LM3492MHX/NOPB Integrated Circuits (ICs)

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The LM3492MHX/NOPB is an LED driver integrated circuit with Pulse Width Modulator (PWM) dimming capability, designed to operate from a variety of inputs, including DC/DC converters, low voltage supplies and automotive power rails.

The LM3492MHX/NOPB is categorized as a Power Management Integrated Circuit (PMIC) for LED Drivers and is used in a vast range of applications including automotive, industrial, general illumination and consumer lighting solutions.

The LM3492MHX/NOPB comes in two versions - the LM3492MHX and the LM3492MHX/NOPB - both of which offer high efficiency, low ripple voltage, fast switching and protection features that make them ideal solutions for efficient LED lighting applications.

The LM3492MHX/NOPB is a non-isolated buck-boost converter with integrated overvoltage, overcurrent and thermal protection, designed with efficiency, EMI, functionality and safety in mind. The LM3492MHX/NOPB supports input voltages from 8V to 50V and allows output voltages from 0.9V to 40V, with a peak output current of 2A.

The LM3492MHX/NOPB has a non-synchronous buck-boost topology, which helps to reduce Ripple Current, output Ripple Voltage and EMI compliance. This helps to reduce the overall cost of the system, as well as provide a simple, efficient solution for LED lighting applications.

The LM3492MHX/NOPB\'s PWM dimming capability allows for smooth dimming over a wide range. It also has a selectable 150kHz fixed frequency or auto-adjust frequency mode, which allows the device to adjust the PWM frequency automatically to optimize efficiency and reduce EMI. It also has an integrated comparator with frequency-shift compensation, which provides a positive control loop for the PWM signal and helps to reduce the error rate.

The LM3492MHX/NOPB also has integrated protection features, including overvoltage, undervoltage, short-circuit and thermal protections. These features help to guard against damage to the LEDs and other circuitry, as well as protects the device from damage in the event of any electrical fault.

The LM3492MHX/NOPB is a versatile and reliable LED driver, offering the features, performance and safety required for many LED lighting applications. Its wide input voltage range, high efficiency, fast switching, PWM dimming and integrated protection features make it an ideal choice for a variety of LED projects.

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