LT3754IUH#PBF

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The LT3754IUH#PBF is a configurable, constant-current/constant-on-time (CC/COT) LED Driver designed to drive high-current LEDs that require configurable current and timing characteristics. It facilitates up to 16 high-current LEDs with a dedicated output for each LED. The chip features maximum accuracy over a wide input voltage range through the use of a highly accurate current-sense amplifier coupled with tight external power components.

The LT3754IUH#PBF offers very low shutdown current of less than 1 microamp and quiescent current of about 7 microamps. This makes it suitable for portable and battery-powered applications. The external circuits can be customized and optimized for input voltage, power efficiency, output current and other performance parameters.

The LT3754IUH#PBF can be used to drive high-brightness LED strings in portable applications and displays. It offers fast response and deep dimming. In LED displays, the LED driver can be used to adjust the brightness and color of LEDs without intervention from the host.

The LT3754IUH#PBF makes use of both constant-current (CC) and constant-on-time (COT) control to enable linear dimming with a single control input pin. In CC mode, the output current is constant and the output voltage is adjustable with the control pin. In COT mode, the output voltage is constant and the output current is adjustable with the control pin.

The LT3754IUH#PBF uses open-loop feedback regulation to set and hold the output current over the required range of conditions. It features an integrated voltage-mode slew rate control, which can be adjusted to optimize current delivery under different load conditions. This enables it to maintain accurate current regulation at both low and high load conditions. It also features low noise operation, enabling the device to be used in applications requiring low audible noise.

The LT3754IUH#PBF is a highly efficient LED driver. It incorporates an advanced timing control circuit, which allows the current sink to be switched at very rapid times, thus minimizing power dissipation and improving efficiency. The device also features soft-start and over-current protection. It is suitable for LED drivers that require fast response, accuracy and efficiency in one package.

Overall, the LT3754IUH#PBF is an ideal device for applications requiring wide dimming range, low noise operation and robust protection. It is a highly configurable device that can be tuned to provide optimal performance in terms of output current and voltage across a wide range of operating conditions. It is suitable for a wide range of portable and battery-powered applications.

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