TC42X-2-302E

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Trimmer Potentiometers are a type of adjustable resistor primarily used to adjust the output voltage or current of a circuit. They are also used to set the circuit\'s impedance or resistance, and calibrate various circuits and devices such as temperature controllers and audio amplifiers. The TC42X-2-302E is a unique trimmer potentiometer from Texas Instruments that is designed for a range of applications and is offered with a variety of product configurations.

This particular trimmer potentiometer has an integrated linear rectifier (ILR) circuit that can be used as either a voltage regulator or a current regulator, depending on the resistive load characteristics of the external load. It has an on-chip transconductance amplifier (Current-Mode Amp) that provides negative feedback to accurately regulate its output voltage or current. This makes it ideal for use in circuits where precise voltage or current regulation is required.

The TC42X-2-302E also has an integrated over-current protection (OCP) circuit that will shut off the output current if it exceeds a preset limit. This safety feature helps to protect both the trimmer potentiometer and the application circuit from excessive current. Additionally, the TC42X-2-302E has an integrated three-point temperature compensation circuit that helps to improve the stability of the device over varying temperature conditions.

The TC42X-2-302E is available in a wide range of packages, including through-hole versions, surface mount versions, and multi-turn versions. The standard resistance range for these trimmer potentiometers is between 10 Ohms and 10k Ohms, and the standard tolerances range from plus or minus 5% to plus or minus 20%. The standard wiper types available are "a" type, "b" type, and "c" type wipers.

The TC42X-2-302E works by applying a voltage to the resistive element in order to adjust the output voltage or current. The voltage is applied to two terminals, the wiper terminal and the common terminal. The voltage drop across these two terminals depends on the setting of the wiper, which is adjusted by a mechanical means. By varying the wiper position, the output voltage or current of the trimmer potentiometer can be adjusted.

The TC42X-2-302E is used in a wide variety of applications, including DC-DC converters, voltage demand circuits, electronic amplifiers, audio systems, and control circuits. It is an ideal device for providing precise adjustments to any type of circuit. Its versatile design and reliable performance make it a popular choice among design engineers and OEM manufacturers.

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