TL431ACD

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TL431ACD

+Nomenclature

IC VREF SHUNT ADJ 1% 8SO

  • FabricantSemi - conducteurs optiques

  • Pièce fabricant #TL431ACD

  • Fiche technique TL431ACD DataSheet

  • En stock4655

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Spécifications

Attribut Valeur
PartStatus Obsolete
ReferenceType Shunt
OutputType Adjustable
Voltage-Output(Min/Fixed) 2.495V
Current-Output 100 mA
Tolerance ±1%
OperatingTemperature 0°C ~ 70°C (TA)
MountingType Surface Mount
Package/Case 8-SOIC (0.154", 3.90mm Width)
SupplierDevicePackage 8-SOIC
BaseProductNumber TL431
Current-Cathode 600 µA
Voltage-Output(Max) 36 V

Présentation

Description

The TL431ACD is a programmable shunt voltage reference used in various electronic applications. It features an adjustable output voltage range from 1.25V to 36V, making it versatile for different voltage regulation needs. The device operates with a low temperature coefficient, ensuring stable performance across varying temperatures.
It has three terminals: the anode (A), cathode (K), and reference (R), allowing for easy integration into circuits. The TL431ACD can be used in applications such as power supplies, battery chargers, and feedback loops for switching regulators.
Designed for low-power applications, it has a maximum output current of 100 mA and a typical dynamic impedance of 0.1 ohms, offering good load regulation. The device is packaged in various formats, including TO-92, SOIC, and others, facilitating its use in different circuit designs. Overall, the TL431ACD is a reliable component for precision voltage regulation and feedback control in electronic systems.

Equivalent

The TL431ACD is a programmable shunt voltage reference. Equivalent products include the LM431, LMV431, and TLVH431. Other alternatives are the MIC431 and REF431, which offer similar functionality in adjustable voltage reference applications. Ensure to check the specific electrical characteristics and package types for compatibility in your design.

Features

The TL431ACD is a programmable shunt voltage reference with the following key features:
1. Adjustable Output Voltage: It provides an adjustable output voltage range from 2.5V to 36V.
2. High Accuracy: Offers a reference voltage accuracy of ±1% at 25°C.
3. Temperature Stability: Features low temperature coefficient, ensuring stable operation across varying temperatures.
4. Wide Operating Current: Operates with a reference current ranging from 1 mA to 100 mA.
5. Fast Response Time: Quick response to load and line changes, ideal for power supply regulation.
6. Low Noise: Designed for minimal noise, making it suitable for precision applications.
7. Versatile Application: Commonly used in linear regulators, power supplies, and feedback control circuits.
8. Compact Package: Available in various packages such as TO-92, SO-8, and others for easy integration.
These features make the TL431ACD suitable for a wide range of electronic applications requiring precise voltage regulation.

Pinout

The TL431ACD is a programmable voltage reference and shunt regulator with a total of three pins. Its pin functions are as follows:
1. Ref (Reference) - Pin 1: This pin is used to set the output voltage by connecting a resistor divider. It provides the reference voltage for the internal comparator.
2. Anode (A) - Pin 2: This pin connects to the load and is the positive terminal of the shunt regulator. It receives the current from the load.
3. Cathode (K) - Pin 3: This pin is connected to the output voltage and is the negative terminal of the shunt regulator. It regulates the output voltage by controlling the current flowing from the Anode to the Cathode.
The TL431ACD is commonly utilized in power supply circuits for voltage regulation and feedback control. Its adjustable output voltage ranges from 1.25V to 36V.

Manufacturer

The TL431ACD is manufactured by Texas Instruments (TI), a prominent global semiconductor company. Founded in 1930, Texas Instruments is headquartered in Dallas, Texas, and is renowned for its innovation in analog electronics, embedded processing, and digital signal processing. The company designs and produces a wide range of electronic components and systems, including microcontrollers, processors, and analog chips.
The TL431ACD is a programmable shunt voltage reference that is commonly used in power management applications due to its ability to provide a stable reference voltage. Texas Instruments operates in various sectors including industrial, automotive, consumer electronics, and communications, making it a key player in the electronics industry. The company is committed to sustainability and technological advancement, investing heavily in research and development to maintain its competitive edge. With a strong focus on quality and reliability, Texas Instruments continues to be a trusted source for engineers and manufacturers across the globe.

Application

The TL431ACD is a programmable shunt voltage reference commonly used in various applications, including:
1. Power Supply Regulation: As a voltage reference in linear voltage regulators.
2. Feedback Control: In switching power supplies for voltage regulation.
3. Battery Chargers: For maintaining constant voltage output.
4. Voltage Monitoring: In circuits for over-voltage and under-voltage detection.
5. Signal Conditioning: In sensor applications to provide stable reference levels.
6. LED Drivers: For maintaining consistent light output in LED circuits.
7. Consumer Electronics: In audio and video equipment for signal integrity.
Its versatility makes it suitable for diverse electronic designs.

Package

The TL431ACD is typically offered in a TO-92 package type, which is a three-lead plastic package. It can also be found in other package types like SOIC-8 and DFN for surface mount applications, depending on the manufacturer's specifications.