LT3796EFE#PBF

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LT3796EFE#PBF is a leading LED driver for power banks, portable audio, outdoor display, and automotive lighting. The device integrates many features into one package, including a maximum voltage of 20V, a continuous output current of 1A, and a wide power range from 0.1 to 35W. It meets the stringent requirements of automotive and consumer electronics applications. The device\'s integrated boost/buck regulator allows users to power LEDs directly from a low voltage source, while the internal short-circuit current limit provides robust protection against overcurrent faults. The LT3796EFE#PBF also allows the user to program the LED brightness and the number of LEDs used.

This LEDDriver integrates two power stages: the boost converter, which boosts low input voltages to higher output voltages; and the buck regulator, which buck high input voltages to lower output voltages. It also includes a current-sense amplifier, short-circuit current limit, open-loop compensator, overvoltage protection, frequency modulation control, and programmable output current limit. All these features combine to provide a very efficient and reliable LEDdriver solution.

The boost converter works by using an energy-storage inductor to store excess energy from the input source and then releasing it to the output stage, so the output voltage can be held at a constant level. The advantage of this approach is that it allows the use of a lower input voltage, which reduces system cost and power consumption. The buck regulator operates differently by utilizing the stored energy to charge the output stage, resulting in a lower output voltage.

The LT3796EFE#PBF includes a programmable output current limit and a current-sense amplifier that senses the output current, and points the appropriate switching FETs when exceeding the programmed current limit. This prevents excessive current from flowing and protects the device from damage due to overcurrent conditions.

The LT3796EFE#PBF also features a wide operating range of 0.5 to 20V, giving the user flexibility in powering their LED applications. Additionally, it uses a constant frequency modulation to adjust LED brightness and the number of LEDs used. This allows the user to program the LED brightness from 0.5 to 20V without the need for additional components or manual calibration.

The LT3796EFE#PBF is an excellent choice for powering LED applications in automotive, consumer electronic, and other applications with stringent requirements. Its integrated boost/buck regulator, current-sense amplifier, short-circuit current limit, and programmable output current limit provide a robust, efficient, and reliable LED driver solution.

In conclusion, the LT3796EFE#PBF LED driver is a versatile solution for LED lighting applications. It is robust, efficient, and reliable, offering a wide operating range, short-circuit and overcurrent protection, and programmable output current limit. This makes it an excellent choice for powering LED applications in automotive, consumer electronic, and other applications with stringent requirements.

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