MPQ28261DL-LF-Z

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DC-DC switching regulators are an important type of power management integrated circuits (PMIC) that provide a steady and reliable output voltage at a given current, even when input voltage or load level varies. MPQ28261DL-LF-Z is a new switching regulator designed by Mitsubishi that comes with a wide array of features making it idea for different types of applications in comparison to the standard voltage regulator. This article will provide a comprehensive overview of MPQ28261DL-LF-Z application field and working principle.

Applications

The MPQ28261DL-LF-Z DC-DC switching regulator offers high efficiency and low output voltage ripple. It consumes very low standby power and features wide input voltage range. This device is ideal application for portable devices such as notebook computers, digital cameras, mobile phones and other portable electronics. It offers excellent line / load regulation and high current capability.

In addition, the MPQ28261DL-LF-Z is the ideal choice for a wide range of applications. It can be used in automotive electronics, power management systems, and switching power semiconductor controllers. It has a built-in protection circuit that ensures full protection even when there is a short. The wide input voltage range and current capability makes it very versatile and suitable for various types of applications. It can also be used as a power supply for high power FPGAs, DACs and ADCs.

Working Principle

The MPQ28261DL-LF-Z is a buck regulator that is able to convert an input voltage (VIN) to a stable and continuous output voltage (VOUT). It is able to do this by using PWM (Pulse Width Modulation) techniques. The device works by varying the duty cycle of the PWM control signal, from 0% to 100%. This duty cycle is regulated by the current passing through the control transistor. When the current is low, the duty cycle will be low and vice-versa. The device has a built-in protection circuit that ensures full protection even when there is a short or overload.

The MPQ28261DL-LF-Z is a synchronous buck regulator, meaning that it has two separate, phase shifted outputs. These two phase shifted outputs are often used to reduce the output voltage ripple, as they ensure an even voltage output. Additionally, the two outputs can help to boost the efficiency of the device. The device has a continuous mode control, meaning that it can be adjusted to control the output voltage at a fixed or adjustable level.

The MPQ28261DL-LF-Z also has an adjustable soft start feature which can help to reduce input inrush current during initial power up. It also has an adjustable output current limit feature, enabling it to operate even when the input current is too high. Furthermore, the device can operate over a wide range of operating temperatures, ranging from -40°C to +85°C.

Conclusion

In conclusion, the MPQ28261DL-LF-Z is a highly efficient, low noise buck switching regulator. It can be used in a wide range of applications and comes with a range of features and protections. It has a continuous mode control and adjustable soft start, as well as adjustable output current limit features. It has a wide input voltage range and current capability, making it ideal for use in applications such as automotive electronics, power management systems and switching power semiconductor controllers.

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