MP2115DQ-LF-P

PMIC Voltage Regulators often integrate several voltage regulation functions such as buck, boost, linear regulators, and DC DC Switching Regulators. The MP2115DQ-LF-P is a DC DC Switching Regulator specifically designed by Monolithic Power Systems (MPS) for low voltage, high current applications. It offers a wide range of features such as a small footprint, adjustable output voltage, overcurrent protection, and input voltage tolerance adjustability. The device is ideal for small form Factor applications such as portable electronics, telecommunications, networking, automotive, and industrial.

Application Field

The MP2115DQ-LF-P is designed to be an efficient, low-voltage power supply solution for high current applications. It can provide up to 8.4A of continuous output current for loads that require low voltage power. Additionally, it offers an adjustable output voltage range from 0.9V to 5.5V. This makes the MP2115DQ-LF-P suitable for a wide range of applications such as battery powered systems, portable electronics, telecommunications, automotive, and industrial.

Typical applications of the MP2115DQ-LF-P include powering CPUs, GPUs, memories, I/O supplies, and other digital logic. It is also ideal for powering displays, sensors, and motor control. The device can provide the current and voltage for applications needing up to 500kHz switching frequency. It supports battery voltages from 2.3V to 5.5V and its wide input voltage tolerance makes it well suited for automotive applications.

Working Principle

The MP2115DQ-LF-P is a DC DC Switching Regulator based on a fixed frequency, current mode architecture. The device utilizes synchronous rectification to achieve a high level of efficiency. It is equipped with an internal PWM controller and two power MOSFETs to regulate the output voltage. The device switches each of the MOSFETs at a frequency of 500kHz to reduce number of external components. It also offers programmable soft-start and over current protection for short-circuiting water protection.

The MP2115DQ-LF-P provides a low RDS(ON) of 0.85mΩ for the power MOSFETs, which reduces power dissipation. The device also has an adjustable output voltage range, current limit and allows for up to 8.4A of continuous output current. Additionally, the device is designed to be highly efficient with a typical conversion efficiency topping out at 94%.

Conclusion

The MP2115DQ-LF-P is an ideal solution for applications demanding high current and low voltage. It combines high efficiency, small size, and adjustable output voltage in a single package. The MP2115DQ-LF-P is well suited for applications such as powering CPUs, GPUs, memories, I/O supplies, and other digital logic, as well as powering displays, sensors, and motor control.