LM2853MH-0.8/NOPB

The LM2853MH-0.8/NOPB is a synchronous step-down voltage regulator that features high efficiency, low quiescent current, wide input voltage range, flexible configuration of switching frequency, and easy interfacing. It belongs to the group of DC DC switching regulators, and is most often used in mobile applications, such as smartphones and tablets, in order to manage power and control level of charge.

The main specs of the device are the voltage input range of 4.5V to 22V, output voltage range of 0.75V to (VIN-0.3V), and switching frequency of 3MHz. The maximum current is 5A. It is offered in a 5mm x 7mm low profile device package, making it an ideal choice for space constrained application environments.

The LM2853MH-0.8/NOPB controller is a monolithic integrated circuit that integrates a synchronous buck PWM controller with an advanced high side and low side MOSFET driver. It has the pulse-width modulation (PWM) mode with adaptive on-time control and a powerOK signal, which act to optimize the converter for noise, withstanding a wide range of load capacitance and transient behavior.

The device allows for a high efficiency power management solution by utilizing its adjustable switching frequency, low quiescent current, and low dropout operation to maximize efficiency and reduce output noise over a wide range of load currents. It also provides a variety of protection features that include current limit protection and thermal shutdown. Furthermore, the integrated latching PWM controllers vary the switching frequency based on changes in the load and input conditions in order to maintain the optimal output voltage regulation.

The LM2853MH-0.8/NOPB is available in a variety of voltage inputs and output currents, making it suitable for a wide range of applications. It helps to provide a reliable and efficient power management solution for portable applications, such as smartphones and tablets, as well as for portable medical devices, automotive applications, and industrial systems.