LM431ACZ/J5000260

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LM431ACZ/J5000260

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TWO TERMINAL VOLTAGE REFERENCE

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Description

The LM431ACZ/J5000260 refers to a specific model of the LM431 series, which is a three-terminal adjustable shunt regulator. Often used for voltage regulation in electronic circuits, it operates similarly to a Zener diode but with adjustable output voltage. The device features an internal adjustable precision voltage reference and an error amplifier, which makes it suitable for use in a wide range of applications, including power supplies, voltage monitoring, and control systems.
Key features of the LM431ACZ include its ability to maintain a stable output voltage over a broad range of conditions, low temperature coefficient, and good line and load regulation. The adjustable output voltage typically ranges from 2.5V to 36V, allowing for flexibility in various applications. Its compact design, often found in TO-92 or SOT-23 packages, makes it ideal for space-constrained projects.
Overall, the LM431ACZ/J5000260 is valued for its reliability, precision, and versatility in electronic circuit design, making it a popular choice among engineers and hobbyists alike.

Equivalent

The LM431ACZ/J5000260 is a precision adjustable shunt regulator. Equivalent products include:
1. TL431 series (e.g., TL431A, TL431C) from Texas Instruments.
2. KA431 series from ON Semiconductor.
3. AZ431 series from Diodes Incorporated.
4. AS431 series from BCD Semiconductor.
5. LMV431 series from Texas Instruments for low-voltage applications.
These components have similar functionality and can often be used interchangeably, but always check the datasheets for compatibility in specific applications.

Features

The LM431ACZ/J5000260 is a precision adjustable shunt regulator commonly used in electronic circuits for voltage reference and regulation. Key features include:
1. Adjustable Output Voltage: The output voltage can be fine-tuned from 2.5V to 36V, which makes it versatile for various applications.
2. Precision Reference: It provides a highly accurate reference voltage with a typical tolerance of ±0.5%, ensuring stable performance.
3. Wide Operating Temperature Range: The device operates effectively over a broad temperature range, typically from -25°C to +85°C, which is suitable for diverse environments.
4. Low Dynamic Output Impedance: This characteristic ensures minimal voltage variation with changes in current, aiding in consistent output.
5. Low Output Noise: The device maintains low noise levels in the output, which is advantageous for sensitive applications.
6. Package Options: Comes in a compact TO-92 package, ideal for space-constrained applications.
These features make the LM431ACZ/J5000260 suitable for use in power supply designs, voltage monitoring, and other precise voltage regulation tasks.

Pinout

The LM431ACZ is a three-terminal adjustable shunt regulator. It typically has a TO-92 package, which includes three pins. These pins are:
1. Reference (REF): This pin is used to set the output voltage by connecting it through a resistor network.
2. Anode (A): This is the input pin that connects to the lower potential of the circuit (usually connected to ground or a negative voltage).
3. Cathode (K): This pin acts as the output and is connected to the higher potential, controlling the current flow through the device.
The LM431 functions as a precision voltage reference with an adjustable output voltage range. It is similar to a Zener diode but allows for more precise voltage regulation through external resistors connected to the REF pin. This makes it useful for applications requiring precise voltage control and regulation in power supplies and other electronic circuits.

Manufacturer

The LM431ACZ/J5000260 is manufactured by Texas Instruments. Texas Instruments (TI) is an American technology company that primarily designs and manufactures semiconductors and various integrated circuits, which they sell to electronics designers and manufacturers globally.
TI is known for its wide range of products, including analog electronics, digital signal processors, microcontrollers, and more. They serve various industries, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. The company is a prominent player in the semiconductor industry and is recognized for its innovation and contributions to the development of electronic components.

Application

The LM431ACZ/J5000260 is a precision voltage reference and shunt regulator. Its application areas include:
1. Voltage Regulation: Used in power supply circuits for maintaining stable output voltage.
2. Voltage Monitoring: Employed in systems to monitor voltage levels and trigger alerts or shutdowns at specific thresholds.
3. Analog and Digital Circuits: Provides reference voltages for ADCs, DACs, and other mixed-signal devices.
4. Switching Power Supplies: Utilized to improve regulation and transient response.
5. Battery Chargers: Ensures consistent charging voltage in battery management systems.
6. Amplifiers and Oscillators: Offers stable reference for enhancing performance.

Package

The LM431ACZ/J5000260 is a voltage reference IC, typically packaged in a TO-92 form factor. The TO-92 package is a small, epoxy-encased, through-hole device commonly used for low-power and small-size semiconductor components.

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