NCL30082DDR2G

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NCL30082DDR2G is a part of PMIC’s (Power Management ICs) LEDs driver family. It is a two-cel configurable DC-to-DC boost converter designed for driving white LEDs in a linear mode. It is designed for applications such as cellular handsets, portable equipment, consumer electronics, and medical instruments. It is a highly integrated solution, consuming less board area and power budget. NCL30082DDR2G efficiently manages the power dissipation through its integrated current limit protection and adaptive voltage ranges.

The basic circuit of this driver is that the input power is supplied through the control pins – CE, DET and EN and the output is connected to the LEDs panel. The NCL30082DDR2G has two operating modes – low power operation and high power operation. In low power operation, the driver can supply up to 200mA of current to the connected LEDs. However, in the high power mode, the driver can deliver up to 1A of current to the connected LEDs. The overall range of output current for this driver is adjustable from 0 to 1A.

The NCL30082DDR2G is a multi-phase LED driver with an adjustable LED sink current up to 200mA per channel. It supports the common “LED+” and “LED-” connection scheme, which allows multiple LED modules to be connected directly to the driver without the need for external components. The overall supply impedance is adjustable (1 Ω) using the internal power stage. It supports external dimming functionality and also provides an adjustable soft start, which ensures a gradual and safe illumination of the load.

The NCL30082DDR2G utilizes an adaptive voltage control loop to provide a high dynamic gain. This improves the LED brightness efficiency. It has an adjustable over-temperature protection (OTP) and under-voltage protection (UVP) feature, which guards against high temperature conditions and input voltage drop, respectively. The OTP feature can be adjusted to the temperature range of the device and the UVP feature can detect and shut down the driver during the event of an unexpected low input voltage condition.

To further improve the stability and robustness of the driver, the NCL30082DDR2G adopts a dual-limiter architecture and easy-to-calibrate current regulation. The dual-limiter architecture acts as a failsafe to prevent the output current of the driver from exceeding the specified limit. The adjustable current regulation ensures a precise control of the output current and eliminates the need for manual slew rate current programming.

The NCL30082DDR2G is CE certified and is RoHS compliant. The package size is 9mm x 10mm, making it suitable for applications with small PCBs. It also has an integrated power-on reset (POR) and watchdog timer (WDT) that can be used for protecting the system from malfunctions.

NCL30082DDR2G is a highly efficient, reliable, and low-cost step-up DC-to-DC LED driver that is ideal for driving white LEDs in a linear mode. It is an efficient, robust and easy to use solution, and is suitable for a wide range of applications such as mobile phones, portable equipment, consumer electronics, and medical instruments.

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