PQ1R33

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PMIC (Power Management IC) voltage regulators are integrated circuits used to provide a regulated output voltage that is different from the input voltage. Linear regulators are the most basic type of voltage regulator and are usually used in single-supply, low-noise applications. The LM7805 PQ1R33 regulator is one such linear regulator that has gained popularity due to its ease of use and cost effectiveness. This article will discuss the application field and working principle of the LM7805 PQ1R33 regulator.The LM7805 PQ1R33 is a 3-terminal regulator that offers a fixed output voltage of +5V. It features short circuit current limitation, overload protection, and thermal shutdown protection. It can be used in a variety of applications, including power supplies for microcontrollers, audio amplifiers, and radio transceivers.The LM7805 PQ1R33 regulator is a voltage-regulating IC (integrated circuit) that is based on the voltage-regulating principle known as the “Series Regulator”. This principle is based on a voltage-controlled series resistance, which provides a constant output voltage regardless of variations in the input voltage or load current.In the case of the LM7805 PQ1R33, the series resistance is provided by an NPN transistor, which is connected in series to the input voltage. The transistor serves as a variable resistor, allowing only a certain amount of current to flow through the device, thus maintaining a constant output voltage.The LM7805 PQ1R33 also features short circuit and thermal shut down protection. In the event of an overload or high temperatures, the device will shut down, thus protecting the device from damage.In addition to these features, the LM7805 PQ1R33 is an extremely cost-effective voltage regulator. It is available in small-size package and requires very little external components for operation, thus significantly reducing production and material costs.Overall, the LM7805 PQ1R33 is an ideal linear regulator for applications that require a +5V fixed output voltage, and it offers high levels of protection as well as cost-effectiveness.

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