LM2705MF-ADJ

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The LM2705MF-ADJ is a PMIC (Power Management Integrated Circuit) - LED driver that can be used in numerous applications due to its adjustable current level and wide operating temperature range. The LM2705MF-ADJ is capable of driving up to 7 different LED channels using a single chip and can both accept and provide PWM signals. This makes it perfect for applications like mobile phones, tablets, automotive systems and more.

The LM2705MF-ADJ works by using a power MOSFET to regulate the current flow through the LED. This is done by adjusting the gate voltage of the MOSFET. The LED current level can be adjusted by varying the gate voltage level, allowing for different current levels to be produced. The device also provides a fault indication output for open circuit, over temperature and over voltage protection.

The LM2705MF-ADJ also has an enable pin which activates or deactivates the LED driver by switching off the power MOSFET. This pin can be controlled either by an external control signal or by an internal operational amplifier in order to provide combinations of grey scale or dimming levels. The device also comes with an adjustable slope compensation pin that allows it to remain stable during load transients and to provide a smooth dimming level.

The LM2705MF-ADJ has a wide operating temperature range of -40°C to +125°C and a wide output voltage range of 3V to 18V across all output channels. The device also features a selectable PWM/PFM, allowing it to be used in applications where high efficiency is required. This makes the device perfect for applications like automotive lighting and automotive displays.

The LM2705MF-ADJ is a great solution for applications requiring multiple, adjustable channels of LED power with a wide temperature range and robust short circuit protection. The adjustable slope compensation allows the device to remain stable under load transients and to provide a smooth dimming level. The wide operating temperature range and wide output voltage range make the LM2705MF-ADJ an ideal choice for applications like mobile phones, tablets, automotive systems and more.

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