LM431CIM3X

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LM431CIM3X

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IC VREF SHUNT -0.6/+0.4% SOT23-3

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Spezifikationen

Attribut Wert
Part Status Obsolete
Reference Type Shunt
Output Type Adjustable
Voltage - Output (Min/Fixed) 2.5V
Current - Output 100 mA
Tolerance -0.6%, +0.4%
Temperature Coefficient 50ppm/°C Typical
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case TO-236-3, SC-59, SOT-23-3
Supplier Device Package SOT-23-3
Base Product Number LM431
Current - Cathode 1 mA
Voltage - Output (Max) 37 V

Übersicht

Description

The LM431CIM3X is a precision programmable shunt voltage reference from Texas Instruments. It features an adjustable output voltage range, making it versatile for various applications. The device has a typical output voltage tolerance of 0.5%, ensuring accurate voltage regulation. It operates over a wide range of input currents, providing flexibility in different circuit designs.
Housed in a compact SOT-23 package, the LM431CIM3X is suitable for space-constrained applications. It is commonly used in voltage regulation, power supply circuits, and as a precision voltage reference in analog-to-digital converters and other precision circuitry.
The LM431CIM3X's temperature stability and low dynamic impedance contribute to its reliability and efficiency in maintaining a stable output voltage despite changes in temperature or load conditions. This makes it ideal for use in consumer electronics, industrial controls, and communication devices. Its robust performance characteristics help in achieving precise voltage control, enhancing the overall performance and reliability of electronic systems.

Equivalent

The LM431CIM3X is a programmable shunt regulator. Equivalent products include the TL431 series from Texas Instruments, AZ431 series from Diodes Incorporated, KA431 series from ON Semiconductor, TLVH431 from Microchip Technology, and LMV431 from Texas Instruments. These alternatives offer similar functionalities and can be used in place of the LM431CIM3X, though specific parameters such as voltage reference accuracy and package type should be checked to ensure compatibility with your application.

Features

The LM431CIM3X is a precision programmable shunt regulator designed to provide a stable reference voltage. Key features include:
1. Adjustable Output Voltage: The device can be set to output voltages ranging from 2.5V to 36V by using two external resistors.
2. High Precision: It offers a typical output voltage tolerance of ±1% at 25°C, ensuring accurate voltage regulation.
3. Wide Operating Temperature Range: The LM431CIM3X operates effectively over a temperature range of -40°C to +85°C, making it suitable for various environments.
4. Low Output Impedance: It provides a low output impedance of approximately 0.2 ohms, beneficial for maintaining stable operation under a range of load conditions.
5. Current Capability: The device can sink currents up to 100 mA, offering flexibility for different application needs.
6. Compact Package: Available in a 3-pin SOT-23 package, the LM431CIM3X is ideal for space-constrained applications.
These features make the LM431CIM3X suitable for use in voltage regulation, power supply design, and other electronic applications requiring a stable reference voltage.

Pinout

The LM431CIM3X is a three-pin adjustable precision shunt regulator. It typically comes in a SOT-23 package, which indeed has three pins. The function of the LM431CIM3X is to serve as a voltage reference and shunt regulator that can be used for precision voltage regulation in various applications.
The three pins are configured as follows:
1. Reference (Ref): This pin is used to adjust the output voltage. By connecting this pin to a resistor divider network, users can set the desired reference voltage level.
2. Anode (A): This pin is typically connected to the ground in most circuits.
3. Cathode (K): This is the output pin and is connected to the load or the point in the circuit where the regulated voltage is needed.
The LM431CIM3X is designed for applications that require a stable reference voltage, such as in switching power supplies and other precision voltage regulation tasks.

Manufacturer

The LM431CIM3X is manufactured by Texas Instruments, a well-known semiconductor company. Texas Instruments (TI) is an American technology company that designs and manufactures semiconductors and various integrated circuits. It is one of the largest semiconductor companies globally and is recognized for its innovation in the electronics industry. TI's products are widely used in various electronic applications, including consumer electronics, automotive, industrial equipment, and communication devices. The company is known for its robust research and development efforts, leading to a broad portfolio of analog and embedded processing products.

Application

The LM431CIM3X is a precision adjustable shunt regulator commonly used in various applications, including power supply regulation, voltage reference, and current regulation. It's ideal for use in switching power supplies and battery-operated devices due to its ability to provide a stable voltage reference. Additionally, it's employed in instrumentation circuits, data acquisition systems, and as a comparator in analog-to-digital conversion processes. The device's capability to maintain consistent voltage outputs makes it suitable for precision voltage monitoring and control in industrial and consumer electronics. Its compact size also allows it to be used in space-constrained applications.

Package

The LM431CIM3X is a precision adjustable shunt regulator. It typically comes in a SOT-23 package, which is a small, surface-mount package commonly used for its compactness and efficiency in saving space on printed circuit boards.

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