TL431CDBVR

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TL431CDBVR

IC VREF SHUNT ADJ 2.2% SOT23-5

  • 제조업체
  • Mfr.부분 #TL431CDBVR
  • 패키지 SOT-23 (DBV)-5
  • 데이터시트
  • 재고 있음7802

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사양

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
ReferenceType Shunt
OutputType Adjustable
Voltage-Output(Min/Fixed) 2.495V
Voltage-Output(Max) 36 V
Current-Output 100 mA
Tolerance ±2.2%
Current-Cathode 1 mA
OperatingTemperature 0°C ~ 70°C (TA)
MountingType Surface Mount
Package/Case SC-74A, SOT-753

개요

Description

The TL431CDBVR is a versatile, precision programmable voltage reference device commonly used in electronic circuits for voltage regulation and over-voltage protection. Manufactured by Texas Instruments, it features an adjustable shunt regulator, which can be programmed to a precise output voltage using two external resistors. The device operates with a wide range of cathode current, typically from 1 mA to 100 mA, and can provide stable performance across varying temperatures and conditions.
Key features of the TL431CDBVR include low output voltage tolerance, good temperature stability, and a programmable reference voltage range of 2.5V to 36V. This makes it suitable for use in applications such as switching power supplies, battery chargers, and other precision voltage regulation tasks.
The TL431CDBVR is housed in a space-saving SOT-23 package, making it ideal for compact circuit designs. Its precision, reliability, and ease of use have made it a popular choice among engineers for use in both consumer electronics and industrial systems.

Features

The TL431CDBVR is a precision programmable voltage reference from Texas Instruments. Key features include:
1. Adjustable Output: It allows for an output voltage range from 2.5V to 36V, making it versatile for various applications.
2. Precision: It offers a typical output voltage tolerance of ±0.5%, ensuring high accuracy.
3. Low Temperature Coefficient: The component maintains stability across temperatures with a low temperature coefficient of 30 ppm/°C.
4. Wide Operating Current: It supports an operating cathode current range from 1 mA to 100 mA.
5. Fast Response: The TL431CDBVR provides a fast turn-on response, which is crucial for applications requiring quick signal stabilization.
6. Small Package: It is available in a small SOT-23 package, suitable for compact designs.
7. Application Versatility: Commonly used in voltage monitoring, precision current sourcing, and as a comparator in various circuit designs.
These features make the TL431CDBVR an ideal choice for applications needing a stable and adjustable reference voltage.

Package

The TL431CDBVR is a voltage reference IC packaged in a SOT-23-3, which is a small surface-mount package with three pins. This package type is commonly used for its compact size and suitability in space-constrained applications.

Pinout

The TL431CDBVR is a three-pin device. It is a programmable precision reference with adjustable voltage, commonly used in voltage regulation applications. The device has the following pin functions:
1. Anode (A): This is the ground reference point of the device and is typically connected to the negative side of the power supply.
2. Cathode (K): This pin is the output of the device. It conducts current when the reference voltage is exceeded and helps maintain a stable output voltage by shunting excess current.
3. Reference (R): This is the control input pin. By applying a voltage to this pin, the output voltage at the cathode can be adjusted. The reference voltage is typically set using a voltage divider network.
The TL431CDBVR is often used in various applications, including switching power supplies, error amplifiers, and as a precision voltage clamp. It provides a stable reference voltage over a wide range of operating conditions.

Manufacturer

The TL431CDBVR is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company that designs and manufactures a broad range of integrated circuits. Founded in 1930 and headquartered in Dallas, Texas, TI is known for its innovation in analog and embedded processing products. The company serves various markets, including industrial, automotive, personal electronics, and communications equipment. TI is recognized for developing advanced semiconductor solutions that enable the rapid progression of technology across different sectors.

Application

The TL431CDBVR is a precision programmable voltage reference commonly used in applications such as power supply regulation, overvoltage/undervoltage protection, switching power supplies, error amplifiers, and adjustable voltage and current regulators. It is also utilized in battery chargers, LED drivers, and other circuits requiring precise voltage regulation. Its versatility and accuracy make it suitable for a wide range of electronic devices and systems.

Equivalent

Equivalent products to the TL431CDBVR, a programmable voltage reference, include the LM431, TL431A, KA431, LMV431, and AZ431. These alternatives offer similar features and functionality for use in voltage regulation applications. Always check specific datasheets to ensure compatibility with your application requirements.

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