LT3964HUHE#PBF

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The LT3964HUHE#PBF is part of Linear Technology’s portfolio of power management integrated circuits (PMICs). The device is specifically designed to drive high brightness LEDs, offering the user a low-cost, high-efficiency solution for powering up to four channels of high-brightness LEDs. The LT3964HUHE#PBF efficiently controls the brightness of the LEDs, providing dimming features, as well as a low-voltage shutdown and full fault detection.

The LT3964HUHE#PBF can be used in a variety of applications including automotive lighting and general purpose backlighting solutions. In automotive lighting, the LT3964HUHE#PBF can be used to power and dim headlights, taillights, side marker lights and equipment lighting. For general purpose backlighting applications, the LT3964HUHE#PBF can be used to power and dim displays from LCD-TVs to medical imaging equipment.

The LT3964HUHE#PBF is designed to provide a high-efficiency, low-cost solution for powering LEDs. The device uses a current-mode circuit architecture optimized for driving high brightness LEDs. A thermal shutdown is integrated for high ratings, and over current protection ensures that the LEDs will not be damaged in the event of a short circuit. The LT3964HUHE#PBF also features short circuit protection and low-voltage shutdown. The current-mode circuit architecture of the device allows it to achieve an efficiency of up to 90%.

The LT3964HUHE#PBF device can be operated in constant current mode or pulse width modulation (PWM) mode. In constant current mode, the output current can be preset using an external resistor to set a fixed value. In PWM mode, the output current is controlled using an external signal, allowing the user to adjust the brightness of the LED as needed. The LT3964HUHE#PBF also includes fault detection to detect any open LED faults, over temperature faults and over voltage faults.

In addition to providing high-efficiency operation and fault detection, the LT3964HUHE#PBF offers a wide range of features such as adjustable current limit and adjustable current slope. These features make it possible to control the output current at any state of illumination, providing density control and color mixing with low voltage adjustments. The device also offers an adjustable short reaction time, allowing the user to optimize the current output for a wide range of applications.

The LT3964HUHE#PBF is a versatile and cost-effective solution for providing high-efficiency LED driving in a wide range of applications. The device’s wide range of features and fault detection capabilities make it suitable for a variety of applications requiring the control of high brightness LEDs. By offering a solution that is both efficient and cost-effective, the LT3964HUHE#PBF is an ideal choice for LED driving applications.

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