LTC3801ES6#TRPBF

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The LTC3801ES6#TRPBF is a DC-DC switching controller featuring integrated FETs, high efficiency voltage regulation, and advanced power management functions. Its integrated MOSFETs, which can handle full-cycle switching at up to 20 kHz, reduces switching losses and simplifies system design. The device features external soft thresholds for programmable startup, current limit, and overvoltage protection as well as adjustable overvoltage and undervoltage locking.

The LTC3801ES6#TRPBF is ideally suited for applications such as server power systems, telecom power systems, industrial power systems, automotive controllers, and non-isolated power supplies. The device can be used in a variety of different topologies such as buck, boost, SEPIC, and flyback architectures and supports up to two phases for greater current capability and power management options.

When it comes to the device working principle, the LTC3801ES6#TRPBF is designed to regulate pulse-width-modulated (PWM) and pulse-frequency-modulated (PFM) voltage and current modes. In each mode, the device can switch at a frequency range of up to 20 kHz and with a duty cycle up to 100%. The device uses a simple yet highly configurable power stage to regulate the output voltage. The output voltage of the device is set by a voltage reference, which establishes the voltage the controller attempts to regulate. The controller uses a feedback signal from the output to determine if the voltage is being regulated correctly. If it is not, the device automatically adjusts the duty cycle of the integrated MOSFET. When the voltage is regulated correctly, the device enters a low power state and only consumes minimal amounts of power.

The LTC3801ES6#TRPBF features several features that help improve power efficiency and simplify power system design. These features include an adjustable current limit, external soft threshold for programmable startup, overvoltage and undervoltage lockout, and auto power-down mode. Additionally, the device includes a selectable PFM/PWM mode, programmable phase current limit, and easy logic level control.

The LTC3801ES6#TRPBF is a highly integrated solution designed to provide high switching frequency with low component count and thermal stress. By integrating the main power elements into a single package, the device simplifies system design and reduces component count and cost. Additionally, the device\'s advanced power management functions combined with its integrated MOSFETs provide reliable protection and high efficiency regulatory performance.

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