LT3575IFE#PBF

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The LT3575IFE#PBF is a DC/DC switching regulator that is designed to provide a compact, high efficiency and cost-effective solution for a wide range of point-of-load applications. It offers efficient performance and reliable operation.

Application Field

LT3575IFE#PBF is a high-efficiency, synchronous buck switching regulator that is capable of providing a maximum output current of 10 A. It can be used for a wide range of point-of-load applications such as DC/DC conversion in industrial and consumer electronics, medical equipment, telecommunications, and other electronic systems. The device offers several advantages such as higher performance, small size, integration, no heat sink requirement, and low BOM (bill of material) count. It has built-in protections such as current limit, output over-voltage protection, and thermal shutdown.

Working Principle

The LT3575IFE#PBF is designed with a synchronous step-down architecture. It operates in a fixed frequency current mode control that can be set with an external resistor. It consists of two power switching MOSFETs connected in a full bridge configuration. The device controls the MOSFETs by using the voltage across an integrating inductor to regulate the output voltage. It also employs a differential amplifier and an internal 555 timer to provide a Logic enable signal for pulse-width modulation (PWM) control. Moreover, the device is capable of providing a wide input voltage range (4.5V to 30V), a wide output voltage range (0.6V to 30V), a low output noise, and an adjustable soft-start.

Conclusion

The LT3575IFE#PBF is a DC/DC switching regulator that is designed to provide cost-effective, high-efficiency and reliable solution for point-of-load applications. It has a synchronous step-down architecture which enables it to deliver up to 10A output current with a wide input and output voltage range. The device also offers excellent protection features such as over-current, over-voltage and thermal shutdown for reliable operation in harsh and extreme conditions. Therefore, the LT3575IFE#PBF is an ideal choice for designers in a variety of industrial and consumer applications.

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