MP8668DL-LF-P

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MP8668DL-LF-P Application Field and Working Principle

MP8668DL-LF-P is a DC DC switching controllers, which is a widely used power management integrated circuit (PMIC) for voltage regulation that helps in providing stability and efficiency of the system power. The MP8668DL-LF-P is widely used in a variety of applications such as cellular phones, automotive, consumer electronics, and industrial applications. It is also useful for mobile internet applications.

Applications

The MP8668DL-LF-P is a very versatile DC-DC switching controller that is used in a variety of applications, including but not limited to:

• Wireless communication systems
• PC peripherals
• Automotive systems
• Communication base station
• Consumer electronics
• Industrial products
• Other communication systems

The versatility of the MP8668DL-LF-P makes it a very useful and flexible product for various industry applications.

Working Principle

The MP8668DL-LF-P is an integrated circuit (IC) for DC-DC power conversion with an input and output range of 1.5V to 7V. The IC controls the switching of an external power MOSFET to regulate the voltage on the output side and provide it in an adjustable and stable range. The maximum output current of the IC is limited to 3A.

The MP8668DL-LF-P has multiple input and output voltage ranges, with a low power standby mode for power-saving performance. It also has programmable slew rate control and adjustable dead time control for pre-determined operation. The IC has three external pins for selecting different ramps, voltage regulation, output voltage, and slew mode.

The on-chip clock circuit provides PWM frequency and switching time control for the device, with a max frequency of 800kHz. Additionally, the device provides burst mode operation for operation under light system load. Furthermore, the IC has an on-chip voltage detector for under voltage and over voltage protection that can latch off the device.

The MP8668DL-LF-P can be used with an external N-channel MOSFET through which the output current and voltage can be regulated. The IC pin configuration allows easy setup and testing of the device. The MP8668DL-LF-P has an adjustable shutdown voltage pin, which can be used to decrease the total current consumption during operation.

Conclusion

The MP8668DL-LF-P is a very versatile DC DC switching controller with a wide range of applications such as wireless communication systems, automotive systems, communication base stations, and other communication systems. The device has a range of adjustable inputs and outputs from 1.5V to 7V, adjustable slew time control and adjustable dead time control for predetermined operation. Additionally, the MP8668DL-LF-P has multiple protection features such as an adjustable shutdown voltage pin to decrease total current consumption. The device can be used with an external N-channel MOSFET through which the output current and voltage can be regulated, making it an ideal choice for a wide range of applications.

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