LM5018MR/NOPB

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The LM5018MR/NOPB is a highly efficient DC-DC switching regulator containing a MOSFET, gate driver, and current sense amplifier. This device allows for high power conversion efficiency over a wide range of input and output voltages. It also features an integrated Gate Driver output for accurate and fast switching of the MOSFET switch.

The full-featured, 2-phase pulse width modulation (PWM) controller can be used to generate multiphase, symmetric, or asymmetric regulated output voltages at frequencies up to 1MHz. With its 500mV fixed-frequency, current-mode architecture, the LM5018MR/NOPB provides protection against over-current, short-circuit, limited output voltage, and over-temperature conditions.

The integrated current sense amplifier and MOSFET driver allows for high power conversion efficiency and accurate current control. The wide input range of up to 60V and low output voltage range of 0.8V to 6V allows for versatility in use. The LM5018MR/NOPB is available in surface-mount, through-hole and SOIC packages.

The application field for the LM5018MR/NOPB is wide, as it is suitable for powering mobile phones, portable devices, and other applications which require high efficiency and small size. This device can be used to regulate the supply and output voltages, as well as to control the peak current limit. It is also used in multiple output applications, where multiple converters are used in parallel to increase the output current.

This device is capable of delivering up to 1A of continuous output current. It has a power conversion efficiency of up to 95%, allowing for efficient power management in applications. The LM5018MR/NOPB offers protection against short-circuit, over-temperature, and over-current conditions.

The working principle of the LM5018MR/NOPB is based on a 2-phase pulse width modulation (PWM) control system. A digital signal is supplied to the PWM circuit, which then controls the on-time of the MOSFET switch to regulate the output voltage. The internal current sense amplifier allows for accurate current control for high power conversion efficiency.

Additionally, the device can also be used to generate multiple regulated output voltages from a single input voltage. The system uses an internal logic to cycle between the multiple output voltages and control their individual output currents. This allows for flexibility in power management in various applications.

Overall, the LM5018MR/NOPB is a highly efficient and versatile DC-DC switching regulator, suitable for powering mobile phones, portable devices, and other applications that require high efficiency and small size. With its 500mV fixed-frequency, current-mode architecture, it is able to provide protection against over-current, short-circuit, limited output voltage, and over-temperature conditions.

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