LM3753SQ/NOPB

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The LM3753SQ/NOPB is a voltage regulator/controller that is used to control the power supply for a wide array of applications. This device can also be used as an alternative to conventional DC–DC switching regulators and controllers. The LM3753SQ/NOPB has a wide input voltage range and can operate from a variety of input sources, including lithium-ion batteries, USB supply, wall adapters, or regulated DC outputs. The device can be used to create a regulated supply voltage or provide a step-down voltage conversion (buck-mode). It can also be used to control the power supply of multiple output systems with a single device, or provide power at multiple levels. The LM3753SQ/NOPB can be used to control both buck and boost converters in a variety of applications.

Working Principle

The LM3753SQ/NOPB is a multi-phase non-synchronous buck-boost switching regulator that can be used to supply power to various types of applications. The device has an integrated pulse width modulation (PWM) controller and two high-side power MOSFETs that are designed to ensure efficient operation and low quiescent currents. The device also features adjustable switching frequency and synchronous rectification, allowing it to be used in applications that require low waste heat and high efficiency. The switching frequency can be adjusted via an external resistor. The LM3753SQ/NOPB can also be used to control both buck and boost converters in a variety of applications.

The device features integrated current limit and short-circuit protection, as well as a programmable Soft-Start function. It also features a shutdown signal that can be used to turn the device off when not in use. The output voltage of the device is adjustable, allowing it to be used for a wide range of applications, from digital to analog supplies. The device can be used for both low power applications and high power applications, with power levels up to 150W.

Applications

The LM3753SQ/NOPB is well suited for a wide range of applications, including battery-powered portable products, notebook computers, and consumer electronics. It can also be used in automotive, industrial, healthcare, and telecommunications applications. It is an ideal choice for step-down and step-up applications, as well as applications that require high efficiency and low interference. The device is also suitable for multi-output systems, including sync-boost converters, as well as single-output systems.

The LM3753SQ/NOPB is designed to provide an accurate output voltage and excellent load transient response. The device is also designed to be able to withstand high thermal cycles and over-current, under-voltage, and overtemperature conditions. The device is also fully tested and certified for quality assurance, providing protection for the end user.

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