LM431SCCMFX

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LM431SCCMFX

+BOM

ADJUSTABLE/2.5 V, 0.5% TOLERANCE

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Thông số kỹ thuật

thuộc tính Giá trị
Package Bulk
ProductStatus Active
ReferenceType Shunt
OutputType Adjustable
Voltage-Output(Min/Fixed) 2.495V
Voltage-Output(Max) 36 V
Current-Output 100 mA
Tolerance ±0.5%
TemperatureCoefficient 50ppm/°C Typical
Current-Cathode 1 mA
OperatingTemperature -25°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case SOT-23-3 Flat Leads

Tổng quan

Description

The LM431SCCMFX is a precision voltage reference and shunt regulator diode commonly used in electronic circuits for voltage regulation and stabilization. It is part of the LM431 series, which is known for its adjustable voltage support and reliable performance. The device can be configured to provide output voltages ranging from 2.5V to 36V, making it versatile for various applications.
Key features include a typical output voltage tolerance of 0.5%, low temperature coefficient, and fast turn-on characteristics. The LM431SCCMFX operates by comparing the input voltage to an internal reference voltage and adjusting the current through its cathode to maintain a stable output. It is often used in power supplies, battery chargers, and other applications requiring precise voltage control.
This component is available in a surface-mount package, specifically the SOT-23-3 format, which is suitable for compact circuit designs. Its reliability and precision make it a popular choice among engineers for designing stable and efficient electronic systems.

Equivalent

The LM431SCCMFX is a programmable precision reference chip. Equivalent products include:
1. TL431 by Texas Instruments
2. KA431 by ON Semiconductor
3. AZ431 by Diodes Incorporated
4. AS431 by Microchip Technology
5. NCP431 by ON Semiconductor
These components serve similar functions in voltage reference applications and are often used interchangeably in circuits that require a precision shunt regulator. Always check the datasheets for compatibility with specific circuit requirements.

Features

The LM431SCCMFX is a versatile three-terminal adjustable shunt regulator, often used in voltage regulation applications. Key features include:
1. Adjustable Output Voltage: It allows for precise voltage regulation with an adjustable output voltage range typically from 2.5V to 36V.
2. Reference Voltage: Features a precise 2.5V reference voltage with a tight tolerance, ensuring stable performance.
3. Wide Operating Current Range: Operates effectively over a wide current range from 1mA to 100mA, providing flexibility for various applications.
4. Low Temperature Coefficient: Offers a low temperature coefficient, enhancing performance stability across varying temperatures.
5. High Stability: Provides excellent stability and thermal performance, important for maintaining consistent operation.
6. Package Option: Available in space-saving SOT-23 package, suitable for compact designs.
7. Low Output Impedance: Ensures low output impedance, contributing to its reliability in feedback, control, and reference applications.
These features make the LM431SCCMFX ideal for use in power supply designs, as a voltage reference in feedback circuits, and in precision current limiting circuits.

Pinout

The LM431SCCMFX is a precision adjustable shunt regulator. It typically comes in a 3-pin package, such as the SOT-23 or TO-92 form factors. The three pins are designated as follows:
1. Reference (Ref): This pin is connected to the internal reference voltage and is used to set the output voltage through an external resistor network.
2. Anode (A): This pin is the anode terminal of the device. It is typically connected to the ground or the lower potential side of the circuit.
3. Cathode (K): The cathode pin is connected to the higher potential side in the circuit and is the output pin where the regulated voltage appears.
The LM431 is used in applications requiring a precise voltage reference or as part of a more complex voltage regulation circuit.

Manufacturer

The LM431SCCMFX is manufactured by Texas Instruments. Texas Instruments (TI) is an American technology company that designs and manufactures semiconductors and integrated circuits. They are well-known for producing a wide range of electronic products, including analog chips and embedded processors, which are widely used in various applications such as automotive, industrial, personal electronics, and communication equipment. TI is recognized for its innovation in the electronics industry and has a significant global presence.

Application

The LM431SCCMFX is a precision voltage reference and shunt regulator used in various applications. Its primary application areas include power supply regulation, where it provides a stable reference voltage for linear and switching regulators. It is also employed in data acquisition systems, ensuring accurate analog-to-digital conversion by providing a precise reference. Additionally, the LM431SCCMFX is used in voltage monitoring and error amplifiers, enhancing the performance and stability of electronic circuits. Its versatility makes it suitable for use in consumer electronics, industrial systems, and communication devices, where precise voltage control is critical.

Package

The LM431SCCMFX is available in a SOT-23 package type. This is a small-outline transistor package commonly used for surface-mount applications, offering a compact size while maintaining good thermal and electrical characteristics.

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