LM431AIM3 Part Information

Details for LM431AIM3 by Texas Instruments

Electronic & Electrical Components > Semiconductors - ICs > Power Management

Part Description

The LM431 is a 3-terminal adjustable shunt regulator with ensured temperature stability over the entire temperature range of operation. The output voltage may be set at any level greater than 2.5 V (VREF) up to 36 V merely by selecting two external resistors that act as a voltage divided network. Due to the sharp turnon characteristics this device is an excellent replacement for many Zener diode applications. The LM431 is available in space-saving SOIC-8, SOT-23, and TO-92 packages.

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Part Features

  • Available in Space-Saving SOIC-8, SOT-23, and
  • Average Temperature Coefficient 50 ppm/u00b0C
  • Fast Turnon Response
  • Low-Dynamic Output Impedance
  • Low-Output Noise
  • Programmable Output Voltage
  • Temperature Compensated for Operation Over the Full Temperature Range

Part Specifications

Voltage Reference Type Shunt - Adjustable
Product Range LM431 Series
Reference Voltage 2.495V to 36V
Initial Accuracy 0.5%
Temperature Coefficient ± 50ppm/°C
Voltage Reference Case Style SOT-23
No. of Pins 3Pins
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 1 - Unlimited
SVHC No SVHC (27-Jun-2018)
IC Generic Number 431
IC Package (Case style) SOT-23
Reference Volts 2.495V
Termination Type Surface Mount Device
Topology Shunt Adjustable
RoHS Compliant

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