TL431IDBVR

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TL431IDBVR

+Nomenclature

IC VREF SHUNT ADJ 2.2% SOT23-5

  • FabricantTexas Instruments

  • Pièce fabricant #TL431IDBVR

  • Package SOT-23-5

  • En stock2251

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Spécifications

Attribut Valeur
Package / Case Tape & Reel (TR),Cut Tape (CT)
Part Status Active
Reference Type Shunt
Output Type Adjustable
Voltage - Output (Min/Fixed) 2.495V
Voltage - Output (Max) 36 V
Current - Output 100 mA
Tolerance ±2.2%
Current - Cathode 1 mA
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount

Présentation

Description

The TL431IDBVR is a precision programmable voltage reference and shunt regulator diode commonly used in electronic circuits. Manufactured by Texas Instruments, it is housed in a small SOT-23 package, making it suitable for compact designs. The device provides a stable reference voltage over a wide range of temperatures and operating conditions, making it ideal for applications requiring precise voltage regulation.
Key features of the TL431IDBVR include its adjustable output voltage, which can be set between 2.5 V and 36 V, and its ability to handle cathode currents ranging from 1 mA to 100 mA. The device offers a typical output voltage tolerance of ±0.5%, ensuring high accuracy in voltage regulation tasks. It is widely used in power management applications, providing stable reference voltages for analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and other precision circuits.
The TL431IDBVR's low output noise and high thermal stability make it suitable for use in various consumer electronics, industrial equipment, and communication devices. Its versatility and reliability have made it a staple in the design of regulated power supply systems.

Equivalent

The TL431IDBVR is a programmable precision shunt voltage reference. Equivalent products include:
1. LM431 series by Texas Instruments
2. LMV431 by Texas Instruments
3. TLV431 by Texas Instruments
4. KA431 by ON Semiconductor
5. AZ431 by Diodes Incorporated
6. LMV431 by ON Semiconductor
7. LT1431 by Analog Devices
These alternatives offer similar functionality and are often used in voltage regulation and reference circuits. Always check the datasheets to ensure compatibility with your specific application.

Features

The TL431IDBVR is a precision programmable shunt regulator that offers key features suitable for various applications. It provides a wide operating voltage range of 2.5V to 36V with a typical output voltage tolerance of ±0.5%. The device offers a programmable output voltage using two external resistors, allowing flexibility in setting the desired voltage level.
It has a fast response time, which makes it suitable for applications requiring quick adjustments and stability. The TL431IDBVR features a low output impedance, ensuring consistent performance across different load conditions. Additionally, it requires minimal external components for operation, simplifying circuit design.
The device comes in a small SOT-23 package, making it suitable for compact, space-constrained applications. It is widely used in power supply regulation, voltage monitoring, and adjustable voltage reference applications. Furthermore, it operates over a temperature range of -40°C to +85°C, providing reliability in various environmental conditions.

Pinout

The TL431IDBVR is a precision programmable shunt voltage reference. It typically comes in a SOT-23 package with 3 pins. The functions of these pins are as follows:
1. Reference (R): This pin is connected to the reference voltage. It is used to set the output voltage through an external resistor network.
2. Anode (A): This pin is usually connected to the ground (or a low voltage point in the circuit). It serves as the common or ground reference point.
3. Cathode (K): This pin is connected to the input voltage. It is where the current flows out of the device, regulating the output voltage as required.
The TL431 is widely used for voltage regulation applications, functioning similar to a Zener diode, but with more precise control over the output voltage through external resistors.

Manufacturer

The TL431IDBVR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of electronic components. TI is well-known for producing integrated circuits, microcontrollers, processors, and various other semiconductor devices. The company is a leader in the electronics industry, providing innovative solutions for various applications including automotive, industrial, personal electronics, communications equipment, and enterprise systems. Texas Instruments is headquartered in Dallas, Texas, and is recognized for its significant contributions to technology advancements and support for engineers and developers with tools and resources.

Application

The TL431IDBVR is a precision programmable voltage reference commonly used in various applications. It is widely utilized in power supply circuits for voltage regulation and feedback control, ensuring stable output voltage. The component is also employed in adjustable voltage regulators, switching power supplies, and battery chargers. Additionally, it finds application in overvoltage and undervoltage protection circuits, where it helps in maintaining system reliability. Its precision makes it suitable for use in instrumentation and measurement equipment. The TL431IDBVR can also be found in LED drivers and as a reference in analog-to-digital converters. Overall, its versatility and reliability make it a popular choice in diverse electronic circuits.

Package

The TL431IDBVR is a precision programmable shunt voltage reference packaged in a SOT-23-5 form factor. This compact surface-mount package is suitable for space-constrained applications and provides a stable voltage reference across a wide range of temperatures and currents.