MAX1639ESE+

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The MAX1639ESE+ is a wide-input, high performance, synchronous step-down DC-DC controller that operates at near-zero power. It is optimized for use in applications such as USB power adapters, laptop adapters, and high-efficiency LED drivers. It is ideal for applications that require high power efficiency and are limited in size. The MAX1639ESE+ offers a wide input voltage range of 2.6V to 18V and can deliver up to 10A continuous output current with up to 95% efficiency. It features cycle-by-cycle current limiting, short-circuit protection, and regulated cycle-by-cycle simple synchronization. It also offers an integrated 200mV sense voltage for improved efficiency.The MAX1639ESE+ is a highly efficient synchronous step-down DC-DC switching controller that enables designers to reduce power losses in their power-conversion applications, such as LED drivers and USB power adapters. It features an integrated input voltage sensing circuit and a low-voltage synchronous rectifier driver, which help minimize energy-conversion losses and reduce power loss in applications. It also features an internal 7bit digital-to-analog converter (DAC) that enables programmable output voltage ranges up to 1.8V.The MAX1639ESE+ operates over a wide operating temperature range of -40 to +85 °C, making it suitable for use in a variety of industrial applications. It also offers programmable under-voltage and over-voltage foldback protection, and has an adjustable switching frequency of up to 1MHz. The MAX1639ESE+ is designed with a 0.8V reference voltage and can be used in combination with an external power-MOSFET, to regulate the output voltage. Its cycle-by-cycle current limiting and short-circuit protection ensure reliable and safe operation and helps prevent damage to the components in the system.The MAX1639ESE+ is a highly efficient switching controller solution that enables designers to reduce power losses in power-conversion applications. It has an integrated input voltage sensing circuit, a 200mV sense voltage for improved efficiency, an integrated DAC, adjustable switching frequency, and a 0.8V reference voltage. Its wide input voltage operating range and adjustable current-limiting features make it suitable for a range of industrial applications. With its high performance and power efficiency, the MAX1639ESE+ is an ideal solution for applications such as USB power adapters, laptop adapters and high-efficiency LED drivers.

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