LT8391HUFD#PBF

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LT8391HUFD#PBF, a power management integrated circuit (PMIC) which specializes in LED drivers, is designed for various applications including general lighting and display applications. This PMIC has a wide range of input voltages and can power high-power LEDs in series, giving it high efficiency and thus making it suitable for applications with a wide range of LED(s) power. The LT8391HUFD#PBF consists of a N-channel MOSFET boost regulator and a white LED driver.

The boost regulator of the LT8391HUFD#PBF operates in two modes depending on the number of LEDs in the series. It is optimized for low ripple, has a 0.3Ω internal switch, offers a high efficiency of up to 95%, supports wide input voltage range of 1.5 V - 18V, and can drive up to 1.2A output current.

The LED driver of the LT8391HUFD#PBF has a low voltage drop of typically 0.1V, programmable LED dimming via I2C or PWM, programmable switching frequency up to 1.2MHz, built-in OVP and OTP protection, and adjustable/fixed current mode operation. It can also be configured for dimming up to 3 LEDs in series with up to 8 current steps for each LED.

In summary, the LT8391HUFD#PBF is well suited for applications where a reliable and efficient solution is required. It can provide high power up to 9W with low synchronous switching frequency and low components count, while still providing wide input voltage range and the ability to dim LEDs via OVP. This PMIC is a great choice for general lighting and display applications.

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