LM5165XDRCR

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The LM5165XDRCR is a cost-effective, high-performance synchronous buck DC-DC switching regulator that is used for a wide range of low power applications. It features a low quiescent current (QC) high-efficiency full-bridge switching regulator with a maximum input voltage of 4.5V–13.2V and a wide output voltage range from 0.8V to 2.3V. It is specifically designed for applications where power efficiency and extended operating temperature is critical.

The LM5165XDRCR switching regulator has integrated MOSFETs for improved performance and power efficiency, as well as a built-in adaptive on-time (AOT) control circuitry. This circuitry allows the LM5165XDRCR to efficiently regulate its output voltage even at very low load currents. Furthermore, the LM5165XDRCR has a pulse-width modulation (PWM) modulator and a pulse-skipping (PS) mode function that enable further efficiency improvements. These further enhance the device’s operating performance. This feature also makes the LM5165XDRCR an ideal solution for a wide range of high-efficiency DC-DC converter applications.

The LM5165XDRCR operates by using a voltage regulation loop to regulate its output voltage. The regulation loop consists of a regulating device, feedback pin, error amplifier, and a feedback network. When the output voltage deviates from its desired target, the error amplifier produces an output signal proportional to the difference between the desired voltage and the actual output voltage. This signal is then fed back to the regulating device which will adjust its output voltage until the actual voltage matches the desired voltage.

The regulating device of the LM5165XDRCR is a synchronous buck switcher. This switcher takes the input current, modulates its duty cycle, and converts it into the required output voltage. The modulated signal is then fed back to the error amplifier, which then adjusts the regulating device’s duty cycle until the output voltage is equal to the desired voltage. The main advantage of this switching regulation system is that the efficiency is improved by reducing the power losses associated with the switching action.

The LM5165XDRCR also includes additional features such as an adjustable soft-start, over-current and thermal protection, and low standby power. These features give the LM5165XDRCR further advantages over other available solutions. In addition, the device has an input voltage of 3.3V and an output voltage of 1.8V to 5.5V. This makes the LM5165XDRCR suitable for a wide range of applications such as portable electronics, automotive, industrial & medical, and consumer products.

The LM5165XDRCR is a cost-effective, high-performance synchronous buck DC-DC switching regulator, ideal for a wide range of low power applications. Its high efficiency, extended operating temperature range, and low quiescent current make it an attractive solution for many applications. It is also suitable for applications where power efficiency and extended operating temperature are key requirements.

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