connection
TL431, TL431A, TL431B . . . PK (SOT-89) PACKAGE
(TOP VIEW)
TL432, TL432A, TL432B . . . PK (SOT-89) PACKAGE
(TOP VIEW)
CATHODE
ANODE
REF
REF
ANODE
CATHODE
TL432, TL432A, TL432B . . . DBV (SOT-23-5) PACKAGE
(TOP VIEW)
TL431, TL431A, TL431B . . . DBV (SOT-23-5) PACKAGE
(TOP VIEW)
1
NC
ANODE
NC
REF
5
4
1
NC
ANODE
REF
5
4
2
3
†
2
3
CATHODE
CATHODE
NC − No internal connection
NC − No internal connection
†
Pin 2 is attached to Substrate and must be
connected to ANODE or left open.
TL432, TL432A, TL432B . . . DBZ (SOT-23-3) PACKAGE
(TOP VIEW)
TL431, TL431A, TL431B . . . DBZ (SOT-23-3) PACKAGE
(TOP VIEW)
1
2
1
2
CATHODE
REF
REF
ANODE
ANODE
3
3
CATHODE
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
ROCHESTER [ Rochester Electronics ]
