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Exar Corporation

- Exar Corporation delivers highly differentiated silicon, software and subsystem solutions for industrial, datacom and storage applications. For nearly 40 years, Exar's comprehensive knowledge of end-user markets along with the underlying analog, mixed signal and digital technology has enabled innovative solutions that meet the needs of the evolving connected world. Exar's product portfolio includes power management and interface components, communications products, storage optimization solutions, network security and applied service processors. Exar has locations worldwide providing real-time customer support to drive rapid product development. For more information about Exar, visit:

Product Listing View All

Newest Products View All (36)

Image of Exar's XR76203/05/08 Step-Down Regulators

XR76201-03-05-08 Step-Down Regulators

The XR76201, XR76203, XR76205 and XR76208 are synchronous step-down regulators combining the controller, drivers, bootstrap diode, and MOSFETs in a single package for point-of-load supplies.

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Image of Exar's XR7920x 40 V Power Modules

XR79203 and XR79206 40 V Power Modules

Exar’s XR7920x synchronous step-down COT power modules are easy-to-use QFN package while providing high efficiency in a small footprint.

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Image of Exar Corporation's XR34350 Multiprotocol Transceiver and Eval Board

XR34350 Advanced Multiprotocol Transceiver

Exar Corporation introduces their newest advanced transceiver featuring a wide output swing that simplifies industrial designs and supports a broader range of legacy peripherals.

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Image of Exar XR77103-A0R5/A1R0 3 Output Buck Regulator

XR77103A0R5/A1R0 Universal PMIC 3-Output Buck Regulators

The XR77103-A0R5 and XR77103-A1R0 from Exar are 3-output, synchronous buck regulators with an input-voltage range of 4.5 V to 14 V.

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Image of Exar Corporation's XR33202 High-Performance Transceiver

XR33202 High-Performance Transceiver

Exar offers the XR33202, RS-485/RS-422, high-performance transceiver with wide 3.0 V to 5.5 V supply operation, 1.65 V-5.5 V I/O interface in a 3 mm x 3 mm, 10-pin, DFN package.

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Image of Exar's XR32430/XR32431 Transceivers

XR32430/XR32431 3-Driver/5-Receiver RS-232 Transceivers

Exar's 3-driver/5-receiver RS-232 transceivers in small 5 x 5 mm QFN packages, XR32431 includes a logic interface that allows backplane interface supply to be lowered to match the FPGA.

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Product Training Modules View All (15)

PowerBlox Family of Voltage Regulators

PowerBlox Family of Voltage Regulators

Duration: 8 minutes

Learn about Exar's family of synchronous buck regulators comprised of the controller, drivers, bootstrap diode, and MOSFETs in a single package for point-of-load supplies.

Feedback Amps

Understanding and Using Current Feedback Amplifiers

Duration: 5 minutes

Examination of the differences between current and voltage feedback amplifiers and discussion of the advantages and disadvantages of both topologies.

XRP9710/11 Family of Programmable Multi-Rail Power Modules

XRP9710/11 Family of Programmable Multi-Rail Power Modules

Duration: 5 minutes

Take away the time, expense, and worry of power management system design and implementation with the XRP9710/11 power modules.

Digital Details of the XRP7714 Family

Part 3: Digital Details of the XRP7714 Family

Duration: 15 minutes

The third installment in a series about Exar’s PowerXR Digital Power Controllers.

Featured Videos View All (14)

XRUSB1 software driver simplifies legacy COM port support for USB UARTs in Windows

With serial ports disappearing from PCs/laptops while the number of USB ports are increasing, serial (COM) port designs are migrating to USB UART solutions.

Power Architect™ 5 reduces engineering time and effort in power system bring-up

Exar's Power Architect 5 is intuitive, easy to use tool that supports entire family of programmable PMICs. With this tool, a user can configure a device to fit any application in minutes.

Design 10A, 15A or 20A DC/DC converters in seven simple steps

Exar's fully integrated power modules allow you to complete a power supply design in 7 simple steps. Power Modules integrate the control, MOSFETs, inductor and high frequency capacitors to greatly simplify the design of a DC/DC converter.

PowerXR Capacitor Optimization

PowerXR Capacitor Optimization

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