LT3574IMS#PBF

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PMIC - Voltage Regulators - DC DC Switching Regulators

The LT3574IMS#PBF is a high voltage DC-DC point-of-load switching regulator that can deliver up to 2A of continuous current. It includes a wide input voltage range of 4.5V to 60V, allowing it to be used with a wide variety of voltage sources. The LT3574IMS#PBF is capable of providing regulated outputs of 3.3V to 40V, and its output voltage is adjustable via an external voltage divider. It includes high-frequency current mode control, along with a dedicated soft-start circuit, allowing it to achieve fast transient response. Additionally, the LT3574IMS#PBF has a shutdown function, allowing it to enter a low quiescent current state when not in use.

The LT3574IMS#PBF is ideal for use in a wide range of DC-DC power applications, including distributed power systems and converter modules in intermediate bus converters, as well as point-of-load regulators. Additionally, it can be used in battery powered systems, such as portable medical instruments, as well as in automotive and industrial applications.

The LT3574IMS#PBF is a switching regulator based on current-mode control, meaning that it has a built-in controller that adjusts the amount of output current supplied to the load by modulating the duty cycle of the switching transistor, resulting in a stable output voltage. Additionally, the current-mode control allows the device to react quickly to changes in the load or input voltage, enabling fast transient response times. The LT3574IMS#PBF uses an internal high-frequency switching MOSFET and an external Schottky diode, allowing it to achieve very high efficiency levels. It is also built with integrated over-current and over-voltage protection circuits, and has a dedicated soft-start pin to ensure smooth start-up and minimize inrush current.

The LT3574IMS#PBF is designed for use in a wide range of applications requiring DC-DC voltage conversion. Its wide input voltage range and adjustable output voltage make it well suited for distributed power systems, as well as in battery powered systems. Additionally, its high efficiency and fast transient response times make it well suited for use in automotive, industrial, and portable medical applications.

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