MCP1642B-50I/MS

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PMIC Voltage Regulators are integral components used in today\'s electronic circuits. They ensure reliable power supply, robust power supply design to assist circuitry in providing reliable and optimum performance. The MCP1642B-50I/MS DC DC Switching Regulator is one such component.

The MCP1642B-50I/MS is a synchronous step-down switch mode power converter from microchip technology. It is ideal for applications requiring an efficient, compact, low-noise regulator solution with excellent current-mode load and line regulation performance. The device features internal power FETs that simplify the design of synchronous buck regulators by reducing component count while enhancing efficiency and reducing noise.

The nominal input voltage range of the MCP1642B-50I/MS is from 4.5V to 14V, with a maximum output current of 50mA and a regulated output voltage range from 0.6V to the input voltage. The duty cycle can be programmed between 0.2 and 0.99 with an adjustable frequency of 100kHz to 700kHz for optimal efficiency. The switching frequency is adjustable using both an internal resistor and an external voltage ramp reference pin (FB). The MCP1642B-50I/MS has a built-in tracking and synchronization block that supports both pulse skipping and pulse width modulation control.

The MCP1642B-50I/MS includes several protection features such as an input over-voltage shutdown, one-time programmable current limit, internal thermal shutdown, and an adjustable soft-start. The device is available in flexible 8-pin MSOP and DFN packages.

The MCP1642B-50I/MS DC DC Switching Regulator is well-suited for small to mid-power applications such as personal video recorders, mobile handsets, personal digital assistants, point-of-sale terminals, notebook computers, DVD players, and digital cameras. The device has a wide operating temperature range from -40°C to +85°C, making it suitable for a variety of applications across various industrial, consumer, automotive, and medical markets.

In summary, the MCP1642B-50I/MS DC DC Switching Regulator from microchip technology is an ideal choice for efficient, compact and low-noise synchronous buck power applications. It offers excellent current-mode load and line regulation for small to mid-power applications, adjustable soft-start and protection features, as well as a wide operating temperature range. The device is offered in two flexible package options – 8-pin MSOP and DFN.

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