LM2758TLX/NOPB

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The LM2758TLX/NOPB is a high-performance, flexible, Constant Current Mode LED Driver from Texas Instruments. It has many advanced features and a high level of integration, and can be used for a variety of applications, from automotive and industrial lighting to consumer electronics.

The LM2758TLX/NOPB is designed to drive one or more low-voltage, constant-current LEDs, including high power LEDs. It can operate over a wide input voltage range of 4.5V to 28V, with a maximum current up to 500mA.

The LM2758TLX/NOPB comes with an integrated switching frequency of up to 500kHz, allowing efficient operation at low output voltage. This allows the driver to be used with high power LEDs or higher-voltage LEDs. The LM2758TLX/NOPB also has built-in over-temperature and short-circuit protection.

The LM2758TLX/NOPB features an advanced PWM dimming input for software dimming control. This allows the driver to be used in any lighting application. The driver also features an enable pin, which can be used to enable or disable the output.

The LM2758TLX/NOPB is an ideal driver for LED lighting applications, especially high power LED applications. It can be used for architectural lighting, backlighting, and automotive lighting. The high switching frequency, wide input voltage range, high accuracy, and integrated features make the LM2758TLX/NOPB ideal for these applications.

Working Principle:

The LM2758TLX/NOPB operates as a buck converter, reducing the input voltage to a lower and adjustable output voltage, according to the needs of the LED load. The driver employs an internal switch, which is periodically turned on and off to convert the input voltage to the desired output voltage. The frequency at which the switch operates is set by the switching frequency control pin, which can be adjusted between 100kHz and 500kHz.

Additionally, the LM2758TLX/NOPB has an adjustable soft-start feature, which allows for a smooth start-up of the LED load. The soft-start feature is also used to limit inrush current when the driver is enabled.

The LM2758TLX/NOPB also features an advanced PWM dimming input for software dimming control. This allows the driver to be used with dimmable lights and energy-saving applications. The PWM dimming input can accept any frequency from 10kHz to 32kHz, and can be used to control the brightness of the LED load.

The LM2758TLX/NOPB also includes over-temperature, current-limit, and short-circuit protection to ensure safe operation of the driver. The driver also incorporates a enable pin, which can be used to enable or disable the output.

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