LX23108LILQ

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The LX23108LILQ is an integrated, high-performance LED driver designed for driving LED\'s in power, backlight and general illumination applications. This LED driver is built upon a high levels of integration that reduces the external components count, increasing reliability, efficiency and reducing the total cost. LX23108LILQ offers a wide range of features, excellent circuit performance and enhanced protection, making it ideal for use in applications requiring high power LED solutions, such as LED signage and lighting, automobile head lamps, luminaires, and many others.

This PMIC (Power Management IC) is integrated with two independent and linear A/D converters and a high voltage PWM (Pulse Width Modulation) current output stage. The LX23108LILQ offers current output range up to 20mA at a supply voltage of 11V, delivering high-efficiency LEDs. The integrated A/D converters enable easy dimming with a Pulse Frequency Modulation (PFM) input. An enable pin helps reduce power consumption when not required.

The LX23108LILQ is designed to provide superior driving capability for multiple LEDs in series or parallel configurations. It integrates slew-rate-controlled current binning, providing constant current output regardless of line or load variations. The device supports up to 8 LEDs for use in a variety of applications. It also contains thermal protection, temperature feedback control and over-voltage protection (OVP), ensuring protection of the external LEDs.

In addition, the LX23108LILQ is designed to be used with high-efficiency, high-brightness LEDs, delivering excellent illumination even at lower voltage. The device features a low EMI (electromagnetic interference) output to ensure compatibility with other equipment in the vicinity. Furthermore, the device complies with safety requirements and is RoHS compliant.

The overall working principle of the LX23108LILQ is to supply a constant current to each LED in series or parallel configurations. The device can accept a 0-10V control signal for dimming control. This signal is converted by the integrated A/D converters, which produce a PWM current based on the control voltage. The control voltage is also used to adjust the output current to the desired setting. The PWM signal is amplified by a high-voltage PWM current output stage, allowing several LEDs to be driven simultaneously.

The LX23108LILQ is an ideal solution for driving LEDs in a variety of applications. It provides excellent power efficiency, low EMI output, and enhanced protection for the external LEDs. The integrated current binning and temperature feedback control further enhance the performance, making it the ideal choice for use in high power LED solutions.

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