LX1990ILM

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The LX1990ILM is one of the most widely used LED drivers in the PMIC - LED Drivers category. It can be used in a range of applications, including backlighting, LED displays, and LED lighting. The device offers superior accuracy, an extremely low ripple current, and excellent load regulation.

The LX1990ILM uses an inductor-based circuit to control the output current. The device has two sets of linear regulation loops, one for each half-bridge. The controller senses the output current of each bridge and controls the current through a closed loop. The output current is controlled by an external sensing resistor that is set by the user.

The LX1990ILM also features a programmable soft-start feature, which provides a slow ramp-up of output current when the device is first powered up. This feature helps to reduce inrush currents, thereby increasing system reliability and efficiency. Additionally, the device has adjustable OVP (overvoltage protection) and OCP (overcurrent protection) features for enhanced system protection. Additionally, the device features reverse current protection to help prevent damage to the LED during abnormal conditions.

In addition to these features, the LX1990ILM also has a wide range of PWM dimming levels that can be used to control the brightness of the output. This feature is particularly useful in situations where the output current needs to be adjusted quickly and precisely. Furthermore, the device offers a wide range of operating temperature ranges, allowing it to be used in extreme environmental conditions. All of these features make the LX1990ILM an ideal choice for any PMIC - LED Drivers application.

In summary, the LX1990ILM is a highly reliable device, offering a comprehensive set of features and benefits. It can be used in a range of applications, including backlighting, LED displays, and LED lighting. The device has superior accuracy, ultra low ripple current, and offers a wide range of PWM dimming levels. Additionally, its adjustable OVP, OCP, and reverse current protection features make it an ideal choice for any PMIC - LED Drivers application.

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