TL431AID

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TL431AID

IC VREF SHUNT ADJ 1% 8SO

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Spécifications

Package Tube
ProductStatus Obsolete
ReferenceType Shunt
OutputType Adjustable
Voltage-Output(Min/Fixed) 2.495V
Voltage-Output(Max) 36 V
Current-Output 100 mA
Tolerance ±1%
Current-Cathode 700 µA
OperatingTemperature -40°C ~ 105°C (TA)
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Vue d'ensemble

Description

The TL431AID is a precision programmable shunt voltage regulator, commonly used in power supply circuits for voltage regulation. It functions similarly to a Zener diode but with an adjustable breakdown voltage. The device consists of an internal reference voltage (typically 2.5V) and an error amplifier, allowing the output voltage to be set anywhere between 2.5V and 36V using two external resistors.
Key features of the TL431AID include its wide operating temperature range, low temperature coefficient, and good thermal stability, making it suitable for use in a variety of temperature-sensitive applications. It also has a low output impedance, which ensures stable performance even in dynamic conditions.
The TL431AID is available in various package options, including TO-92, SOT-23, and SOIC-8, providing flexibility for different design needs. It is widely used in applications such as switching power supplies, battery chargers, and voltage adapters, where precise voltage regulation is essential.
Overall, the TL431AID is valued for its accuracy, versatility, and cost-effectiveness in electronic design.

Features

The TL431AID is a versatile, three-terminal adjustable shunt regulator commonly used for its precise voltage regulation capabilities. Key features include:
1. Adjustable Output Voltage: The output voltage can be set to any value between 2.5V and 36V with two external resistors.
2. Precise Reference Voltage: It provides a reference voltage of 2.495V with an accuracy of ±1% at 25°C, ensuring stable operation.
3. Wide Operating Range: It operates over a wide current range from 1 mA to 100 mA, making it suitable for a variety of applications.
4. Stability: Designed for stable performance with capacitive loads, offering reliable operation in diverse environments.
5. Low Temperature Coefficient: Exhibits low temperature drift, ensuring consistent performance across a range of temperatures.
6. Low Dynamic Output Impedance: Approximately 0.2Ω, improving load regulation.
7. Package Options: Available in various packages, including TO-92, SOT-23, and others, for flexibility in design integration.
8. Applications: Commonly used in power supplies, voltage monitoring, and as a precision voltage reference in various electronic circuits.
These features make the TL431AID a popular choice for designers needing precise voltage regulation and adaptability in electronic designs.

Package

The TL431AID is typically available in several package types, including the TO-92, SOT-23, and SOIC-8. These packages cater to different mounting requirements, such as through-hole or surface-mount technology, providing flexibility for various electronic circuit designs.

Pinout

The TL431AID is a programmable precision shunt voltage regulator. It typically comes in a 3-pin package. The pin configuration and functions are as follows:
1. Reference (Ref): This pin is used to set the reference voltage and is connected to the internal reference voltage generator. It allows the output voltage to be adjusted by changing the divider network.
2. Anode (A): This pin serves as the anode terminal of the internal diode. It is typically connected to ground in most applications.
3. Cathode (K): This pin is the cathode terminal and serves as the output of the device. It sinks current to regulate the voltage across the Ref and Anode pins to the desired voltage level.
The TL431AID is widely used for adjustable precision voltage regulation, acting as a shunt regulator, and can be configured in various applications including as a comparator or an error amplifier in feedback loops.

Manufacturer

The TL431AID is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company that designs and manufactures a wide range of integrated circuits and other electronic components. They are well-known for their analog and embedded processing products, which are used in various applications across different industries, including automotive, industrial, personal electronics, communications, and enterprise systems. TI is headquartered in Dallas, Texas, and has a strong presence in the semiconductor industry, focusing on innovation and efficiency in electronic systems.

Application

The TL431AID is a programmable precision shunt regulator often used in applications such as power supply regulation, voltage monitoring, and reference voltage generation. It is commonly found in switching power supplies, battery chargers, and LED drivers, where precise voltage control is needed. The device can also be used in temperature control systems, data acquisition systems, and as a comparator in various electronic circuits. Its versatility makes it suitable for a wide range of consumer electronics, industrial, and automotive applications.

Equivalent

The TL431AID is a voltage reference shunt regulator. Equivalent products include:
1. LM431
2. LMV431
3. TLV431
4. KA431
5. AZ431
6. AS431
7. TL432
8. LM4041
These components perform similar functions and can often be used interchangeably in circuits with appropriate consideration of voltage, current specifications, and package type.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

Paiements

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