TL431AILPRE3-J

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TL431AILPRE3-J

+Nomenclature

IC VREF SHUNT ADJ 1% TO92-3

  • FabricantTexas Instruments

  • Pièce fabricant #TL431AILPRE3-J

  • En stock6159

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Spécifications

Attribut Valeur
Part Status Obsolete
Reference Type Shunt
Output Type Adjustable
Voltage - Output (Min/Fixed) 2.495V
Current - Output 100 mA
Tolerance ±1%
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Through Hole
Package / Case TO-226-3, TO-92-3 (TO-226AA) Formed Leads
Supplier Device Package TO-92-3
Base Product Number TL431
Current - Cathode 700 µA
Voltage - Output (Max) 36 V

Présentation

Description

The TL431AILPRE3-J is a precision programmable voltage reference from Texas Instruments. It functions as a shunt regulator, offering a stable reference voltage with a typical tolerance of ±0.5%. The device operates over a wide temperature range and supports applications requiring voltage regulation, such as power supplies and battery chargers. The TL431AILPRE3-J can be adjusted to output voltages from 2.5V to 36V by using two external resistors. It features low temperature coefficient and fast response time, making it suitable for a variety of electronic circuits. The component is available in a TO-92 package, which is compact and suitable for through-hole mounting. It also provides good thermal performance. Its versatility and reliability make it an ideal choice for designers requiring a precise voltage reference in compact circuits.

Equivalent

The TL431AILPRE3-J is a programmable voltage reference. Equivalent products include:
1. LM431 - by Texas Instruments, ON Semiconductor, and others.
2. KA431 - by Fairchild Semiconductor.
3. TLVH431 - by Texas Instruments.
4. TL432 - by various manufacturers, offering similar specifications.
5. AS431 - by Diodes Incorporated.
These equivalents offer similar functionality and specs, though specific parametrics like tolerance and temperature range should be checked for compatibility.

Features

The TL431AILPRE3-J is a precision programmable shunt voltage reference. Key features include:
1. Adjustable Output Voltage: It can be adjusted from 2.5V to 36V, providing flexibility for different applications.

2. Precision: The component offers a high level of voltage accuracy with a typical reference voltage tolerance of ±0.5%.
3. Temperature Stability: It provides excellent temperature stability, with a typical temperature coefficient of 30 ppm/°C.
4. Sink Current Capability: It can handle a wide range of cathode current from 1 mA to 100 mA, making it suitable for various load conditions.
5. Low Output Noise: Ideal for applications where low noise is critical.
6. Package Options: Available in different package types to suit various design requirements.
7. Applications: Often used in power supplies, voltage monitoring, and adjustable reference systems due to its precision and versatility.
These features make the TL431AILPRE3-J suitable for a wide range of applications requiring a reliable and adjustable voltage reference.

Pinout

The TL431AILPRE3-J is a three-terminal adjustable precision shunt regulator. The pin count for this device is three. The pins typically include:
1. Reference (Ref): This pin is used to set the reference voltage. It is connected to a voltage divider network to adjust the output voltage.
2. Anode (A): This is the negative terminal or input, typically connected to ground in circuit applications.
3. Cathode (K): This is the positive terminal or output, where the regulated voltage is taken, and it connects to the load.
The TL431AILPRE3-J is widely used for voltage regulation in a variety of electronic circuits, offering a stable output voltage over a range of input voltages, temperatures, and load conditions. It is often used in power supply and battery charger applications due to its precision and adjustable output.

Manufacturer

The TL431AILPRE3-J is manufactured by Texas Instruments. Texas Instruments (TI) is a well-established American technology company that designs and manufactures semiconductors and integrated circuits, which are sold to electronics designers and manufacturers globally. TI is one of the top semiconductor companies in the world, and it serves a broad range of markets, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. The company is known for its innovation and production of analog chips, embedded processors, and a variety of other semiconductor products.

Application

The TL431AILPRE3-J is a precision adjustable shunt regulator commonly used in various electronic applications. Its primary application areas include:
1. Voltage Regulation: It serves as a precise voltage reference in power supply circuits.
2. Switching Power Supplies: It is used for feedback regulation in switching power supply designs.
3. Analog Circuit Reference: Provides stable reference voltage for analog circuit applications.
4. Battery Chargers: Helps in maintaining constant voltage in battery charging systems.
5. Overvoltage Protection: Used in circuits to prevent overvoltage conditions by acting as a reference point.
These applications leverage its ability to maintain a stable voltage over a wide range of operating conditions.

Package

The TL431AILPRE3-J is a three-terminal adjustable shunt regulator. It typically comes in a package type suitable for surface-mount technology (SMT), such as SOT-89 or SOT-23, depending on the manufacturer. This compact package allows for efficient thermal management and ease of integration into various circuit designs.

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