• LM431AIM3X/NOPB SOT23-3
LM431AIM3X/NOPB SOT23-3

LM431AIM3X/NOPB

V-Ref Adjustable 2.495V to 37V 100mA 3-Pin SOT-23 T/R

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Overview of LM431AIM3X/NOPB

The LM431AIM3X/NOPB is a programmable shunt voltage reference IC that provides a precise reference voltage for regulating circuits and systems. It offers a versatile solution for setting voltage references and controlling circuit operation.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • Cathode: Output
  • Anode: Reference Input
  • Control: Adjust Pin for Programming

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the LM431AIM3X/NOPB IC for a visual representation.

Key Features

  • Precision Reference Voltage: The LM431AIM3X/NOPB provides a highly accurate reference voltage for precise circuit regulation.
  • Programmable Output: This IC allows for adjustment of the reference voltage through the control pin, enabling customization for different applications.
  • Low Dynamic Impedance: With low dynamic impedance characteristics, the LM431AIM3X/NOPB ensures stable voltage regulation.
  • Wide Operating Voltage Range: Operates within a wide voltage range, making it suitable for diverse electronic systems and designs.
  • Temperature Stability: Maintains consistent performance over temperature variations, ensuring reliable operation in various environmental conditions.

Note: For detailed technical specifications, please refer to the LM431AIM3X/NOPB datasheet.

Application

  • Voltage Regulation: Ideal for generating precise voltage references in voltage regulation circuits.
  • Feedback Control: Used in feedback loops for controlling system parameters based on reference voltages.
  • Precision Measurement: Suitable for applications requiring accurate voltage references for measurements and comparisons.

Functionality

The LM431AIM3X/NOPB serves as a programmable shunt voltage reference, offering a stable and accurate voltage source for various circuit applications.

Usage Guide

  • Reference Voltage Setup: Connect the Anode (Reference Input) and Cathode (Output) pins to establish the desired reference voltage.
  • Programming: Adjust the Control pin to set the reference voltage value according to the application requirements.

Frequently Asked Questions

Q: How can I adjust the reference voltage of the LM431AIM3X/NOPB?
A: The reference voltage of the LM431AIM3X/NOPB can be adjusted by varying the voltage applied to the Control pin.

Q: Is the LM431AIM3X/NOPB suitable for precision voltage regulation applications?
A: Yes, the LM431AIM3X/NOPB is designed for precision voltage references and is suitable for applications requiring accurate voltage regulation.

Equivalent

For similar functionalities, consider these alternatives to the LM431AIM3X/NOPB:

  • LM4040AIM3X/NOPB: This is a precision shunt voltage reference IC offering similar performance and features to the LM431AIM3X/NOPB.
  • TL431AIDBZR: A programmable shunt voltage reference from Texas Instruments providing comparable functionality to the LM431AIM3X/NOPB.

LM431AIM3X/NOPB

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Source Content uid LM431AIM3X/NOPB Pbfree Code Yes
Rohs Code Yes Part Life Cycle Code Active
Ihs Manufacturer TEXAS INSTRUMENTS INC Part Package Code SOT-23
Package Description TSOP, TO-236 Pin Count 3
Reach Compliance Code compliant ECCN Code EAR99
HTS Code 8542.39.00.01 Samacsys Manufacturer Texas Instruments
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 2.495 V Package Body Material PLASTIC/EPOXY
Package Code TSOP Package Equivalence Code TO-236
Package Shape RECTANGULAR Package Style SMALL OUTLINE, THIN PROFILE
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 54.509 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
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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