IR2166STRPBF

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The IR2166STRPBF is designed to enhance several lighting applications, including ballast controllers, commercial lighting controls and dimming solutions. With its high-voltage, totem-pole NPN output and optically-coupled feedback, this part provides protection against over-voltages, over-currents and short circuits in harsh environments.

The IR2166STRPBF is well-suited for both outdoor and indoor lighting applications, such as street lighting, decorative lighting, area lighting and traffic control lights. The device includes 2 channels capable of driving loads from 6A of peak current in each. The IR2166STRPBF also offers multiple protection features against over-voltages, over-currents and short circuits, as well as latch-free thermal cut off, under-voltage lockout, over-temperature protection, over-current protection and short-circuit protection.

The IR2166STRPBF is powered from a single AC or DC supply and features a logic-controlled shutdown pin for standby mode. This part can be configured to stay always on or be powered-up/down with a logic signal. The device also features an open-drain current limiting indication which can be used as a fault indication to the system.

The IR2166STRPBF operates based on a fixed negative side slope current control method. When this part is powered on, an internal current source develops a predetermined ac current across the source of the power MOSFET and a reference resistor. The power MOSFET observes the current flow and modulates the output voltage of the buck converter in the desired way.

The IR2166STRPBF features a totem-pole output for driving external gate drivers along with an optically-isolated feed back sense, as well as multiple protection features. This part also includes 2 independent channels that can be combined or used as single-ended output devices. It offers various fault flags such as over-voltage, over-current, short-circuit and over-temperature protection.

In sum, the IR2166STRPBF is an ideal device for outdoor and indoor lighting applications, ballast controllers and commercial lighting controls, providing robust protection features and adjustable voltage output for maximum power and efficiency. Additionally, the IR2166STRPBF features a logic-controlled shutdown pin and an external fault indication output for easy integration into your system.

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