MP10091ES-LF-Z

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Part Status:	Active

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The MP10091ES-LF-Z is a progressive high-performance synchronous Buck converter from Monolithic Power Systems (MPS) used for offline switchers applications. It is capable of delivering up to 0.85 A output current with a wide input voltage range from 4.5 V to 18 V. Overall, the MP10091ES-LF-Z features good system efficiency, small package size, and low quiescent current for excellent system performance.The MP10091ES-LF-Z can be used in a variety of applications, such as automotive systems, test and measurement equipment, consumer appliances, and network equipment. For automotive applications, the numerous advantages of the MP10091ES-LF-Z, such as extended temperature range, low standby current, and excellent thermal performance, make it an ideal choice for continuous duty operation and high efficiency. Its built-in protection circuits adds safety and convenience for the end users. For consumer applications, the MP10091ES-LF-Z provides ease of integration and a low output ripple, enabling it to meet audio quality requirements.The MP10091ES-LF-Z is a synchronous switching regulator that uses Pulse-Width Modulation (PWM) control. It consists of a high-side power FET and low-side power FET connected in parallel, along with a PWM control logic. The high side power FET controls the input voltage, while the low-side power FET controls the output current. The PWM control logic generates pulses to control the switching of the FETs according to the input voltage and output current.When the input voltage increases, the operating frequency of the MP10091ES-LF-Z increases, while when the input voltage decreases, the operating frequency reduces. This control scheme allows the MP10091ES-LF-Z to be operated in a wide input voltage range without compromising output regulation. The synchronous configuration also significantly reduces the power consumption compared to conventional switching regulators.The MP10091ES-LF-Z also features built-in protection circuits for over-voltage, over-current, and over-temperature conditions. The device supports power on-delay and soft-start functions as well. When the input voltage exceeds the range, an output current limiting mechanism is enabled to ensure reliable operation.Overall, the MP10091ES-LF-Z is an ideal solution for offline switchers applications requiring high performance, high efficiency, and low power consumption. It offers extended temperature range, wide input voltage range, low standby current consumption, and built-in safety features. This device is suitable for automotive, consumer, medical and industrial applications.

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