LT3965IFE#TRPBF

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LT3965IFE#TRPBF is a 6.6V/30A, dual channel Interleaved Synchronous Boost DC/DC converter switch mode PMIC designed for automotive exterior lighting systems. It is specifically designed for driving LEDs in automotive lighting applications such as headlights, fog lights, and taillights.The LT3965IFE#TRPBF is a cost-efficient integrated PMIC for automotive exterior lighting applications. The device operates from a 5.5V to 7V input and is capable of driving up to 124 LEDs in series. It offers excellent performance, with a typical efficiency of over 92%. The integrated high-side gate driver and low-side synchronous gate drivers are both fully protected from over temperature, over voltage, and over current.The device offers high-efficiency integrated LED drivers, which enable improved thermal management for long-term reliability. The integrated short-circuit protection circuit prevents damages to the LED strings due to short-circuiting. The over-temperature protection circuit monitors the junction temperature ensuring a safe thermal management. The LT3965IFE#TRPBF features various dynamic current regulation functions such as PWM dimming control and analog current setting. The PWM dimming control feature allows the user to control the output current of the LED strings in a range from 0mA to 30A. With the analog current setting feature, the output current of the device can be programmed from 0mA to 30A with 0.1A precision.The LT3965IFE#TRPBF offers two synchronized outputs for two independent LED strings. This allows for two different operating modes such as interleaved operating mode and paralleled operating mode. In interleaved operating mode, the input current enables each output to switch at the same time while in paralleled operating mode, the two outputs operate at the same frequency but with different duty cycles. The LT3965IFE#TRPBF is designed to meet the stringent requirements of automotive applications in terms of high efficiency, low ripple, and transient response. The device offers low output ripple allowing for the use of more than one LED string on the same output. The device also features a fast transient response with less than 200ns of turn-on and turn-off delay ensuring fast and clean response. The LT3965IFE#TRPBF is a comprehensive and highly cost-efficient solution for automotive LED lighting applications. It is capable of driving up to 124 LEDs in series with an efficiency of over 92%. The device offers high current outputs, fast transient response and low output ripple with excellent thermal management. It also features various dynamic current regulation functions such as PWM dimming control, analog current setting and two independent outputs for interleaved and paralleled operating modes.

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