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TL431: Voltage Reference, Programmable Precision, Shunt Regulator

Overview
Specifications
Packages
Datasheet: Programmable Precision References
Rev. 39 (189kB)
Product Overview
»View Reliability Data
»View Material Composition
»Product Change Notification (13)
The TL431, A, B integrated circuits are three-terminal programmable shunt regulator diodes. These monolithic IC voltage references operate as a low temperature coefficient zener which is programmable from Vref to 36 V with two external resistors. These devices exhibit a wide operating current range of 1.0 mA to 100 mA with a typical dynamic impedance of 0.22 W. The characteristics of these references make them excellent replacements for zener diodes in many applications such as digital voltmeters, power supplies, and op amp circuitry. The 2.5 V reference makes it convenient to obtain a stable reference from 5.0 V logic supplies, and since the TL431, A, B operates as a shunt regulator, it can be used as either a positive or negative voltage reference.
Features
 
  • Programmable Output Voltage to 36 V
  • Voltage Reference Tolerance: +/- 0.4%, Typ @ 25°C (TL431B)
  • Low Dynamic Output Impedance, 0.22 W Typical
  • Sink Current Capability of 1.0 mA to 100 mA
  • Equivalent Full-Range Temperature Coefficient of 50 ppm/ °C Typical
  • Temperature Compensated for Operation over Full Rated Operating Temperature Range
  • Low Output Noise Voltage
  • Pb-Free Packages are Available
Availability and Samples
Product
Status
Compliance
Description
Package
MSL*
Container
Budgetary Price/Unit
Type
Case Outline
Type
Qty.
NCV431AIDMR2G Active
AEC Qualified
PPAP Capable
Pb-free
Halide free
Voltage Reference, Programmable Precision, Shunt Regulator Micro8™ 846A-02 1 Tape and Reel 4000 $0.2347
NCV431AIDR2G Active
AEC Qualified
PPAP Capable
Pb-free
Halide free
Voltage Reference, Programmable Precision, Shunt Regulator SOIC-8 751-07 1 Tape and Reel 2500 $0.28
NCV431BVDMR2G Active
AEC Qualified
PPAP Capable
Pb-free
Halide free
Voltage Reference, Programmable Precision, Shunt Regulator Micro8™ 846A-02 1 Tape and Reel 4000 $0.336
NCV431BVDR2G Active
AEC Qualified
PPAP Capable
Pb-free
Halide free
Voltage Reference, Programmable Precision, Shunt Regulator SOIC-8 751-07 1 Tape and Reel 2500 $0.2548
TL431CDG Active
Pb-free
Halide free
Voltage Reference, Programmable Precision, Shunt Regulator SOIC-8 751-07 1 Tube 98 $0.14
TL431CDMR2G Active
Pb-free
Halide free
Voltage Reference, Programmable Precision, Shunt Regulator Micro8™ 846A-02 1 Tape and Reel 4000 $0.0933
TL431CDR2G Active
Pb-free
Halide free
Voltage Reference, Programmable Precision, Shunt Regulator SOIC-8 751-07 1 Tape and Reel 2500 $0.14
TL431CLPG Active
Pb-free
Halide free
Voltage Reference, Programmable Precision, Shunt Regulator TO-92 29-11 NA Bulk Bag 2000 $0.112
TL431CLPRAG Active
Pb-free
Halide free
Voltage Reference, Programmable Precision, Shunt Regulator TO-92 29-11 NA Tape and Reel 2000 $0.112
TL431CLPREG Active, Not Rec 
Pb-free
Halide free
Voltage Reference, Programmable Precision, Shunt Regulator TO-92 29-11 NA Tape and Reel 2000  
TL431CLPRMG Active, Not Rec 
Pb-free
Halide free
Voltage Reference, Programmable Precision, Shunt Regulator TO-92 29-11 NA Fan-Fold 2000  
TL431CLPRPG Active
Pb-free
Halide free
Voltage Reference, Programmable Precision, Shunt Regulator TO-92 29-11 NA Fan-Fold 2000 $0.112
TL431CPG Obsolete 
Pb-free
Halide free
Voltage Reference, Programmable Precision, Shunt Regulator PDIP-8 626-05 NA Tube 50  
TL431IDG Active
Pb-free
Halide free
Voltage Reference, Programmable Precision, Shunt Regulator SOIC-8 751-07 1 Tube 98 $0.0987
TL431IDMR2G Active
Pb-free
Halide free
Voltage Reference, Programmable Precision, Shunt Regulator Micro8™ 846A-02 1 Tape and Reel 4000 Contact Sales Office
TL431IDR2G Active
Pb-free
Halide free
Voltage Reference, Programmable Precision, Shunt Regulator SOIC-8 751-07 1 Tape and Reel 2500 $0.0987
TL431ILPG Active
Pb-free
Halide free
Voltage Reference, Programmable Precision, Shunt Regulator TO-92 29-11 NA Bulk Bag 2000 $0.1467
TL431ILPRAG Active
Pb-free
Halide free
Voltage Reference, Programmable Precision, Shunt Regulator TO-92 29-11 NA Tape and Reel 2000 $0.1467
TL431ILPRPG Active
Pb-free
Halide free
Voltage Reference, Programmable Precision, Shunt Regulator TO-92 29-11 NA Fan-Fold 2000 $0.0987
TL431IPG Obsolete 
Pb-free
Halide free
Voltage Reference, Programmable Precision, Shunt Regulator PDIP-8 626-05 NA Tube 50  
Moisture Sensitivity level (MSL) for surface mount devices (lead free measured at 260°C reflow, non lead free at 235°C reflow)
Market Leadtime (weeks) : Contact Factory
Arrow   (Fri Dec 02 18:39:41 MST 2016) : 16000
Mouser   (2016-12-01) : >1K
ON Semiconductor   (2016-11-30) : 128,000
PandS   (2016-12-01) : >1K
Market Leadtime (weeks) : 2 to 4
Mouser   (2016-12-01) : >1K
PandS   (2016-12-01) : <1K
Market Leadtime (weeks) : 8 to 12
Arrow   (Fri Dec 02 18:39:42 MST 2016) : 98
Mouser   (2016-12-01) : >1K
Market Leadtime (weeks) : 2 to 4
Arrow   (Fri Dec 02 18:39:42 MST 2016) : 90
Mouser   (2016-12-01) : >1K
ON Semiconductor   (2016-11-30) : 7,500
Market Leadtime (weeks) : 2 to 4
Arrow   (Fri Dec 02 18:39:42 MST 2016) : 3821
FutureElectronics   (2016-12-01) : >1K
Mouser   (2016-12-01) : >1K
ON Semiconductor   (2016-11-30) : 43,414
Market Leadtime (weeks) : 2 to 4
Mouser   (2016-12-01) : >1K
ON Semiconductor   (2016-11-30) : 8,000
Market Leadtime (weeks) : 13 to 16
Arrow   (Fri Dec 02 18:39:42 MST 2016) : 137296
Digikey   (2016-12-01) : >1K
FutureElectronics   (2016-12-01) : >10K
Mouser   (2016-12-01) : >1K
PandS   (2016-12-01) : >1K
Market Leadtime (weeks) : 2 to 4
Arrow   (Fri Dec 02 18:39:42 MST 2016) : 16920
Chip1Stop   (2016-12-01) : >1K
Digikey   (2016-12-01) : >1K
FutureElectronics   (2016-12-01) : >10K
Mouser   (2016-12-01) : >1K
ON Semiconductor   (2016-11-30) : 110,000
PandS   (2016-12-01) : <100
Market Leadtime (weeks) : 8 to 12
Arrow   (Fri Dec 02 18:39:42 MST 2016) : 2000
Digikey   (2016-12-01) : <1K
FutureElectronics   (2016-12-01) : >1K
Market Leadtime (weeks) : 4 to 8
Market Leadtime (weeks) : 4 to 8
Market Leadtime (weeks) : 2 to 4
Arrow   (Fri Dec 02 18:39:42 MST 2016) : 2000
Digikey   (2016-12-01) : >1K
FutureElectronics   (2016-12-01) : >10K
Mouser   (2016-12-01) : >1K
ON Semiconductor   (2016-11-30) : 34,000
Market Leadtime (weeks) : Contact Factory
Market Leadtime (weeks) : 2 to 4
Arrow   (Fri Dec 02 18:39:43 MST 2016) : 96
Avnet   (2016-12-01) : >1K
Digikey   (2016-12-01) : >1K
FutureElectronics   (2016-12-01) : >1K
Mouser   (2016-12-01) : >1K
ON Semiconductor   (2016-11-30) : 9,114
PandS   (2016-12-01) : In Stock
Market Leadtime (weeks) : Contact Factory
Arrow   (Fri Dec 02 18:39:43 MST 2016) : 3988
Mouser   (2016-12-01) : >1K
Market Leadtime (weeks) : 2 to 4
Arrow   (Fri Dec 02 18:39:43 MST 2016) : 9800
Avnet   (2016-12-01) : >1K
Digikey   (2016-12-01) : >1K
Mouser   (2016-12-01) : >1K
ON Semiconductor   (2016-11-30) : 115,000
PandS   (2016-12-01) : <100
Market Leadtime (weeks) : 2 to 4
Arrow   (Fri Dec 02 18:39:43 MST 2016) : 6156
Avnet   (2016-12-01) : >1K
Digikey   (2016-12-01) : >1K
FutureElectronics   (2016-12-01) : >1K
Mouser   (2016-12-01) : >1K
ON Semiconductor   (2016-11-30) : 28,000
PandS   (2016-12-01) : <100
Market Leadtime (weeks) : 2 to 4
Mouser   (2016-12-01) : >1K
ON Semiconductor   (2016-11-30) : 42,000
PandS   (2016-12-01) : <100
Market Leadtime (weeks) : 2 to 4
Arrow   (Fri Dec 02 18:39:43 MST 2016) : 98
Mouser   (2016-12-01) : >1K
ON Semiconductor   (2016-11-30) : 12,000
Market Leadtime (weeks) : Contact Factory
Datasheet: Programmable Precision References
Rev. 39 (189kB)
Product Overview
»View Reliability Data
»View Material Composition
»Product Change Notification (13)

Product Compliance Status Description Type V(BR) Typ (V) Tolerance (%) IQ Typ (mA) IR Min (mA) VF Max (V) TA Min (°C) TA Max (°C) Package Type
AEC Qualified
PPAP Capable
Pb-free
Halide free
 Active     Voltage Reference, Programmable Precision, Shunt Regulator 
Adjustable
2.495
1
0.5
1
36
-40
125
Micro8™
AEC Qualified
PPAP Capable
Pb-free
Halide free
 Active     Voltage Reference, Programmable Precision, Shunt Regulator 
Adjustable
2.495
1
0.5
1
36
-40
125
SOIC-8
AEC Qualified
PPAP Capable
Pb-free
Halide free
 Active     Voltage Reference, Programmable Precision, Shunt Regulator 
Adjustable
2.495
0.4
0.5
1
36
-40
125
Micro8™
AEC Qualified
PPAP Capable
Pb-free
Halide free
 Active     Voltage Reference, Programmable Precision, Shunt Regulator 
Adjustable
2.495
0.4
0.5
1
36
-40
125
SOIC-8
Pb-free
Halide free
 Active     Voltage Reference, Programmable Precision, Shunt Regulator 
Adjustable
2.495
2.2
 
1
36
0
70
SOIC-8
Pb-free
Halide free
 Active     Voltage Reference, Programmable Precision, Shunt Regulator 
Adjustable
2.495
2.2
 
1
36
0
70
Micro8™
Pb-free
Halide free
 Active     Voltage Reference, Programmable Precision, Shunt Regulator 
Adjustable
2.495
2.2
 
1
36
0
70
SOIC-8
Pb-free
Halide free
 Active     Voltage Reference, Programmable Precision, Shunt Regulator 
Adjustable
2.495
2.2
 
1
36
0
70
TO-92
Pb-free
Halide free
 Active     Voltage Reference, Programmable Precision, Shunt Regulator 
Adjustable
2.495
2.2
 
1
36
0
70
TO-92
Pb-free
Halide free
 Active     Voltage Reference, Programmable Precision, Shunt Regulator 
Adjustable
2.495
2.2
 
1
36
0
70
TO-92
Pb-free
Halide free
 Active     Voltage Reference, Programmable Precision, Shunt Regulator 
Adjustable
2.495
2.2
 
1
36
-40
85
SOIC-8
Pb-free
Halide free
 Active     Voltage Reference, Programmable Precision, Shunt Regulator 
Adjustable
2.495
2.2
 
1
36
-40
85
Micro8™
Pb-free
Halide free
 Active     Voltage Reference, Programmable Precision, Shunt Regulator 
Adjustable
2.495
2.2
 
1
36
-40
85
SOIC-8
Pb-free
Halide free
 Active     Voltage Reference, Programmable Precision, Shunt Regulator 
Adjustable
2.495
2.2
 
1
36
-40
85
TO-92
Pb-free
Halide free
 Active     Voltage Reference, Programmable Precision, Shunt Regulator 
Adjustable
2.495
2.2
 
1
36
-40
85
TO-92
Pb-free
Halide free
 Active     Voltage Reference, Programmable Precision, Shunt Regulator 
Adjustable
2.495
2.2
 
1
36
-40
85
TO-92
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Associated Products
Do you need a device with a lower minumim operating current? NCP431