TS431AILT

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TS431AILT

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IC VREF SHUNT ADJ 1% SOT23-5

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Specifications

Attribute Value
Part Status Active
Base Product Number TS431
Reference Type Shunt
Output Type Adjustable
Voltage - Output (Min/Fixed) 1.24V
Current - Output 30 mA
Tolerance ±1%
Temperature Coefficient 100ppm/°C
Operating Temperature -40°C ~ 125°C (TA)
Mounting Type Surface Mount
Package SC-74A, SOT-753
Supplier Device Package SOT-23-5
Packaging Cut Tape (CT), Tape & Reel (TR)
Voltage - Output (Max) 6 V
Current - Cathode 60 µA

Overview

Description

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Equivalent

The TS431AILT is a programmable shunt voltage reference. Equivalent products include:
1. TL431 by Texas Instruments
2. LM431 by ON Semiconductor
3. KA431 by Fairchild Semiconductor
4. AZ431 by Diodes Incorporated
5. AS431 by BCD Semiconductor
These components serve similar functions and can often be used interchangeably in circuits requiring a shunt voltage reference. Always check the datasheets for compatibility in terms of voltage range, tolerance, and temperature stability.

Features

The TS431AILT is a three-terminal adjustable shunt voltage regulator, commonly used in electronic circuits for voltage reference and regulation purposes. Key features include:
1. Adjustable Output Voltage: It provides a stable reference voltage with an adjustable output voltage range typically from 2.5V to 36V.
2. Low Temperature Coefficient: Offers excellent stability over a wide temperature range, typically around 50 ppm/°C.
3. Wide Operating Current: Has an operational current range from 1 mA to 100 mA, making it suitable for various applications.
4. High Accuracy: It provides high precision with typical reference voltage tolerance of ±1%.
5. Low Output Impedance: Typically around 0.22 ohms, ensuring minimal voltage drop and improved performance.
6. Package Options: Available in surface-mount packages such as SOT-23, making it suitable for compact designs.
7. Thermal Stability: Designed to operate efficiently in varying thermal conditions, contributing to its reliability.
8. Secure Design: Equipped with protection against overcurrent and thermal overload, enhancing durability.
These features make the TS431AILT ideal for use in power management, data acquisition systems, and other applications requiring precise voltage regulation.

Pinout

The TS431AILT is a three-terminal adjustable shunt voltage reference. It typically comes in a SOT-23-3 package, which has 3 pins. The pin functions are as follows:
1. Reference (Ref): This pin is the input for the reference voltage. The voltage at this pin determines the output voltage.
2. Anode (A): This is the pin where the current flows out. It is typically connected to ground in most applications.
3. Cathode (K): This pin is connected to the output and provides the regulated output voltage. The voltage across the cathode and anode determines the operating state of the device.
The TS431AILT functions as a precision voltage reference, commonly used in applications where there is a need for a stable voltage reference, such as voltage regulation, adjustable power supplies, and analog-to-digital converters.

Manufacturer

The TS431AILT is manufactured by STMicroelectronics. STMicroelectronics is a leading global semiconductor company that designs, develops, manufactures, and markets a wide range of semiconductor products and solutions. The company provides its components and solutions for a variety of applications across different industries, including automotive, industrial, personal electronics, communications equipment, and more. STMicroelectronics is known for its innovation in integrated circuits and discrete devices, supporting the electronics industry with advanced technology and reliable products.

Application

The TS431AILT is a precision shunt voltage reference often used in various electronic applications. Key application areas include:
1. Voltage Regulation: Used in power supply circuits to maintain a stable output voltage.
2. Analog-to-Digital Converters (ADCs): Enhances accuracy by providing a stable reference voltage.
3. Data Acquisition Systems: Ensures precise measurements by stabilizing the reference voltage.
4. Battery Management Systems: Monitors and controls battery charging and discharging.
5. Instrumentation: Used in precision measuring instruments for consistent performance.
6. Feedback Control Loops: Stabilizes control systems in various electronic circuits.
These applications benefit from its temperature stability, low noise, and adjustable output voltage.

Package

The TS431AILT is typically available in a SOT-23 package type. SOT-23 is a small, surface-mount package commonly used for electronic components.