LT3574EMS#PBF

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The LT3574EMS#PBF is a highly efficient, Pb-free, monolithic synchronous step-down converter. It has a wide input voltage range of 4.5 V to 42 V and delivers an adjustable output voltage; up to 2 A of continuous output current, low RDS(ON) power switch, and internal compensation. It is an ideal device for notebook, desktop computer, and server power adapter applications or any other applications that require high efficiency and high power density.

The LT3574EMS#PBF is an ultra-low quiescent current device with a typical shutdown current of less than 1 μA. It features an adjustable soft start for reduced inrush current, as well as adjustable peak current limit, UL record-keeping pins, power good voltage selection, dynamic voltage scaling, and programmable Power Save mode. It is CE compliant and supports high-speed transient response.

The LT3574EMS#PBF is available in a thermally enhanced 8-pin MSOP package. Its high efficiency also allows the LT3574EMS#PBF to operate over a wide ambient temperature range of -40°C to +125°C. Its integrated power switch provides lower power dissipation, typically up to 60% lower than comparable single-channel current-mode converters.

The LT3574EMS#PBF is a switching voltage regulator and it works by efficiently transferring energy from the input voltage source to the output voltage load. The LT3574EMS#PBF features an internal power switch, internal compensation, and a low RDS(ON) power switch that make it ideal for power adapter applications. It achieves high efficiency by utilizing integrated synchronous rectification with adjustable peak current limit for reduced switching losses.

The LT3574EMS#PBF can also be used in other applications such as automotive, telecommunications, networking, and battery charging, where high efficiency and high power density are required. It is also suitable for use in automotive applications, as it is compliant with AEC-Q100 qualification standards. The LT3574EMS#PBF also offers an adjustable soft start that prevents inrush current, as well as various protection features, such as over-temperature protection, thermal shutdown, and output current protection.

The LT3574EMS#PBF has a wide range of applications in various industries, from notebook computers and power adapter applications, to automotive, telecommunications, networking, and battery charging applications. By combining low quiescent current, high efficiency and wide input voltage, the LT3574EMS#PBF is an ideal choice for efficient, high power density applications. The device also offers various protection features, adjustable soft start, dynamic voltage scaling, and programmable Power Save mode to ensure safe, reliable operation in a wide range of applications.

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