PQ1M255M2SPQ

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PQ1M255M2SPQ is a linear voltage regulator integrated circuit. It belongs to the family of voltage regulators within the Power Management ICs (PMIC). There are a number of applications for which the PQ1M255M2SPQ is the ideal choice. This article looks at the application field and working principle of the PQ1M255M2SPQ device, to help understand its purpose and capabilities.

Application Field

The PQ1M255M2SPQ voltage regulator is an integrated circuit ideal for use in systems ranging from low- current (1-2A) to high-current (up to 18A) designs. It is designed for a wide range of applications including but not limited to mobile, consumer, computing and telecommunication products.

The device is primarily used for the development of voltage regulators for supplying fixed loads with power. It is also suitable for applications dealing with step up and step down DC to DC converter designs.

Working Principle

The working principle of the PQ1M255M2SPQ involves a comparator, an error-amplifier, hysteresis logic, resistance and capacitance capacitors. The comparator compares the regulated output voltage with a voltage reference that is set by an on-board resistor. Depending on the feedback voltage, a digital hysteresis control is triggered. The feedback voltage is then either adjustable or fixed depending on the design.

The external resistors are critical for regulating the voltage output. If the output voltage is higher than expected, a lower resistance value is required. Likewise, if the output voltage is lower than expected, a higher resistance value is required. The voltage reference is provided by the on-board resistor and helps set the output voltage level.

In addition, the hysteresis logic also affects the output voltage. It ensures that slight variations in the input voltage do not affect the output voltage. This stabilizes the output voltage and helps ensure that the output voltage remains unchanged during normal operating conditions.

The input capacitors and output capacitors are also key components. The input capacitors helps filter the power to the voltage regulator allowing it to run more effectively. The output capacitor helps storing the voltage on the output nodes, ensuring that the voltage remains at the originally set levels.

Conclusion

The PQ1M255M2SPQ voltage regulator is a linear voltage regulator integrated circuit ideal for use in a number of applications. It is primarily used for the development of voltage regulators for supplying fixed-loads with power. It is suitable for a wide range of applications including but not limited to mobile, consumer, computing and telecommunication products. The working principle of the PQ1M255M2SPQ involves a comparator, an error-amplifier, hysteresis logic, resistance and capacitance capacitors. The external resistors, input capacitors and output capacitors are all key components in the successful operation of this device.

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