TLV431IDBVRG4

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The TLV431IDBVRG4 is a 3-terminal low-power shunt regulator and is part of the PMIC - Voltage Reference family. It is typically used to provide precision reference voltages for high-performance, switched-mode power supplies in space and temperature constrained applications, such as notebooks, netbooks, tablets and other portable electronic systems. It is also useful in ADC, DAC and other high-precision analog applications.

The device consists of a precision shunt regulator with a bandgap-based reference intended for use as a voltage comparator, or as a voltage reference in applications such as linear and switching mode power supplies, or for setting analog or digital bias levels. It is available as a voltage divider and as fixed output devices with a 3.2V to 36V voltage range, and managed on-chip trimming of initial accuracy, temperature coefficient and line regulation. The output is factory trimmed to maximize initial accuracy and line regulation, while the dynamic output impedance is low enough to meet the dynamic specifications typical of medical and industrial applications.

The TLV431IDBVRG4 offers typically a 3% initial accuracy at room temperature and a 0.5% temperature coefficient over the full operating temperature range. The output voltages are stable over time, line and load regulation, and the device exhibits low drift with temperature and line. Additional features include low power consumption, low noise and wide supply ranges. All of these features, combined with its wide application use, make the TLV431IDBVRG4 an ideal choice for a variety of applications.

The TLV431IDBVRG4’s working principle is based on circuitry that utilizes the intrinsic properties of transistors to ensure stability and accuracy. The device’s output voltage is determined and regulated by a current source, and the combination of resistive dividers and precision references control the output voltage and adjust the device’s parameters. The voltage reference uses the bandgap reference to adjust and stabilize the output voltage under varying load and temperature conditions. The trimmed device makes the TLV431IDBVRG4 easy to operate and requires minimal external circuitry. The device also offers high output voltage accuracy and low quiescent current.

The TLV431IDBVRG4 is a reliable and versatile solution for precision reference applications. It is ideal for space and temperature-constrained applications such as notebooks, netbooks, tablets and other portable electronic systems. It is also suitable for ADC, DAC and other high-precision applications. The device is a cost-effective solution for these types of applications, providing low power consumption, low noise, wide supply ranges, and stable performance over time and temperature.

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