LT3475EFE-1#PBF

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The LT3475EFE-1#PBF is a Proportional Constant Voltage/Constant Current Device. It is a member of the LT3475 family of devices, and as a member, can be used to support a variety of applications, including those for driving LEDs. In particular, the LT3475EFE-1#PBF has the advantage of providing a very low quiescent current (1μA) and allowing for a very low dropout threshold. With its low power consumption and low dropout threshold, the LT3475EFE-1#PBF is especially well suited for use in battery operated and other low power applications.

The LT3475EFE-1#PBF is an active low Proportional Constant Voltage and Constant Current LED driver. It is designed to be used in applications such as automotive lighting, signage, backlight, architecture lighting and home appliances. It is designed to deliver up to 600mA of diode current while maintaining a constant current output, regardless of load variations. Furthermore, it is regulated to maintain the voltage regulation even with dynamic load changes.

The working principle of LT3475EFE-1#PBF is fairly straightforward. The device contains an adjustable constant current and constant voltage buck regulator. This combination allows for a very low dropout voltage, and ensures that the LED current stays constant as the load changes. In addition, the device also contains an adjustable current limit that can be adjusted to set the maximum safe current in case of a short circuit.

The LT3475EFE-1#PBF is unique among LED drivers in that it can maintain both constant current and constant voltage. This allows for a higher precision level of control of the LED current. It also helps minimize power dissipated in the LED, making it one of the most efficient LED drivers available.

The LT3475EFE-1#PBF offers several features that make it particularly well-suited for LED driver applications. It has low quiescent current (1μA), making it suitable for battery-powered applications, and its low dropout voltage makes it well-suited for low-power applications. It also offers an adjustable current limit, which can be set to ensure that the maximum safe current is never exceeded.

In conclusion, the LT3475EFE-1#PBF is an excellent choice for PMIC-LED drivers because of its ability to provide both constant current and constant voltage regulation. With its low power consumption and low dropout threshold, the LT3475EFE-1#PBF is well-suited for use in low power applications and battery operated devices. Its adjustable current limit ensures that the maximum safe current is never exceeded, making it one of the most reliable and efficient LED drivers available.

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