MP2102DK-LF-P

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MP2102 DK-LF-P is a Synchronous Step-Down converter widely used as a voltage regulator. It is a DC/DC switching regulator that provides excellent performance and reliability in digital power supply. This device is suitable for a variety of applications such as system level power distribution, motor controls, renote sensing and control systems, and automotive systems.

It offers excellent transient response and EMI performance, along with the ability to reduce external component count. It is rated for an operating temperature range of -40 °C to +125 °C and can provide an output voltage from 0.6 volts to 6.0 volts regulated with ±1%. The device also has programmable switching frequency and soft start for improved system performance. It supports a wide input voltage range of 2.4V to 18V.

The MP2102 DK-LF-P’s internal topology consists of a high-side tunnel MOSFET and a low-side driver, connected to a free-wheel Schottky diode. The high-side driver is can be enabled or disabled by the enable (EN) pin while the low side-driver is enabled whenever the voltage at the FB pin is more than the reference. The device also includes an internal gate drive circuitry and a slew rate control, enabling the MOSFET to turn on and off in a precise and hysteretic manner.

When the enable pin is activated, the voltage at FB pin rises. The device then compares the voltage at FB pin and reference. If the voltage at FB pin is higher than the reference voltage, the high side driver is disabled and the low side driver is enabled, driving the FET to turn on and delivering sourced power to the output. On the other hand, if the voltage at FB pin is lower than the reference voltage, the low side driver is disabled and the high side driver is enabled, turning the FET off. This completes one cycle of the synchronous buck converter.

The MP2102 DK-LF-P is an advanced solution that provides an efficient, cost-effective and simple way to achieve a regulated output voltage. It features an advanced synchronous design, integrated drivers and gate control, adjustable switching frequency, and soft start. These features make the MP2102 the ideal solution for system-level power distribution and motor control applications.

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