MP2207DN-LF

MP2207DN-LF Application Field and Working Principle

As one of the products under the DC DC switching regulator category of power management ICs (PMICs), the MP2207DN-LF is an integrated 0.65V to 5.5V, 2A monolithic synchronous step-down switching regulator, part of the MP22 series of regulators. It provides a complete power solution package of Voltage Regulator (VR), Dynamic Voltage Scaling (DVS) and load switch in a single chip.

Application Field

The MP2207DN-LF has the ideal application field of powering the I/Os of mobile electronics, and therefore can be used for a wide range of applications, such as smartphones, tablets, calculators and more. Its light, compact design is suitable for any space and helps reduce power dissipation in the application. Moreover, its over-current protection, overtemperature protection, under-voltage protection, over-voltage protection, output short circuit protection and bus short circuit protection helps ensure the safety of the application.

Working Principle

The MP2207DN-LF adopts a switching frequency of 1MHz and offers a maximum load current of 2A. It provides automatic power saving mode with less than 2μA quiescent current without a load, significantly reducing the overall power consumption of the application. Its dual mode operational support offers the user a variety of choices and allows excellent load regulation without any external compensation.

The MP2207DN-LF comes with an advanced PMOS load switch, which relieves the load switch from thermal and noise concern and enables the user to control the power sequencing. Its advanced self-frequency hopping technique is used to avoid EMI noise, and its input under-voltage protection ensures that lower operating voltage does not lead to any damage, so the MP2207DN-LF can be used with a wide range of voltage inputs.

Moreover, the MP2207DN-LF adopts a low dropout voltage architecture with excellent transient response and low output voltage noise. In addition, its high/low side current-sense amplifier provides fast current loop compensation for output capacitor configuration. Its excellent controller linearity also ensures high output voltage accuracy.

Conclusion

Overall, the MP2207DN-LF is a comprehensive high power density, low input voltage, and high efficiency synchronous buck converter. Its wide ranges of application fields, high-performance, and various protection measures make it an ideal choice for powering the I/Os of mobile electronics.