MP2205DL-LF-Z

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The MP2205DL-LF-Z is a DC/DC buck converter. This type of switching regulator changes an input voltage to a different output voltage. This component offers a flexible solution to enable multiple voltage rails on a board. The device operates with inputs from 2V to 5.5V and has 180mV precision feedback voltage. It is capable of up to 5.5A output current at 3A for the VIN2 4.5V. This component is designed to have low quiescent current operation, with an external shutdown and an EN pin, allowing designers to have a low power and low ripple solution.

The MP2205DL-LF-Z also provides a variety of protections to ensure the longevity of the component. These protections include under voltage lockout, over temperature protection and over current protection. The device also provides a complete power management solution for system developers who need to control multiple outputs with a single control line. It utilizes a current mode architecture with synchronous rectification, delivering high efficiency and fast transient response with low output ripple, while allowing flexibility and superior performance.

The MP2205DL-LF-Z is ideally suited for portable devices, such as mobile phones, digital cameras, portable media players, medical equipment and GPS units. It is also suitable for driving high speed processors and memory, such as processors with Intel’s® Enhanced Speedstep® technology, and is suitable for use in industrial, automotive and communication applications. It can be used in car infotainment, automotive powertrain and solar PV power supply applications.

The MP2205DL-LF-Z adopts a working principle of pulse width modulation (PWM) and a synchronous rectifier which is pre-programmed into the device. This device provides a fixed frequency PWM architecture that switches the power MOSFETs at a fixed frequency of 1.2MHz. This allows for fast load transient handling time, which is ideal for processor loads, and also eliminates any external components associated with the switching frequency. The duty cycle of the MOSFETs is determined by a resistive divider connected to the FB pin. By varying the voltage of the FB pin the duty cycle can be adjusted to control the output voltage.

The MP2205DL-LF-Z is a highly efficient buck converter which offers a variety of features and benefits. It provides designers with a low cost, low-noise solution, enabling multiple voltage rails to be realized on the same board. It operates with a wide input voltage range, has low quiescent current, includes external shutdown and EN pin, and is protected by thermal shutdown, short circuit and overvoltage protection. The device also utilizes an efficient pulse width modulation and synchronous rectification architecture, which is pre-programmed into the device, allowing for fast transient handling time. It is suitable for use in a wide range of applications, where fast load transient handling time, low output ripple and low power consumption are required.

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