LTC3831EGN-1#PBF

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The LTC3831EGN-1#PBF is a high performance step-down switching regulator controller designed for use in applications that require high efficiencies and enabling of conversion from 24 V to 5 V. It features a programmable, switched-mode, pulse-width modulation (PWM) controller that can achieve efficiencies of over 95%. It integrates Burst Mode Efficiency Regulation (BMER) operation that helps optimize light load efficiency, while continuously monitoring and optimizing the efficiency of the main regulator over a wide range of power levels without any intervention from the system processor.

The LTC3831EGN-1#PBF is an ideal solution for applications that require high power density and efficient performance, such as in networking and storage equipment, consumer electronics, and industrial applications. It also has built-in protection features like current limit, thermal shutdown, as well as intelligent compensation that limits risk of outputring failure and helps maintain accurate regulation.

The LTC3831EGN-1#PBF has an input operating voltage range of 5 V to 24 V, factory-set for 4.4 V, short circuit protection, over-current protection and an adjustable current limit. It is capable of delivering up to 12A of output power and is optimized for a wide range of switching frequency selections. It also features a selectable mode of continuous conduction mode (CCM) or discontinuous conduction mode (DCM), depending on the application.

The LTC3831EGN-1#PBF features an internal compensation network for an output voltage range of 0.7 V to 5.3 V, with an adjustable voltage precision of ±1%. It also integrates power saving functions in both normal operation and standby modes. The output voltage can be adjusted by the external resistors, the output voltage accuracy is kept within ±2%, and it has built in cycle-by-cycle current limit and power indicator LED.

The LTC3831EGN-1#PBF is a high performance switching regulator that works by combining the operation of a high side power MOSFET and an inductor charged by the high side switch, to obtain an output regulator with a greater efficiency than traditional linear regulators. The controller takes the input voltage and reduces it to a certain voltage level, depending on the values of the external components connected to the regulator’s input and output pins.

The operating principle is based on the Pulse-Width Modulation (PWM) regulation scheme, where the switching frequency of the PWM pulses is set by the clock in the LTC3831EGN-1#PBF, and the duty cycle is determined by the relationship between the reference voltage and the feedback voltage. The switching frequency of the PWM pulses is adjusted to maintain the output voltage constant at the desired level.

In addition to its excellent efficiency and high power conversion, the LTC3831EGN-1#PBF provides built-in protection features such as undervoltage lockout, soft start, thermal shutdown, over-current protection, adjustable current limit, and integrated MOSFETs. It also contains several performance-improving features such as intelligent compensation, burst mode operation, and automatic switch mode selection. The LTC3831EGN-1#PBF also includes a power OK output that can be used as an input signal for processor control.

The LTC3831EGN-1#PBF is suitable for applications that require high efficiency and compact design. It is designed to meet the requirements of a wide range of applications that require a high frequency, current mode controller with the ability to condition and regulate voltage in a variety of power systems.

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