TL431BILPR Part Information

Details for TL431BILPR by Texas Instruments

Electronic & Electrical Components > Semiconductors - ICs > Power Management

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Part Description

The TL431 and TL432 devices are three-terminal adjustable shunt regulators, with specified thermal stability over applicable automotive, commercial, and military temperature ranges. The output voltage can be set to any value between Vref (approximately 2.5 V) and 36 V, with two external resistors. These devices have a typical output impedance of 0.2 Ω. Active output circuitry provides a very sharp turn-on characteristic, making these devices excellent replacements for Zener diodes in many applications, such as onboard regulation, adjustable power supplies, and switching power supplies. The TL432 device has exactly the same functionality and electrical specifications as the TL431 device, but has different pinouts for the DBV, DBZ, and PK packages. Both the TL431 and TL432 devices are offered in three grades, with initial tolerances (at 25°C) of 0.5%, 1%, and 2%, for the B, A, and standard grade, respectively. In addition, low output drift versus temperature ensures good stability over the entire temperature range. The TL43xxC devices are characterized for operation from 0°C to 70°C, the TL43xxI devices are characterized for operation from –40°C to 85°C, and the TL43xxQ devices are characterized for operation from –40°C to 125°C.

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Part Features

  • 0.2-u03a9 Typical Output Impedance
  • Adjustable Output Voltage: Vref to 36 V
  • Low Output Noise
  • Operation From u221240u00b0C to 125u00b0C
  • Reference Voltage Tolerance at 25u00b0C u2013 0.5% (B Grade) u2013 1% (A Grade) u2013 2% (Standard Grade)
  • Sink-Current Capability: 1 mA to 100 mA
  • Typical Temperature Drift (TL431B) u2013 6 mV (C Temp) u2013 14 mV (I Temp, Q Temp)

Part Specifications

Voltage Reference Type Shunt - Adjustable
Product Range TL43xx Series
Reference Voltage 2.495V to 36V
Initial Accuracy 0.5%
Temperature Coefficient -
Voltage Reference Case Style TO-92
No. of Pins 3Pins
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL -
SVHC No SVHC (27-Jun-2018)
Input Voltage Max 36V
Input Voltage Min 2.495V
Reference Voltage Tolerance 12mV
Reference Volts 2.495V
RoHS Compliant

Alternative Part Descriptions

  • Adjustable precision shunt regulator | Texas Instruments

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