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PMIC - Voltage Regulators - Linear

PQ3RF33 is a low-dropout, linear voltage regulator manufactured by ON Semiconductor. It is an ideal voltage regulator to be used in applications such as low voltage, low power consumer electronics, tablets, smart phones, and other portable devices requiring a stable output voltage while maintaining low power losses. This article will discuss the application fields and working principles of PQ3RF33.

Application Field of PQ3RF33

PQ3RF33 is designed for use in consumer electronics, tablets, smartphones and other portable devices, such as MP3 players, cell phones, tablets, and other low voltage, low power consumer applications. It is a low dropout linear voltage regulator that can provide a steady and reliable output voltage for your system. It is designed to be used in applications with an input voltage range from 2.7V to 5.75V, and with a maximum output current of 500mA.

In addition to being used in consumer electronics applications, PQ3RF33 can be used in automotive, industrial, medical and other low voltage, low power applications where a stable output voltage is required while maintaining low power losses. It is ideal for use in 12V to 24V automotive applications, such as door locks, power windows, windshield wipers and other related accessories.

Working Principle of PQ3RF33

PQ3RF33 is a low-dropout, linear voltage regulator. This type of voltage regulator maintains a constant output voltage by dissipating excess input energy as heat. It works by regulating the flow of current from the input to the output according to the voltage difference between the two. It utilizes a power transistor to control the current flow between the input and the output, and an onboard circuitry to ensure that the output voltage does not exceed the set output voltage.

The voltage regulator is designed to provide an output voltage between 0.8V and 5V with a voltage regulating range of ±2.5% over temperature. It provides a low output noise, fast transient response, low quiescent current, and low output ripple. It can also support an output current of up to 500mA with a minimum load current of 10μA.

Conclusion

PQ3RF33 is an ideal voltage regulator to be used in consumer electronics, automotive, industrial and medical applications requiring a stable output voltage while maintaining low power losses. It is a low-dropout, linear voltage regulator that utilizes a power transistor to control the flow of current between the input and output, and an onboard circuitry to ensure that the output voltage does not exceed the set output voltage. With its low output ripple, fast transient response, low quiescent current and low output noise, PQ3RF33 is the perfect solution for any low voltage, low power application requiring a stable output voltage.

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