IRS2168DSTRPBF

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IRS2168DSTRPBF is an integrated, high voltage, high speed driver with eight N-channel power MOSFETs, specifically designed for flyback applications. The device is designed for off-line SMPS and offers an integrated and cost-effective solution for flyback converters. The IRS2168DSTRPBF is particularly suitable for addressing the needs of multiple low power applications in the lighting, ballast controller and switch-mode power supply markets.

The IRS2168DSTRPBF offers a wide range of features that make it suitable for both low and medium power solutions. It includes a Pulse-by-Pulse current limit, an overload and short-circuit protection feature, an input under-voltage lockout (UVLO), and an adjustable operating frequency range of up to 400kHz. In addition, the device incorporates an integrated PWM Controller and an error amplifier, which can be used to regulate the output voltage. The IRS2168DSTRPBF also features an active dry-run protection and a soft-start feature, which can be used to reduce inrush current at start-up.

The device has an operating temperature range from -40°C to +85°C and is available in a 9x9mm VQFN package. This device offers very low quiescent current, low EMI, and minimal external components to reduce PCB board space. It is designed to meet the most stringent requirements for global compliance.

The main application field of the IRS2168DSTRPBF lies within the lighting, ballast controller, and switch-mode power supply market. It is designed for flyback converters and its integrated features allow for a low cost and easy solution for the design of such converters. The device is suitable for use in applications such as street lighting, fluorescent lighting, and LED lighting, as well as in ballast controllers and SMPS.

The working principle of the IRS2168DSTRPBF is based on its integrated PWM controller and error amplifier. The PWM controller controls the MOSFETs in the flyback converter by providing a fixed frequency of operation and pulse-by-pulse current limit. The error amplifier is used to regulate the output voltage of the flyback converter by comparing the output voltage to a reference voltage. When the output voltage rises too high, the error amplifier will reduce the duty cycle of the PWM controller until the output voltage reaches the desired value.

In conclusion, the IRS2168DSTRPBF is an integrated, high voltage, high speed driver with eight N-channel power MOSFETs, which is an ideal solution for Flyback applications in the lighting, ballast controller, and switch-mode power supply markets. It features an integrated PWM controller and error amplifier which enable a simple and cost-effective solution for regulating output voltage.

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