TCR2LN30,LF Integrated Circuits (ICs)

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The TCR2LN30 series is a positive linear integrated circuit regulator specifically designed to provide a stable DC voltage output, built on a monolithic integrated circuit. It is typically used in PMIC (Power management integrated circuit) applications, as a voltage regulator, particularly for Linear voltage regulation.

The TCR2LN30 is a three-terminal, adjustable or fixed, shunt regulator capable of supplying an output current of up to 1.5A. It has a low dropout voltage (<1.2V) and is capable of providing maximum output voltage voltage adjustments from 1.2V to up to 18V. It features a wide range of features, such as thermal overload protection, over-voltage protection, current limiting, and so on.

The TCR2LN30 is ideal for use in regulated power supplies, LED LED displays, set-top boxes, PC systems, LCD displays, and other related applications that require accurate DC voltage regulation and reliability. It can be used with a 3-pin, 4-pin, or 6-pin voltage regulator packages, and is fully RoHS compliant.

The working principle of the TCR2LN30 relies on the comparator, which constantly monitors the actual output voltage and compares it to an internal reference voltage. Based on this comparison, it varies the amount of current flowing through the control element (transistor), which in turn changes the output voltage. If the output voltage is higher than the set reference voltage, the transistor reduces the current, resulting in a decrease in the output voltage. Conversely, if the output voltage is too low, the transistor increases the current, resulting in an increase in the output voltage. In this way, the circuitry achieves a constant output voltage.

It is worth noting that the TCR2LN30 also features a temperature compensation system, which allows it to adjust the internal reference voltage based on the ambient temperature, helping to improve performance over the full temperature range of -40oC to +125oC. In addition, this device also has a low output noise level and good line and load transient response, making it very suitable for demanding applications such as automotive, portable and home audio/video applications.

Overall, the TCR2LN30 is an efficient and reliable regulator, designed to meet the most demanding power supply requirements. It is highly suitable for applications requiring precise voltage regulation, good noise performance, low power dissipation, wide temperature ranges and overload protection. With its simple, three-terminal operation, the TCR2LN30 makes voltage regulation easy and hassle-free.

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