PQ1X251M2ZPH

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The PQ1X251M2ZPH is one of the latest series of voltage regulators linear from Power Integrations. It is designed for applications in a wide range of product types and sizes, from Industrial to Automotive. With its high-bandwidth capabilities, superior noise-rejection, low power consumption and low voltage drop-out, it can save up to 50% of the energy required by a single bandgap voltage regulator.

The PQ1X251M2ZPH consists of two main components – the voltage regulating circuit and the power MOSFET. The voltage regulation circuit controls the output voltage, with compensation and over-current protection circuits which make sure the regulator operates within safe parameters. The power MOSFET is responsible for handling the current flow, in order to achieve the desired output voltage. The MOSFET is capable of efficiently driving up to 15A of continuous current without additional cooling.

The PQ1X251M2ZPH operates in two modes – linear and pulse-width modulation (PWM). In linear mode, the voltage across the load is regulated as the input voltage varies between 4.5V and 42V. The output voltage is generally limited to a maximum of 3.3V, but can be increased to 4.2V by adding a potential divider. The PQ1X251M2ZPH can also switch from linear to PWM mode, and in this mode it can regulate output voltages from 0V up to 8V with a minimum step size of 0.25V.

The PQ1X251M2ZPH also offers a wide range of protection features, such as over-voltage, over-current and reverse current protection, as well as EMI and safety agency certifications. It also provides a temperature range of -40°C to +125°C.

Overall, the PQ1X251M2ZPH is a great choice for applications in a wide range of product types and sizes, and its versatile line-up of features make it an excellent solution for power management. With its high efficiency and reliable performance, it is sure to meet the needs of many different applications.

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