TL431CDT

The TL431CDT is a three-terminal adjustable shunt regulator with precise voltage reference. It is widely used in voltage regulation and control applications. This device is capable of operating as a precision voltage reference and as an error amplifier with a voltage range from 2.5V to 36V. It provides an output voltage that can be set to any value between these limits using two external resistors.
Key features of the TL431CDT include a low dynamic output impedance, typically 0.22 ohms, and a wide operating temperature range, making it suitable for various applications. It also offers excellent temperature stability and a fast turn-on response time. The device is available in various package options, such as TO-92, SOT-23, and others, ensuring versatility in different circuit designs.
Common applications for the TL431CDT include power supplies, voltage monitoring circuits, and battery-operated systems. Its precision and reliability make it a popular choice for designers seeking a cost-effective solution for voltage regulation and reference needs.

The TL431CDT is a precision programmable voltage reference with the following key features:
1. Adjustable Output Voltage: It can be programmed to any voltage between 2.5V and 36V using two external resistors.
2. High Precision: Offers precise voltage regulation with a typical output voltage tolerance of ±0.5%.
3. Wide Operating Range: The device functions efficiently over a broad range of operating conditions, including a cathode current range from 1 mA to 100 mA.
4. Temperature Stability: Exhibits excellent temperature stability, making it suitable for applications with varying temperatures.
5. Low Dynamic Output Impedance: Typically around 0.2Ω, which ensures stable performance across different load conditions.
6. Applications: Commonly used in voltage regulation, adjustable power supplies, and switching power supplies. Also useful in precision current limiting.
7. Package Options: Available in different packages, such as TO-92, SOT-23, and SOIC-8, to accommodate various design requirements.
These features make the TL431CDT a versatile component widely used in consumer electronics, industrial applications, and more.

The TL431CDT is typically available in a TO-252 package, which is a surface-mount package also known as DPAK. This package type is designed for higher power applications where efficient thermal dissipation is needed.

The TL431CDT is a three-terminal adjustable precision shunt regulator. It is widely used in various applications for voltage reference and regulation. The device can be adjusted to output a precise voltage from 2.5V to 36V with a reference voltage of 2.5V.
Pin Count and Functions:
1. Cathode (Pin 1): This pin is connected to the negative side of the output voltage and serves as the primary terminal for the regulator's operation. It is the point from which the regulated voltage is developed.
2. Anode (Pin 2): This pin is connected to the ground or the lower voltage reference point of the circuit. It is the return path for the current.
3. Reference (Pin 3): This pin is the input for the reference voltage. It is used to set the output voltage by connecting it to a resistor divider network that adjusts the device’s output.
These pins enable the TL431CDT to maintain a stable voltage level, making it suitable for use in power supply circuits, adjustable voltage reference circuits, and other applications requiring a stable voltage reference.

The TL431CDT is a product manufactured by STMicroelectronics. STMicroelectronics is a global semiconductor company that designs, develops, manufactures, and markets a broad range of semiconductor products for various electronic applications. It is known for producing integrated circuits, discrete and power devices, sensors, and microcontrollers. STMicroelectronics serves a wide array of industries, including automotive, industrial, personal electronics, and communications equipment. The company is headquartered in Geneva, Switzerland, and is one of the largest semiconductor companies in the world.

The TL431CDT is a versatile shunt voltage reference used in various applications, including voltage regulation, power supply design, and precision current limiting. It is commonly used in switching power supplies, battery chargers, and voltage monitoring systems. Additionally, it can serve in adjustable voltage references and precision regulators in industrial and consumer electronics, offering stable and accurate voltage over different operating conditions.

The TL431CDT is a voltage reference chip. Equivalent products include the LM431, TL431A, TL431B, KA431, and NCP431. These chips are functionally similar and can often be used interchangeably in circuits, although it's important to check specific parameters like voltage tolerance and package type to ensure compatibility with your application.