MP2358DQ-LF-P

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MP2358DQ-LF-P is one of the most popular DC/DC switching regulators from Monolithic Power Systems (MPS). It is a 6V monolithic BUCK DC/DC converter, featuring a wide 5.5V to 18V input voltage range and up to 2A output current capability. The MP2358DQ-LF-P has an advanced control architecture that adjusts its output voltage based on the voltage and current in the input circuit.

The MP2358DQ-LF-P is mainly used in many different applications, including portable electronic devices, industrial systems, automotive, LED lighting, and more. It is a highly reliable and efficient device which is capable of operating over a wide input voltage range and delivering a stable output voltage. The MP2358DQ-LF-P has a built-in under-voltage lockout (UVLO) and over-voltage protection (OVP) to ensure a safe, reliable operation.

The main working principle of the MP2358DQ-LF-P is a synchronous buck converter, using MOSFETs as a power switch to convert the input voltage to output voltage. The switching frequency is determined by the internal clock circuit of the device and is adjustable between 200kHz and 1.5MHz. It also features pulse-width modulation (PWM) to regulate the output voltage. The internal voltage feedback loop stores the output voltage and compares this with the internal reference voltage. The loop adjusts the duty cycle of the power switch to achieve the desired output voltage.

The MP2358DQ-LF-P has numerous features that make it suitable for a wide range of applications. It includes an automatic switch frequency control for EMI reduction, soft-start circuitry, output current limit, adjustable output voltage, and an integrated logic-level output signal for quick and efficient power-up of the device. The MP2358DQ-LF-P also has thermal shutdown and over-temperature protection to ensure safety in high-temperature environments. All these features make the MP2358DQ-LF-P an excellent choice for DC/DC switching regulators in a variety of applications.

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