TL1431-SP Precision Adjustable (Programmable) Shunt Reference | TI.com

TL1431-SP (ACTIVE)

Precision Adjustable (Programmable) Shunt Reference

Precision Adjustable (Programmable) Shunt Reference - TL1431-SP
Datasheet
 

Description

The TL1431 is a precision programmable reference with specified thermal stability over automotive, commercial, and military temperature ranges. The output voltage can be set to any value between VI(ref) (approximately 2.5 V) and 36 V with two external resistors. This device has a typical output impedance of 0.2 Ω. Active output circuitry provides a very sharp turnon characteristic, making the device an excellent replacement for Zener diodes and other types of references in applications such as onboard regulation, adjustable power supplies, and switching power supplies.

The TL1431 is characterized for operation over the full military temperature range of –55°C to 125°C.

Features

  • QMLV Qualified to 100k Rad RHA,
    SMD 5962R99620
  • 0.4% Initial Voltage Tolerance
  • 0.2-Ω Typical Output Impedance
  • Fast Turnon…500 ns
  • Sink Current Capability…1 mA to 100 mA
  • Low Reference Current (REF)
  • Adjustable Output Voltage…VI(ref) to 36 V

Parametrics

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Part number Order Reference voltage VO (V) VO adj (Min) (V) VO adj (Max) (V) Initial accuracy (Max) (%) Temp coeff (Max) (ppm/ degree C) Rating Operating temperature range (C) Iz for regulation (Min) (uA) Iout/Iz (Max) (mA) Package Group Iref (uA) I I(dev) (uA)
TL1431-SP Order now Adjustable       2.5     36     0.4     114     Space     -55 to 125     450     100     CDIP | 8
CFP | 10    
   
TL1431 Order now Adjustable     2.5     2.5     36     0.4     114     Catalog     -40 to 125
0 to 70    
450     150     SOIC | 8
TO-92 | 3
TSSOP | 8    
3     1.2    
TL1431-EP Order now Adjustable       2.5     36     0.4     114     HiRel Enhanced Product     -40 to 125
-55 to 125    
450     100     SOIC | 8        
TL1431-Q1 Order now Adjustable       2.5     36     0.4     114     Automotive     -40 to 125     450     100     SOIC | 8     4     2