TL432QDBVRG4

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A voltage reference is a reference in an electronic circuitry that produces a fixed voltage regardless of changes in the current supplied to it or the surrounding environment. The TL432QDBVRG4 is a precision low-temperature-coefficient programmable reference designed to operate over an extended temperature range of –40 to +85°C. It has an external voltage-setting resistor, which sets the voltage output within a range of 1.24 V to 37 V. Despite its power limitations, the TL432QDBVRG4 is found in some applications such as in 3D images or in photo applications wherein a constant power supply is required for low-voltage designs.

The TL432QDBVRG4 is a Voltage Reference that provides a voltage reference from 2.5 V to 39 V with an accuracy of +-2%.It also offers excellent long-term stability and low temperature coefficient as well as adiabatic temperature/voltage conversion for high accuracy voltage translations. The circuit topology consists of a junction field-effect transistor (JFET)-based amplifier with a matched internal bandgap reference. The feedback is generated by a 0.6 V reference and an adjustable voltage divider consisting of a fixed 10:1 resistor divider.

The TL432QDBVRG4 provides temperature and process compensation in the form of an input current temperature coefficient and a programming resistor. This resistor sets the device output voltage through a 1.25 V reference and a 6 bit linearity cell, which is capable of translating the output voltage into any value between 1.24 V and 37 V. In addition, the device features a number of programmable features, such as a heat sink bias, standby mode and over-temperature protection.

The TL432QDBVRG4 can be used in a wide range of applications which require accurate voltage regulation. It can be used in 3D imaging equipment, medical instruments, photo applications and embedded systems. Typical applications of the TL432QDBVRG4 include power supplies, battery-powered designs, LED drivers, instrumentation and audio designs. It is also suitable for automotive, communications and consumer product applications.

The TL432QDBVRG4 is a precision programmable device designed to operate over an extended temperature range of -40 to +85°C. Its output voltage is externally adjustable from 1.24 V to 37 V with an accuracy of +-2%. The main working principle of the TL432QDBVRG4 lies in its junction field-effect transistor (JFET)-based amplifier with a matched internal bandgap reference. This reference provides temperature and process compensation in the form of an input current temperature coefficient and a programming resistor. This resistor sets the device output voltage through a 1.25 V reference and a 6 bit linearity cell. The device also features a number of programmable features such as a heat sink bias, standby mode and over-temperature protection.

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