LT3580MPMS8E#TRPBF

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LT3580MPMS8E#TRPBF is a high-efficiency, high-frequency synchronous buck-boost DC/DC switching regulator ideal for providing adjustable and/or auxiliary power to a wide range of applications, such as battery-powered devices, industrial and medical systems, vehicle systems, and more. With a wide input voltage range of up to 46V and an output voltage adjustable from 0.6V to 46V, the LT3580MPMS8E#TRPBF can operate in step-up, step-down, or inverting modes, making it an extremely versatile and feature-rich product.

Typical applications for the LT3580MPMS8E#TRPBF include LED lighting control and power regulation, USB power control, auxiliary power supply for ASICs, voltage monitor and regulation for wireless transceivers, and high-voltage switching for RF applications. The LT3580MPMS8E#TRPBF can also be used in point-of-load applications such as microprocessor and ASIC voltage regulation systems.

The LT3580MPMS8E#TRPBF integrates many features that make it an ideal solution for these and other applications. A low quiescent current of only 30μA allows for a wide range of applications, while the integrated programmable soft start eliminates the problem of large inrush current during start-up. The integrated digital power system management solution allows for efficient real-time monitoring and control of the voltage, current and temperature of the system. In addition, the device utilizes a wide range of voltage feedback options and control feedback, allowing it to be used in a variety of configurations. Lastly, the device features 0.6Ω power MOSFETs and integrated controllers to minimize power consumption and improve overall efficiency.

The LT3580MPMS8E#TRPBF utilizes a synchronous buck-boost topology for efficient power conversion. The device uses two synchronous power MOSFETs and control circuitry to switch the output voltage between the input voltage and ground. The MOSFETs are controlled by the feedback and clock circuitry, which create an oscillating waveform used to control the voltage across the device. Each cycle of the waveform is divided into two parts: a on-time and a off-time. During the on-time, the MOSFETs are switched on allowing current to flow through them. During the off-time, the MOSFETs are switched off, stopping current flow.

The LT3580MPMS8E#TRPBF also features an adjustable soft start mode that limits the average input current during startup. This feature prevents large inrush currents and protects components from overcurrent damage. Soft start can be set to a default value or adjusted to a higher or lower value depending on the user’s requirements.

The LT3580MPMS8E#TRPBF also features an integrated power system management solution that provides real-time monitoring and control of the voltage, current and temperature of the system. The integrated OTP (over temperature protection) monitors the junction temperature of the device and provides a warning signal if the junction temperature exceeds the user-defined temperature limit. The device can also be used to monitor voltage with ±5% accuracy, current with ±3% accuracy and temperature with ±1°C accuracy.

Overall, the LT3580MPMS8E#TRPBF is an efficient, high-frequency synchronous buck-boost DC/DC switching regulator that provides adjustable and/or auxiliary power to a wide range of applications. The device integrates low quiescent current, programmable soft start, integrated digital power system management and OTP, adjustable voltage and current feedback, and 0.6Ω power MOSFETs, making it a feature-rich and reliable product.

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