PQ05RR12

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PQ05RR12 is a series of high-performance linear voltage regulators that are designed to deliver a stable output voltage within a pre-defined tolerance range. This type of voltage regulator uses an external pass device to regulate the output voltage, whereby the pass device acts as a series voltage regulator. It helps power oscillation and current limit circuit to limit the current during peak load.

The PQ05RR12 linear voltage regulator has various application fields. It is commonly used in applications like cellular phones, smoke alarms, battery chargers, and consumer electronics. It can also be used in various automotive systems such as brake control, headlight control, emergency control systems, and even in HVAC systems.

The working principle of the linear voltage regulator PQ05RR12 is relatively simple. The external pass device usually consists of an NPN or a PNP transistor connected in a series configuration with the main voltage regulator device. This transistor limits the output voltage based on the voltage of the voltage reference input. When the voltage reference exceeds the set maximum voltage, the transistor will turn on and pull the output voltage back down to the reference voltage. When the voltage reference drops, the transistor turns off and the output voltage increases again.

The PQ05RR12 is designed to have a good dynamic response rate and low noise. It also features short-circuit protection and reverse current protection. Additionally, it has a wide line regulation range and low temperature drift, making it suitable for a wide range of applications. Finally, the regulator is able to sustain sudden load changes and provide an accurate voltage supply to the load.

In conclusion, the PQ05RR12 linear voltage regulator is a high-performance power management device with a variety of application fields. Its ease of use and high reliability makes it an ideal choice for many purposes. Its wide line regulation range and low temperature drift, combined with its excellent dynamic response rate and low noise will ensure that the PQ05RR12 meets the needs of any system.

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