TL431ID

Images à titre indicatif uniquement

TL431ID

+Nomenclature

IC VREF SHUNT ADJ 2.21% 8SO

365 Garantie qualité 24h/24

7*24 Garantie de service 24h/24

90-Garantie après-vente 24h/24

Garantie produit authentique

Spécifications

Attribut Valeur
Package Tube
ProductStatus Obsolete
ReferenceType Shunt
OutputType Adjustable
Voltage-Output(Min/Fixed) 2.495V
Voltage-Output(Max) 36 V
Current-Output 100 mA
Tolerance ±2.21%
Current-Cathode 1 mA
OperatingTemperature -40°C ~ 105°C (TA)
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Présentation

Description

The TL431ID is a programmable precision reference component commonly used in electronic circuits for voltage regulation and control. It functions as an adjustable shunt regulator, providing a stable reference voltage that can be set through external resistors across its three terminals: the reference (REF), cathode (K), and anode (A).
This device is widely utilized in power supply applications, where it can help maintain a constant output voltage despite variations in load current or input voltage. The TL431ID offers excellent temperature stability and low output noise, making it suitable for precision applications. It operates typically with a reference voltage of 2.5V and can adjust its output up to 36V.
Its small size, typically in a TO-92, SOT-23, or SOIC package, allows for compact circuit designs. The TL431ID's versatility, precision, and reliability make it a popular choice among designers for both consumer and industrial electronics applications, where precise voltage regulation is crucial.

Equivalent

The TL431ID is a precision voltage reference and shunt regulator. Equivalent products include the LM431, LMV431, TL432, KA431, AZ431, and AS431, among others. These components have similar functionality and can be used interchangeably in many applications, though it's important to verify the specific electrical characteristics and package options to ensure compatibility with your design requirements.

Features

The TL431ID is a precision programmable shunt voltage reference, commonly used for voltage regulation applications. Key features include:
1. Adjustable Output Voltage: It can be set to different voltages, typically from 2.5V to 36V, using an external resistor divider.
2. Precision: Offers tight voltage tolerance with low temperature coefficient, ensuring stable performance across varying conditions.
3. Wide Cathode Current Range: Operates effectively over a cathode current range of 1mA to 100mA.
4. Low Output Impedance: Provides excellent load regulation with a typical output impedance of 0.22 ohms.
5. Stability: Ensures stable operation with a wide range of capacitive loads.
6. Package Options: Available in various package types, including TO-92, SOT-23, and SOIC-8, offering flexibility for different applications.
7. Applications: Commonly used in power supplies, voltage monitoring, and as a reference element in precision circuits.
These features make the TL431ID a versatile and reliable choice for numerous electronic applications requiring precision voltage regulation.

Pinout

The TL431ID is a programmable precision reference component commonly used in electronics for voltage regulation. It typically comes in an 8-pin SOIC (Small Outline Integrated Circuit) package, although it can also be found in other packages like TO-92, each with different pin counts.
For the SOIC-8 package, the TL431ID uses these key pins:
1. Reference (Ref): This pin is used to set the reference voltage. By applying a voltage to this pin, you can program the output voltage.
2. Anode (A): This is the anode pin of the internal diode, typically connected to the ground in standard applications.
3. Cathode (K): This pin outputs the regulated voltage. It can sink current to maintain a stable voltage.
The TL431ID acts as an adjustable Zener diode, and its main function is to maintain a stable voltage across its cathode to anode terminals, which is programmable through the reference pin. This makes it useful in feedback loops for voltage regulation in power supplies and other circuits requiring a stable, adjustable reference voltage.

Manufacturer

The TL431ID is manufactured by Texas Instruments. Texas Instruments, often abbreviated as TI, is an American technology company headquartered in Dallas, Texas. It is renowned for its development and production of semiconductors and integrated circuits, which are widely used in electronics across various industries. TI specializes in analog chips, embedded processors, and other electronic components. The company is known for its innovation and plays a significant role in the electronics and technology sectors worldwide.

Application

The TL431ID is a precision programmable voltage reference commonly used in various electronic applications. Key areas include:
1. Voltage Regulation: It provides a stable reference voltage for linear and switching power supplies.
2. Feedback Control: Used in feedback loops of power supplies and regulators to maintain a constant output voltage.
3. Shunt Regulators: Functions as a shunt regulator in circuits to maintain voltage levels.
4. Battery Chargers: Ensures accurate control and monitoring of charging processes.
5. Overvoltage Protection: Used in protection circuits to prevent overvoltage conditions.
6. LED Drivers: Supports stable current and voltage regulation in LED driving circuits.
These applications leverage its precision and programmability for stable performance in diverse electronic systems.

Package

The TL431ID is typically available in a standard 8-pin SOIC (Small Outline Integrated Circuit) package. This package type is commonly used for surface-mount technology on printed circuit boards.