AUIRF7103QTR Discrete Semiconductor Products

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The AUIRF7103QTR, or advanced ultra-low RDS(on) advanced high-side and low-side, power MOSFET driver, is a universal power MOSFET driver designed to drive both N-channel and P-channel power MOSFETs up to a 200V load. Developed by Fairchild Semiconductor, the AUIRF7103QTR can provide high-side and low-side FETs for a wide variety of applications, including power amps, motor drives, controllers and more.

The AUIRF7103QTR\'s combination of high-side and low-side drivers allows for the use of a single device to control both on and off operations with the support of a wide 3.2V–5.5V input voltage range. Onboard features that further enhance the device\'s functional versatility include integrated protection features, such as under-voltage lockout and overload protection, that help protect the device from accidental damage and unauthorized operation. By using these features, designers can feel assured that the device is protected even in the event of an abnormally high-voltage load.

In terms of its technology and architecture, the AUIRF7103QTR is a dual-channel power MOSFET driver with each channel configured as an inverter. The two channels can be connected in series or in parallel, when two-pair power MOSFETs are used. By connecting the two channels in parallel, an effective on/off switch is created which can be used to drive either single or multiple power MOSFETs. Each channel uses an independent drive circuit, with an adjustable current limit, to drive the gate input of the MOSFET. The drive circuit is designed to protect the MOSFET from excessive currents, thus preventing the MOSFET gate from overloading. The power supply for the channels is provided by the AUIRF7103QTR.

In terms of its application field, the AUIRF7103QTR is most commonly used in applications that require high power control and high-speed switching. Its dual-channel architecture makes it ideal for applications that require both high current and high voltage loads, such as switch applications, motor drives, LED drivers, and more. In addition, the AUIRF7103QTR\'s onboard protection features make it suitable for use in applications where there is a risk of overloading or in environments where high power switching is required.

In summary, the AUIRF7103QTR is a high-side and low-side power MOSFET driver that can provide current and voltage protection for applications using power MOSFETs, and is suitable for a wide variety of applications, from switch applications to motor drivers and more. The device is designed to provide reliable operation and protection, making it ideal for applications that require a great degree of protection.

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