MP2158GQH-P

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The MP2158GQH-P is a high performance synchronous DC-DC step-down power Module specifically designed for use in mobile phone and other applications needing long battery life and high power density. It integrates an inductor, an N-Channel internal switch, a PMOS synchronous rectification switch, and accurate current sensing circuitry all in a single small package. The MP2158GQH-P provides pin-selectable, 1.2V-5.5V adjustable output and Silent S LLC Resonant Mode technology to enable extremely high efficiency at light load efficiency, The MP2158GQH-P operates from a wide 1V to 5.5V input voltage range and provides up to 1.7A continuous output current and up to 2A peak output current.

The MP2158GQH-P also features high-Frequency Current Limit, soft-Start/Enable, and output Under-Voltage protection functions. All these features make the MP2158GQH-P an ideal DC-DC switch regulator for use in low voltage mobile applications.

The working principle of the MP2158GQH-P is straightforward. It employs a standard voltage regulator configuration, which consists of an input voltage, an internal switching regulator and an output voltage. The input voltage is regulated to an appropriate level by the regulator that results in the generation of a constant output voltage. The internal switching regulator controls the amount of current flow from the input to the output, thereby regulating the output voltage to a desired level.

The MP2158GQH-P utilizes a synchronous rectification topology to achieve high efficiency across the operating range. It has a high frequency fixed operating range of up to 2MHz that helps to reduce the size of the external components, enabling higher efficiency and a smaller power solution. In addition, it also uses the latest LLC resonant topology to reduce switching losses at light load, thus delivering improved efficiency and power density.

The MP2158GQH-P is able to reach an optimal level of efficiency ranging from 92% to 96% at all load levels, therefore it is ideal for systems that require long battery life and require high power density in a small form factor. The MP2158GQH-P can be used in a wide variety of applications such as mobile phones, PDAs, portable media players and other portable electronic devices.

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