TL431CDBZT

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TL431CDBZT, or simply TL431, is a three-terminal adjustable shunt regulator designed for precision voltage regulation or light source control. It is widely used in a variety of PMIC (power management IC) applications, such as power supplies, motor drives, and interface circuits. The TL431CDBZT is an adjustable voltage reference with an operating voltage range of 1.24V to 36V, a typical output accurate to within +/-2%.

The TL431CDBZT is a three-terminal, adjustable voltage reference with an integrated precision-regulation circuit. The output voltage is adjusted by a pair of external resistors. The output regulator is designed for applications requiring high performance, fast response, and low supply current. It is configured as a voltage reference with an integrated op amp, and can maintain a constant output voltage with low input-to-output impedance over a wide range of load and temperature conditions.

The TL431CDBZT is a voltage-controller device, which controls output voltage by providing and tracking a reference voltage relative to its input. The integrated error amplifier allows for a precise regulation of the output voltage, in combination with external resistors, over a wide range of load and temperature conditions. The device also features an output short-circuit protection, which prevents the output voltage from being continuously short-circuited. The TL431CDBZT is typically used in power converters and switching power supply applications where voltage control and precision current sensing are needed.

The working principle of the TL431CDBZT is based on the voltage division principle. It consists of an internal reference voltage source, an external voltage divider, and an error amplifier. The internal reference voltage is divided by the external resistors to generate a precise reference voltage. The error amplifier compares this reference voltage to the voltage at its input, and compensates any deviations between the two. By adjusting the external resistors, the output voltage can thus be finely adjusted.

The TL431CDBZT is an excellent voltage reference for power management ICs, which require precise and robust voltage regulation. Its versatile design and wide operating voltage range make it suitable for a variety of applications, including power regulation, motor drives, interface circuits and automotive systems. The device is also able to withstand a wide range of temperatures, from -40ºC to +125ºC, a feature that makes it particularly suited for use in industrial, automotive, and aerospace environments.

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