MAX1774EEI

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The MAX1774/MAX1776 EEI are integrated, non-synchronous, step-down switching regulator ICs that can generate regulated output currents of up to 7A. Designed in MegaCore technology, these EEI ICs feature low quiescent current, low drop-out voltage, and low operating temperature. This makes them ideal for portable and handheld device applications that require efficient, low-power-consumption DC to DC voltage regulation.

The MAX1774/MAX1776 EEI series of switching regulators feature a constant-frequency, current-mode control architecture. This architecture ensures fast loop response and excellent load and line regulation. The switching frequency is internally set to 500kHz, and can be adjusted with a voltage ramp (for compensation). The current limit can be programmed with a single external resistor for the MAX1774, and is internally fixed for the MAX1776. Programmable soft-start can be enabled by an external capacitor.

The MAX1774/MAX1776 EEI also keep external component count to a minimum. The MAX1774 includes an external shutdown logic pin and external sync (for signal synchronization and noise reduction) feature, while the MAX1776 includes an internal shutdown signal that allows the chip to switch off automatically when the input voltage drops. Both EEIs also have internal thermal protection, as well as over-current protection and under-voltage lockout (UVLO) features.

The MAX1774/MAX1776 EEI offer a wide range of benefits for applications that require high-efficiency DC-to-DC converters. Their high efficiency minimizes power loss and reduces the amount of heat generated. They are also optimized for fast transient response, and their fast loop response and excellent line/load regulation further make them ideal for portable and handheld applications. The low quiescent current and low drop-out voltage of the MAX1774/MAX1776 EEI also make them well-suited for battery-powered applications.

In conclusion, the MAX1774/MAX1776 EEI switching regulators offer a wealth of features that make them well-suited for a variety of portable and handheld device applications. With features such as high efficiency, low drop-out voltage, fast transient response, and fault protection, the MAX1774/MAX1776 EEI provide an excellent solution for DC-to-DC voltage regulation.

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