LM5165YQDGSTQ1

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Introduction: LM5165YQDGSTQ1 is a DC-DC switching regulator that adheres to the voltage regulator category of PMIC (Power Management IC). It enables the efficient conversion of power supply voltage to provide an adjustable regulated output voltage with a wide input voltage range. The device consists of a peak current-mode PWM controller, an internal regulator, and the FETs needed for step-down switching applications. It helps to provide high efficiency operation up to 95% and competitive quiescent current. So it makes the LM5165YQDGSTQ1 a great choice for energy-conscious and cost-sensitive applications.

Application Field: LM5165YQDGSTQ1 DC-DC switching regulator can be used in a variety of applications, such as industrial, automotive, computing and consumer applications. The wide input voltage range (7V to 75V) significantly reduces the design complexity of designing multiple voltage solutions into a single power supply. It also allows high efficiency throughout the entire input voltage range to simplify thermal management and to avoid over stressing power components. The device is suitable for use in low noise applications, as the integrated PWM controller provides a vivid transient response and a low noise switching frequency.

Working Principle: The LM5165YQDGSTQ1 DC-DC switching regulator works on the principle of peak current-mode control. This type of control circuit provides better transient response, over current and over voltage protection, as well as wide bandwidth control. The key component of the circuit is the internal PWM controller, which is responsible for all the regulation functions. It has an input voltage range of 7V to 75V, and the output voltage can be programmed from 1.2V to 48V by a resistive voltage-divider.

Features: LM5165YQDGSTQ1 DC-DC switching regulator features an integrated drain-LED power switch controller to offer very low on-resistance MOSFETs, thereby reducing system losses and improving efficiency. The device also features a built-in high side start-up circuit, allowing positive output voltage to be regulated during start-up. The PWM features low line and load transients, while the device also includes built-in soft-start, overvoltage protection and improved loop stability.

Conclusion: LM5165YQDGSTQ1 is a great choice for energy-conscious applications because of its high efficiency, wide input voltage range, and improved loop stability. It is also suitable for low noise applications due to its integrated PWM controller for vivid transient response and low noise switching frequency. The device comes with a built-in high side start-up circuit, allowing positive output voltage to be regulated during start-up. With its wide range of features, the LM5165YQDGSTQ1 DC-DC switching regulator is an ideal choice for a variety of industrial, automotive, computing and consumer applications.

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