LT3509HMSE#PBF

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The LT3509HMSE#PBF is a 3A Fast Response, High Efficiency Synchronous Buck Regulator with a wide input voltage range of 4.5V to 80V. Its advanced active current steering architecture combining a high speed MOSFET driver and high efficiency energy management switching regulation technology, makes it suitable for a wide range of applications in various industries.

The LT3509HMSE#PBF is categorized as a switch mode DC-DC- regulator, which is a voltage regulator that is frequently utilized in general purpose power conversion applications. Its key feature is the utilization of various switching signal control in order to regulate output voltages, by changing the duty cycle of the signal. This type of design can provide higher and more efficient outputs than linear DC-DC regulators.

Applications for an LT3509HMSE#PBF could include voltage control and/or current control in a variety of “point of load” applications, such as AC/DC power adapters, LED power supplies, portable power tools and computer peripherals.

In addition to these primary applications, the LT3509HMSE#PBF can also be used for industrial manufacturing, medical products and avionics applications, as well as device charging, LCD and plasma displays, DVI/S-Video digital video, photovoltaic and telecom/datacom implementations.

The LT3509HMSE#PBF has a wide input voltage range and is specified to be able to operate over the input voltage range of 4.5V to 80V. This ensures that in scenarios where the voltage calculated from the application line voltage is lower than the device’s input voltage range, the device will still be able to operate.

The LT3509HMSE#PBF also features a wide bandwidth current limit output of up to 3A. This ensures that any power controllers that might be used in the application in order to regulate or limit the current flowing out of the LT3509HMSE#PBF won’t be overloaded.

The LT3509HMSE#PBF also offers a low output voltage ripple, which is beneficial when applications require the remaining DC output to be as clean and free of noise as possible. This is especially important when the remaining DC output is used to power digital systems and sensitive components.

The ARM Optimized-Pulse Skipping Mode/Power Save mode feature of the LT3509HMSE#PBF distinguishes it from other switch-mode DC-DC regulators. This features helps conserve energy by skipping over certain output pulses on demand, resulting in improved power savings.

The ARM Optimized-Pulse Skipping Mode/Power Save mode can be controlled with a single pin, allowing for a low current shutdown mode, allowing for easy control by attaching an external switch. This is also useful for portable applications, without having to sacrifice power. This feature assists in conserving battery life and increases total system efficiency.

The LT3509HMSE#PBF can work with a wide range of input currents and output voltage requirements, and can work efficiently at up to 90% efficiency, ensuring that it won’t overuse power. In addition, it is designed to meet the requirements of the EN55022 Class A standard, thus further reducing its power consumption and emissions.

The LT3509HMSE#PBF also features a fast transient response, capable of responding to a 500mA load step in less than 70ns. This ensures that it will keep up with any application’s demand and not cause any issues with its output.

The LT3509HMSE#PBF carries a wide range of features and benefits, making it suitable for a wide range of applications across various industries. Its wide input voltage range, fast transient response and ARM optimized-pulse skipping mode will allow for optimal performance and power savings in any application.

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