LT3475IFE#TRPBF

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LT3475IFE#TRPBF Application Field and Working Principle

The LT3475IFE#TRPBF is a highly-integrated power management integrated circuit (PMIC) that can be used for a variety of LED driver applications. It is an approximately 2mm thick design that can drive LEDs up to 30V, with a large continuous output current of 3.5A. As a result, LT3475IFE#TRPBF is especially suitable for automotive and high-brightness LEDs applications.

Basic Working Principle of LT3475IFE#TRPBF

The LT3475IFE#TRPBF is a PWM controlled buck-boost controller, which means that it converts the DC power into AC power using pulse width modulation (PWM). This PWM-based control circuit consists of a pair of MOSFETs (Metal-Oxide-Semiconductor Field-Effect-Transistors). The MOSFETs act as switches, opening and closing alternately to form a square wave. This square wave is then filtered and smoothed to form an AC output voltage. This AC voltage is then fed to an LED driver circuit, which uses the AC voltage to set the current and the voltage across the LEDs.

Features of LT3475IFE#TRPBF

• Highly integrated power management IC
• Continuous output current of 3.5A
• Wide input voltage range of 3.3V to 30V
• Supports LED dimming via PWM or analog dimming control
• High efficiency due to its unique PWM controller design
• Small size of approximately 2mm making it ideal for automotive applications

Applications of LT3475IFE#TRPBF

Due to its highly-integrated PMIC design and wide input voltage range of 3.3V to 30V, the LT3475IFE#TRPBF is suitable for a wide range of automotive and general lighting applications. It is especially suitable for applications that require high efficiency, high brightness, and wide dimming range. Examples include automotive headlights, high beam and fog lights, indoor and outdoor architectural lighting, industrial wastewater treatment plants and other general lighting applications.

Conclusion

The LT3475IFE#TRPBF is a highly-integrated PMIC designed for a wide range of automotive and general lighting applications. Its wide voltage range, high efficiency, and wide dimming range make it the ideal choice for applications that require high brightness and high efficiency. With its small size, the LT3475IFE#TRPBF is suitable for a variety of tight spaces, making it the perfect solution for automotive and general lighting applications.

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