LM431ACZ/NOPB Part Information

Details for LM431ACZ/NOPB by Texas Instruments

Electronic & Electrical Components > Semiconductors - ICs > Power Management

Buy LM431ACZ/NOPB Directly from Texas Instruments (8822 in stock) at $0.1670

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 TO-226AA
No. of Pins 3Pins
Operating Temperature Min 0°C
Operating Temperature Max 70°C
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 1 - Unlimited
SVHC No SVHC (27-Jun-2018)
Reference Voltage Tolerance 55mV
Reference Volts 2.495V
Topology Shunt
RoHS Compliant

Alternative Part Descriptions

  • VOLTAGE REF, SHUNT, 2.495V-36V, TO-226AA | Newark Electronics
  • V-Ref Adjustable 2.495V to 37V 100mA 3-Pin TO-92 Box | Avnet America
  • IC: voltage reference source; 2.495V; ±2.2%; 100mA; TO92; bulk | Transfer Multisort Elektronik
  • 2%, 1%, or 0.5% accuracy, adjustable precision Zener shunt regulator | Texas Instruments

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