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LM431AIM3X/NOPB +BOM

2%, 1%, or 0.5% accuracy, adjustable precision Zener shunt regulator

LM431AIM3X/NOPB General Description

The LM431AIM3X/NOPB is a versatile voltage reference product that offers precise and adjustable shunt regulation from 2.5V to 37V. With a nominal initial accuracy of 1%, this device ensures reliable and stable performance for various applications. The LM431 Series is known for its high precision and low temperature coefficient of ±50ppm/°C, making it suitable for temperature-sensitive environments. Housed in a compact SOT-23-3 package, this voltage reference is easy to integrate into existing systems and offers flexibility for different design requirements. Whether you need a precise voltage reference for power management, battery charging, or sensor applications, the LM431AIM3X/NOPB delivers consistent and accurate performance. Trust in this reliable shunt reference for your voltage regulation needs and experience the benefits of its high-quality design and performance

Key Features

  • Average Temperature Coefficient 50 ppm/°C
  • Temperature Compensated for Operation Over
    the Full Temperature Range
  • Programmable Output Voltage
  • Fast Turnon Response
  • Low-Output Noise
  • Low-Dynamic Output Impedance
  • Available in Space-Saving SOIC-8, SOT-23, and
    TO-92 Packages

Specifications

Source Content uid LM431AIM3X/NOPB Pbfree Code Yes
Part Life Cycle Code Active Pin Count 3
Reach Compliance Code compliant ECCN Code EAR99
HTS Code 8542.39.00.01 Additional Feature OUTPUT VOLTAGE ADJUSTABLE FROM 2.495 TO 36V WITH TWO EXTERNAL RESISTORS
Analog IC - Other Type TWO TERMINAL VOLTAGE REFERENCE JESD-30 Code R-PDSO-G3
JESD-609 Code e3 Length 2.92 mm
Moisture Sensitivity Level 1 Number of Functions 1
Number of Outputs 1 Number of Terminals 3
Operating Temperature-Max 85 °C Operating Temperature-Min -40 °C
Output Current-Max 0.1 A Output Voltage-Max 2.55 V
Output Voltage-Min 2.44 V Output Voltage-Nom 2.5 V
Peak Reflow Temperature (Cel) 260 Qualification Status Not Qualified
Seated Height-Max 1.12 mm Supply Voltage-Max (Vsup) 37 V
Supply Voltage-Min (Vsup) 2.44 V Surface Mount YES
Technology BIPOLAR Temp Coef of Voltage-Max 97 ppm/°C
Temperature Grade INDUSTRIAL Terminal Finish Matte Tin (Sn)
Terminal Form GULL WING Terminal Pitch 0.95 mm
Terminal Position DUAL Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
Trim/Adjustable Output YES Width 1.3 mm
Product Category Voltage References Mounting Style SMD/SMT
Reference Type Shunt Adjustable References Output Voltage 2.495 V to 37 V
Initial Accuracy 2 % Temperature Coefficient 97 PPM / C
Series VREF - Input Voltage - Max 37 V Shunt Current - Max 100 mA
Minimum Operating Temperature - 40 C Maximum Operating Temperature + 85 C
Series LM431 Description/Function ADJUSTABLE PRECISION ZENER SHUNT REGULATOR
Height 0.93 mm Maximum Output Voltage 36 V
Product Voltage References Product Type Voltage References
Shunt Current - Min 1 mA Factory Pack Quantity 3000
Subcategory PMIC - Power Management ICs Topology Shunt References
Unit Weight 0.000282 oz VO (V) 2.5
Initial accuracy (max) (%) 0.5, 1, 2 VO adj (min) (V) 2.5
VO adj (max) (V) 36 Iz for regulation (min) (µA) 400
Reference voltage (V) adjustable Rating Catalog
Temp coeff (max) (ppm/°C) 97 Operating temperature range (°C) -40 to 85, 0 to 70
Iout/Iz (max) (mA) 100

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