LX1991ILQ

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The LX1991ILQ device is a power management integrated circuit (PMIC) LED driver which offers an adjustable output current of up to 200mA. The device offers a wide range of features and capabilities for driving LEDs, such as high efficiency, small package size and programmable current limit. The device consists of several components, including a low-dropout (LDO) voltage regulator, DC-DC converter, LED driver, and thermal protection circuit. The LDO voltage regulator is designed to provide a stable power source for LED driving, while the DC-DC converter is designed to control the LED current by varying the voltage across the LED. The LED driver provides programmable current limit, allowing the user to adjust the desired LED current. In addition, the driver is also capable of autobrightness adjustment, which dynamically changes the LED brightness according to the ambient light level. Furthermore, the device also provides protection against over-voltage and over-temperature, ensuring the highest level of safety. The thermal protection circuit is designed to ensure the safe operation of the device in high temperature environments, such as those found in some outdoor lighting applications. The LX1991ILQ is an ideal solution for driving LEDs in a wide range of applications, including street and area lighting, Industrial, automotive and medical. It provides superior performance, low power loss and high efficiency, making it a cost-effective and reliable solution for driving high power LEDs.

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