MPQ8616GL-12-Z

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The MPQ8616GL-12-Z belongs to a category of power supply solutions known as DC-DC switching regulators. These low-voltage devices, along with their superior efficiency, make them the perfect choice for a wide range of applications when a stable voltage supply is required. The MPQ8616GL-12-Z is a compact, high-efficiency synchronous step-down switching regulator that is capable of providing up to 1A of stable current with low voltage drop.

The MPQ8616GL-12-Z can operate in a wide range of voltages, making it suitable for either USB or wall-powered applications. Moreover, its adjustable switching frequency, allowing up to 3.2MHz, ensures that the device can be tailored to fit any specific application needs. Additionally, the device is equipped with overcurrent protection, thermal shutdown, and overvoltage protection, making it a safe and reliable choice for voltage regulation.

The MPQ8616GL-12-Z also features high-efficiency and low quiescent current. The adjustable output voltage range, combined with high-efficiency, makes it an ideal choice for applications such as tablets and laptops, digital audio amplifiers, BLDC motor controllers and buck converters. Additionally, the device can also be used in 12V battery-powered systems.

The working principle of the MPQ8616GL-12-Z is relatively simple. The device consists of two transistors and a rectifier diode, connected in a buck-regulator configuration. An input voltage is supplied to the P-channel transistor (Q1) and the drain is connected to the output voltage. The output voltage is then rectified by the diode and filtered using an external capacitor. The output voltage is controlled by the gate voltage of the P-channel transistor, which is in turn regulated by the control logic. This logic provides the control signal for the N-channel transistor, which is used to switch between the low and high states.

The major benefit of the MPQ8616GL-12-Z is that the switching frequency is adjustable, allowing designers to customize the device to match the application requirements. Furthermore, because the device operates at a relatively low peak current, the power dissipation is also minimized. All in all, the MPQ8616GL-12-Z is a reliable, high-efficiency switching regulator that is suitable for a wide range of low-voltage applications.

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