ISL6440IA-TK

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The ISL6440IA-TK is an integrated circuit that is part of a family of circuits manufactured by Intersil. It is classified as a PMIC, or power management IC, that is part of the Voltage Regulator and DC-DC Switching Controller families. The ISL6440IA-TK is a high-performance, current-mode, synchronous step-down switching controller that utilizes a Versatile Slope Compensation (VSC) architecture, which keeps the part in constant frequency for increased efficiency over the entire load range.

The ISL6440IA-TK operates with an input voltage range of 4.5V to 16.0V and delivers multi-phase currents up to 8A to step down, or reduce, the incoming DC source. The output range is adjustable from 0.8V to 6.5V and allows for both Voltage Mode (VM) or Current Mode (CM) compensation. Its switching frequency is adjustable between 300 kHz and 1.2 Start and has a high efficiency of up to 94%.

The ISL6440IA-TK supports two types of step-down converters: Single Phase and Dual Phase. In Single Phase mode, the ISL6440IA-TK monitors and controls the output voltage and provides cycle-by-cycle current limiting for overload protection. In Dual Phase mode, the IC can double the output current, and also monitor and control multiple phases for improved efficiency. The ISL6440IA-TK also features Open Loop, Short Protection, and Overvoltage Protection features, to ensure reliability and system protection.

The ISL6440IA-TK can be used in a wide range of applications, including DC/DC conversion for portable electronics, such as laptops, tablets, and smartphones, as well as industrial and automotive applications. The ISL6440IA-TK is also suitable for LED lighting and gaming applications, due to its high power efficiency, low power losses and sound noise immunity.

Overall, the ISL6440IA-TK is a high-performance, current-mode, synchronous step-down switching controller, designed to provide reliable performance in a wide range of applications and industries. By utilizing its Versatile Slope Compensation (VSC) architecture, the ISL6440IA-TK can be used to step down incoming DC sources with an input voltage range of 4.5V to 16.0V, and deliver currents of up to 8A with an output range adjustable from 0.8V to 6.5V. Additionally, the device has a wide operating temperature range from -40 ℃ to 150 ℃, a high efficiency of up to 94%, and features Cycle-by-Cycle current limiting and other protection features for overload and overvoltage protection.

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