TLV431CLPE3

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The TLV431CLPE3 is a three-terminal adjustable shunt regulator that serves as a voltage reference. It has a wide input voltage range from 1.23V to 38V and provides output current up to 7.5mA. The device is constructed using bipolar monolithic technology and features low temperature coefficient, low quiescent current and wide output voltage adjustment range. It is available in SO-8, 8-pin SOIC and 8-pin DIP packages.

TLV431CLPE3 is widely used in many applications, such as power supplies, battery-powered systems, and over/under voltage monitoring systems, as well as in a variety of voltage control and comparator control loops. It is ideal for applications requiring precision control and fault protection. The device can also be used as an active current source, voltage follower, and a voltage amplifier.

The TLV431CLPE3 operates according to a simple principle, which is depicted in the block diagram in the figure below. The device is composed of a voltage reference, an error amplifier, and two output current sources. The reference voltage is generated by a Zener diode, and the error amplifier amplifies the difference between the reference voltage and the input voltage. The output current sources convert the amplified voltage difference to corresponding currents. As a result, the input voltage is maintained at the reference value.

The TLV431CLPE3 has many advantages, such as a low temperature coefficient and a wide input voltage range. Additionally, the device’s output current is adjustable, which allows it to be used in a variety of applications. The device also features low quiescent current, which helps to extend battery life and reduce power consumption.

The TLV431CLPE3 is an ideal solution for a wide range of voltage reference applications. It can be used to provide precision voltage regulation and over/under voltage protection, as well as to monitor power supplies, adjust output currents, and provide active current source and voltage amplification. The device is available in three different packages and is a cost-effective choice for voltage reference applications.

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