TL431BIDR2G

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TL431BIDR2G

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IC VREF SHUNT ADJ 0.4% 8SOIC

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Attribut Wert
Part Status Active
Reference Type Shunt
Output Type Adjustable
Voltage - Output (Min/Fixed) 2.495V
Current - Output 100 mA
Tolerance ±0.4%
Temperature Coefficient 50ppm/°C Typical
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Base Product Number TL431
Current - Cathode 1 mA
Voltage - Output (Max) 36 V

Übersicht

Description

The TL431BIDR2G is a programmable shunt voltage reference commonly used in various electronic applications such as power supplies, voltage regulation, and signal conditioning. It features a precise reference voltage of 1.24V, adjustable output voltage, and offers high accuracy, low temperature coefficient, and low noise operation.
This device is designed to operate with a wide input voltage range, typically from 2.5V to 36V, making it versatile for different circuit designs. The TL431 can be configured in different modes, such as a voltage regulator or as a comparator, allowing for flexibility in circuit applications.
It comes in a surface-mount package (SOT-23), making it suitable for space-constrained designs. Additionally, the TL431 is compatible with various feedback mechanisms, allowing it to stabilize and regulate output voltage efficiently. Overall, it is a reliable component widely used in consumer electronics, industrial controls, and automotive systems.

Equivalent

The TL431BIDR2G is a programmable shunt voltage reference. Equivalent products include:
1. LM185/LM385 series
2. LM431
3. TLV431
4. LT1004
5. MCP1401
These alternatives provide similar functionality in voltage regulation and reference applications. Always verify specifications for compatibility in your specific use case.

Features

The TL431BIDR2G is a programmable shunt voltage reference commonly used in power supply circuits. Key features include:
1. Voltage Reference: Provides a precise reference voltage of 1.24V, adjustable from 2.5V to 36V with external resistors.
2. High Accuracy: Offers low temperature coefficient and tight tolerance, typically around ±1%.
3. Wide Operating Current Range: Works with a cathode current from 1 mA to 100 mA, allowing flexibility in various applications.
4. Fast Response Time: Quick response to load changes, ensuring stability in voltage regulation.
5. Low Output Impedance: Ensures minimal variation in output voltage with changes in current.
6. Temperature Range: Operates effectively over a wide temperature range, from -40°C to 125°C.
7. Compact Package: Available in a small SOT-23 package, making it suitable for space-constrained designs.
The TL431BIDR2G is ideal for applications in power supplies, battery management, and voltage regulation circuits.

Pinout

The TL431BIDR2G is a programmable shunt voltage reference with a pin count of 3. Its primary functions include voltage regulation and reference voltage generation. The pins are designated as follows:
1. Ref (Reference) - This pin is used to provide feedback to the internal comparator and can be connected to an external resistor divider to set the output voltage.
2. Cathode (K) - This is the output pin where the regulated voltage is available. It connects to the load and is responsible for sourcing current when the output is below the reference voltage.
3. Anode (A) - This pin connects to the ground or negative supply. It allows the shunt regulator to function by providing a path for the excess current.
The TL431 can be used in various applications, including power supplies, voltage regulation circuits, and as an adjustable voltage reference.

Manufacturer

The TL431BIDR2G is manufactured by Texas Instruments (TI), a leading semiconductor company. Founded in 1930 and headquartered in Dallas, Texas, Texas Instruments is known for designing and manufacturing a wide range of analog and digital semiconductor devices, including integrated circuits (ICs), microcontrollers, and processors.
Texas Instruments serves various markets, including automotive, industrial, communications, and consumer electronics. The company is particularly recognized for its expertise in analog technology, which is crucial for applications involving signal processing and power management. The TL431 is a programmable shunt voltage reference that can be used in various applications, such as power supplies and voltage regulation circuits. Texas Instruments is committed to innovation and has a strong focus on research and development to drive advancements in semiconductor technology.

Application

The TL431BIDR2G is a programmable shunt voltage reference and can be used in various applications, including:
1. Power Supply Regulation: Acts as a voltage reference in linear power supplies and switching regulators.
2. Feedback Control: Provides feedback in control circuits for voltage regulation.
3. Battery Management Systems: Monitors and regulates battery voltages.
4. Data Acquisition Systems: Ensures stable reference voltages for ADCs.
5. Voltage Supervisors: Acts as a reset circuit for microcontrollers when voltage levels drop.
6. LED Drivers: Maintains constant current in LED applications.
Its precision and flexibility make it suitable for diverse electronic designs.

Package

The TL431BIDR2G is packaged in a Surface Mount Device (SMD) configuration known as the TO-243AA, which is a 3-pin SOT-23 package.

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