PQ1X421M2ZPH

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The PQ1X421M2ZPH is a linear voltage regulator specifically designed for power management in consumer as well as industrial electronics. It is a non-synchronous buck regulator with integrated MOSFET based power stages and has an input voltage of 8V to 35V and an output voltage of 0.8V to 5.5V. The PQ1X421M2ZPH is capable of delivering a rated output current of up to 3A and provides an ultra-low output ripple of less than 5mV. As a result, it provides excellent load and line regulation. Additionally, it has a wide operating temperature range of -40°C to +125°C.

The PQ1X421M2ZPH offers various protection features such as thermal shut-down, current limit and over voltage protection. It also has a wide range of enable functions including manual and logic control, soft start and frequency adjustment. All these features make the PQ1X421M2ZPH ideal for use in a wide range of applications such as LCD panel power supply, Switch Mode Power Supplies and Lighting. In addition, the PQ1X421M2ZPH is designed for high efficiency, low power loss and excellent thermal performance.

The working principle of the PQ1X421M2ZPH is simple. It is based on an inductor coupled buck converter operating in PWM (Pulse Width Modulation) mode. It takes an input voltage, converts it to a regulated output voltage using an integrated MOSFET based power stage, and then uses a loop control to maintain the output voltage. The PQ1X421M2ZPH is also capable of automatically adjusting its output voltage based on load current and line voltage. This allows it to deliver a higher output current when required. In addition, the PQ1X421M2ZPH can be adjusted to operate at a fixed frequency or automatically adjust the frequency depending on the load current.

The PQ1X421M2ZPH is an ideal solution for a wide range of consumers and industrial electronics applications, thanks to its integrated features and wide input voltage range. It provides excellent load and line regulation and requires no additional external components. With its built-in protection features, wide operating temperature range and low power loss, it is the perfect choice for power management applications.

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