TLV431CDBVTE4

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The TLV431CDBVTE4 is a series of integrated, programmable shunt, voltage reference diodes, produced in tiny micro-SMD packages, designed for use in many advanced, application-specific integrated circuits (ASICs), and other integrated circuits. It is small, accurate, and offers superb dynamic accuracy across a wide range of temperatures. The device can be used in many application fields, including power supplies, microprocessor cores, switching power supplies, portable power devices, motor control, automotive, consumer electronics, and communication systems.

The TLV431CDBVTE4 consists of a precision zener diode, a high impedance MOSFET, and a low impedance MOSFET. The zener diode is a low dynamic impedance device with a dynamic voltage reference parameter that varies by a maximum 0.05 V. It provides a high degree of accuracy and stability over temperature, current, and time. The high and low impedance MOSFETs provide low noise switching capabilities and the ability to drive and manage on-chip transistor gate circuits. This device offers a quarter-micron process technology with features such as a low-voltage startup voltage, low power consumption, fast line transient response, and low temperature coefficient.

The TLV431CDBVTE4 working principle is quite simple. When a voltage is applied to the device, the internal zener diode pulls the voltage up to its programmed level. The input voltage is used to control a pair of MOSFETs, which turn on and off in sequence, providing a regulated reference voltage output. The output voltage remains stable, despite changes in input voltage, load, or environmental conditions. The device also has a temperature coefficient that is adjustable between 10 ppm/°C and 40 ppm/°C, and a current monitor option that provides a signal when the current exceeds a programmed value.

The TLV431CDBVTE4 is a popular voltage reference solution due to its small size, low power consumption, precise voltage regulation, and low cost. It is appropriate for a myriad of applications where precise voltage control is necessary. It is typically used in microprocessor-based systems, buck converters, switch-mode power supplies, dc-dc converters, battery-management systems, product evaluation equipment, and other applications.

The TLV431CDBVTE4 device offers excellent performance and reliability, and is a good fit for many product designs that require precision voltage control. It boasts a number of features that make it an ideal choice for many applications, such as low power consumption, low temperature coefficients, fast line transient response, and high immunity to interference.

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