NCP563SQ27T1

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The NCP563SQ27T1 is a high-performance ultra-low power supply white LED driver. It is a highly integrated solution with both analog and digital interfaces. It provides a high-efficiency, high-accuracy, continuous brightness control for multiple white LEDs. It is part of the PMIC - Voltage Regulators - Linear category.

NCP563SQ27T1 has a wide range of application fields, such as automotive, industrial, and consumer applications. Its main features include:

• Precision input voltage range: 1.2 to 6.0V
• 5V to 20V output voltage range
• High efficiency LED current control loop: up to 94%
• High speed digital pulse-width modulation (PWM) dimmer control
• PWM frequency adjustable from 1500Hz to 20kHz
• Accuracy 0.01% accuracy
• Integrated over temperature protection
• Automatic under voltage lockout circuitry

In addition to its wide range of application fields and built-in features, the NCP563SQ27T1 also features a robust working principle. It uses an integrated buck structure with accelerated startup time to provide a voltage output that is accurately regulated by a sense pin voltage of 0.4V. The LED current is regulated by a linear current regulator designed with a PWM dimmer controlled by an external reference voltage. This allows for precise and continuous control of the LED current. The NCP563SQ27T1 also features integrated MOSFETs for protection against short circuits and over voltage.

The NCP563SQ27T1 also features a low power operation mode to reduce power consumption when in low brightness applications. It provides a low quiescent current of 20 μA while in operation, and can be shut down with a logic low input. This makes the NCP563SQ27T1 suitable for a variety of low power applications.

The NCP563SQ27T1 is a high-performance solution for a wide range of white LED applications. It offers a precise, continuous brightness control and a wide output voltage range, allowing it to be used in multiple lighting applications. It features an integrated buck structure with accelerated startup time, as well as an integrated linear current regulator with PWM dimmer control. In addition, it has integrated MOSFETs for protection against short circuits and over voltage, as well as a low power operation mode to reduce power consumption when in low brightness applications.

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