MAX1765EUE+

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The Maxim MAX1765EUE+ is a high-efficiency, previously low-volume linear and switching voltage regulator for notebook applications. This power supply chip combines the best of both worlds in one integrated package to provide superior thermal management, increased performance, and longer battery life. It provides flexible, high-performance power for ultra-thin notebook applications.

The MAX1765EUE+ is utilized when high power supplies are required in space- and power-constrained applications. It supports a wide input voltage range of 7.5 V to 21 V, with dual outputs of 12.5 V to 17 V and up to 30A of output current. Further, it provides excellent stability over both light and heavy load scenarios with a high power conversion efficiency of up to 98%.

The MAX1765EUE+ combines linear and switching technology to provide highly efficient operation over the full load range. Its built-in switching regulator boosts input voltage, allowing the linear regulator to regulate output voltage over the full load range. This unique hybrid architecture eliminates the need for bulky transformers, while still providing high-quality voltage regulation, eliminating the need to adjust component values and making design fast and simple.

The MAX1765EUE+ utilizes a charge-pump topology to avoid the need for large external components. It features both MOSFETs and robust diodes to ensure tight voltage regulation, as well as a low current start-up that allows the synchronous MOSFETs to turn on quickly. In addition, the chip utilizes an integrated low-side FET, enabling maximum design flexibility.

The MAX1765EUE+ includes multiple protection features to safeguard the system. These include thermal shutdown protection, current-limiting protection, undervoltage protection, and sluggish response to load transients. This ensures reliability and safety in the event of any over-voltage or over-current situation.

The MAX1765EUE+ is an ideal choice for Ultra-Thin Notebook (UTNB) applications. It provides an efficient, cost-effective solution for high-power applications requiring a scalable, robust, and highly reliable power supply.

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