AZ431AN-ATRG1

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AZ431AN-ATRG1

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IC VREF SHUNT ADJ 0.4% SOT23-3

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Especificações

Atributo Valor
Package / Case Tape & Reel (TR),Cut Tape (CT)
Part Status Active
Reference Type Shunt
Output Type Adjustable
Voltage - Output (Min/Fixed) 2.5V
Voltage - Output (Max) 36 V
Current - Output 100 mA
Tolerance ±0.4%
Temperature Coefficient 20ppm/°C Typical
Current - Cathode 1 mA
Operating Temperature -40°C ~ 125°C (TA)
Mounting Type Surface Mount

Visão Geral

Description

The AZ431AN-ATRG1 is a precision adjustable shunt regulator. It is commonly used in electronic circuits to maintain a constant voltage level, providing a stable reference voltage. The device operates similarly to a Zener diode but offers improved performance due to its adjustable threshold voltage. It has a versatile voltage range and can be adjusted from 2.5V up to 36V, making it suitable for a variety of applications, such as voltage regulation, power supply systems, and precision current regulation.
Key features of the AZ431AN-ATRG1 include a low temperature coefficient, ensuring consistent performance over a wide temperature range, and a low output impedance, which makes it efficient in regulating voltage. The device comes in a small package, which is advantageous for space-constrained applications. It is favored for its high accuracy, reliable performance, and ease of use in both industrial and consumer electronics. Its applications span across power management in computers, televisions, battery-operated devices, and other electronic gadgets requiring precise voltage regulation.

Equivalent

The AZ431AN-ATRG1 is a programmable shunt regulator. Equivalent products include:
1. TL431 series from Texas Instruments
2. LM431 series from ON Semiconductor
3. AS431 series from Diodes Incorporated
4. KA431 series from Fairchild Semiconductor
5. NCP431 series from ON Semiconductor
These components provide similar functions as precision adjustable voltage references, often used for voltage regulation and control in various electronic circuits. Always check the datasheets to ensure compatibility with specific circuit requirements.

Features

The AZ431AN-ATRG1 is a three-terminal adjustable shunt regulator with a precise voltage reference. Its key features include:
1. Adjustable Output Voltage: The output voltage can be set to any value between 2.5V and 36V using two external resistors.
2. Precision: It offers a typical reference voltage tolerance of ±0.5%, making it suitable for precision applications.
3. Low Temperature Coefficient: The device has a low temperature coefficient, enhancing its performance across varying temperatures.
4. Stability: The AZ431AN-ATRG1 is designed for stability with capacitive loads, facilitating its use in various circuit designs.
5. Output Current: It can sink output currents up to 100 mA, supporting a wide range of applications.
6. Wide Operating Temperature Range: It operates effectively over a temperature range from -40°C to +85°C.
7. Package Options: Available in various package options, providing flexibility for different design requirements.
These features make the AZ431AN-ATRG1 ideal for use in voltage monitoring, adjustable power supplies, and error amplifiers.

Pinout

The AZ431AN-ATRG1 is a three-terminal adjustable shunt regulator. It typically comes in a TO-92 package, which has 3 pins. The main functions of the AZ431AN-ATRG1 are as follows:
1. Reference Voltage: It provides a precise reference voltage with a typical value around 2.5V.
2. Adjustable Output Voltage: The output voltage can be adjusted to a wide range above the reference voltage by using external resistor dividers.
3. Shunt Regulator: It acts like a Zener diode but with a variable breakdown voltage for voltage regulation applications.
4. Stability: The device maintains stability across a wide range of temperatures and output currents.
The three pins are typically configured as:
- Pin 1 (Reference / Ref): This is connected to the reference voltage.
- Pin 2 (Anode): Acts as the negative terminal or ground.
- Pin 3 (Cathode / Output): Connects to the load and external resistor network for voltage adjustment.
This component is widely used in voltage regulation circuits, power supplies, and other applications requiring a stable voltage reference.

Manufacturer

The AZ431AN-ATRG1 is manufactured by Diodes Incorporated. Diodes Incorporated is a global semiconductor company that designs, manufactures, and supplies a broad range of discrete, analog, and mixed-signal products. The company serves diverse markets including consumer electronics, computing, communications, industrial, and automotive industries. Diodes Incorporated is known for its focus on efficiency, quality, and innovation in delivering semiconductor solutions.

Application

The AZ431AN-ATRG1 is a voltage reference device commonly used in various electronic applications. Its primary application areas include power supply regulation, where it provides a stable reference voltage for linear and switching power supplies. It is also utilized in voltage monitoring and overvoltage protection circuits to ensure system stability and reliability. Additionally, it can be found in analog-to-digital converters (ADCs) to improve measurement accuracy and in battery-operated devices for stable voltage references. The device's precision and low-temperature coefficient make it suitable for a wide range of instrumentation and control applications.

Package

The AZ431AN-ATRG1 is typically available in a SOT-23 package type, which is a small, surface-mount package commonly used for semiconductor devices.

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