LM2792LD-L/NOPB

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The LM2792LD-L/NOPB is part of the vast array of PMIC - LED Drivers from Texas Instruments. It is an adjustable current control, switched-mode LED driver, providing a universal solution for driving a wide range of LEDs from a single device. The LM2792LD-L/NOPB supports load currents from 1 mA up to 300 mA, with 0.5% current accuracy, and are capable of driving up to 20 LEDs in series, depending on connectivity and the thermal comfort of the user.

Its wide input voltage range of 5.5 V to 42 V helps designers to reduce power losses under varying power supply and environmental conditions, while its high switching frequency of 1.2 MHz helps improve the converter\'s performance and overall system effectiveness. Additional features include simplified design, configurable current accuracy, low-power mode, and HV pin.

The LM2792LD-L/NOPB can be integrated into LED Lighting applications requiring very high efficiency and low power consumption. It has been designed to be suitable for use in high-end LED lighting, including LED-based lighting systems, LED street lights and LED backlighting for LCD monitors. This device is especially well-suited for use with high power LEDs requiring up to 300 mA.

In terms of its working principle, the LM2792LD-L/NOPB utilizes a current-mode control topology, which has a high loop gain, low sensitivity to variations, high stability of the operating point and a small duty cycle. By using an external resistor, the LED current is adjusted through an external voltage, current sense or average of voltage and current sense, thus eliminating the need for additional control loop components.

Furthermore, the LM2792LD-L/NOPB has a low power mode which lowers the power dissipation to less than 100 mW. This is achieved by reducing the switching frequency to 600 kHz and by increasing the peak current-mode threshold voltage. Moreover, the HV pin can be used to adjust the output voltage, providing maximum flexibility and ease of use.

In conclusion, the LM2792LD-L/NOPB is an ideal solution for a wide variety of PMIC - LED Driver applications, including high-end LED lighting applications requiring very high efficiency and low power consumption. Its adjustable current control, switched-mode LED driver setup, wide input voltage range and its low-power mode make it an incredibly versatile device.

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