TL431ACLP

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TL431ACLP

IC VREF SHUNT ADJ 1% TO92-3

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規格

Package Bulk,Bulk
ProductStatus Obsolete
ReferenceType Shunt
OutputType Adjustable
Voltage-Output(Min/Fixed) 2.495V
Voltage-Output(Max) 36 V
Current-Output 100 mA
Tolerance ±1%
TemperatureCoefficient 50ppm/°C Typical
Current-Cathode 1 mA
OperatingTemperature -25°C ~ 85°C (TA)
MountingType Through Hole
Package/Case TO-226-3, TO-92-3 (TO-226AA)

概述

Description

The TL431ACLP is a precision adjustable shunt voltage regulator commonly used in electronic circuits for voltage reference and regulation applications. It operates as a programmable zener diode with a wide range of output voltages, usually adjustable from 2.5V to 36V, depending on the circuit configuration. The device is typically housed in a TO-92 package, which is suitable for through-hole mounting.
Key features of the TL431ACLP include a low output voltage tolerance, typically ±0.5% for certain versions, and a wide operating current range, usually from 1 mA to 100 mA. It ensures reliable performance with a temperature-compensated bandgap reference, making it suitable for temperature-sensitive applications.
Common applications include use in power supplies, voltage monitoring, and feedback loops for switch-mode power supplies (SMPS). The TL431ACLP, due to its precision and versatility, is widely used in various consumer electronics, industrial equipment, and communication devices. Its adjustable output and stability make it a valuable component for designing robust and efficient power regulation systems.

Features

The TL431ACLP is a precision programmable reference voltage device with a wide range of features ideal for various applications. It operates as a shunt regulator, providing a stable output voltage over a wide current range. The device offers an adjustable output voltage that can be set anywhere between 2.5V and 36V, making it highly versatile. It is known for its low output dynamic impedance, ensuring minimal output voltage variation with changes in load current.
The TL431ACLP features a tight voltage tolerance of 0.5%, ensuring high precision and accuracy. It operates over a wide cathode current range from 1 mA to 100 mA. The device has a fast turn-on response, enhancing its suitability for transient applications. It also provides stability over a range of temperatures, typically from -40°C to 125°C.
The TL431ACLP is widely used in applications such as power supplies, voltage monitoring, and adjustable voltage references. Its compact size and reliability make it a popular choice in both consumer and industrial electronic designs.

Package

The TL431ACLP is a three-terminal adjustable shunt regulator commonly available in a TO-92 package. This package type is a small, through-hole plastic package, which is widely used for low-power semiconductor devices.

Pinout

The TL431ACLP is a three-terminal adjustable precision shunt regulator. It is commonly used for voltage regulation and precision current limit applications. The device typically comes in a three-pin package, such as the TO-92, SOT-23, or similar formats. The three pins are:
1. Reference (Ref): This pin is used to set the reference voltage. By connecting external resistors, you can adjust the output voltage.
2. Anode (A): This is the ground or negative reference point for the device.
3. Cathode (K): This pin functions as the output where the regulated voltage is applied. It is also connected to the load in shunt regulator configurations.
The TL431ACLP can be used to replace Zener diodes in many applications, offering improved performance due to its adjustable features and precise reference voltage.

Manufacturer

The TL431ACLP is manufactured by Texas Instruments (TI). Texas Instruments is a global technology company that designs and manufactures semiconductors and various integrated circuits, which are used in electronics ranging from consumer devices to industrial equipment. TI is known for its innovation and leadership in the semiconductor industry, providing a wide range of products including analog chips, digital signal processors, and microcontrollers. As a major player in the electronics sector, TI focuses on developing products that facilitate the advancement of electronics and improve the efficiency and performance of electronic systems.

Application

The TL431ACLP is a programmable precision shunt voltage regulator used in various applications such as voltage reference in power supplies, voltage monitoring, and comparator circuits. It is commonly utilized for precision adjustable voltage regulation, over-voltage protection, linear regulators, switching power supplies, and battery-operated devices. Additionally, it can be used for error amplification in feedback loops and as a temperature sensor in some configurations. Its versatility and accuracy make it suitable for consumer electronics, industrial controls, and communication equipment.

Equivalent

The TL431ACLP is a precision adjustable shunt regulator. Equivalent products include:
1. LM431 series (e.g., LM431ACZ)
2. KA431 series
3. NCP431 series
4. AZ431 series
5. AS431 series
These alternatives offer similar functionality, including voltage reference and regulation, with varying specifications depending on the manufacturer. Always check the datasheet to ensure compatibility with your specific application requirements.

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