Exar

Controls & Controllers

Synchronous Current PFM/PWM Buck Reglator comes in 8-pin SOIC.

Capable of delivering constant output current up to 3 A and operating input up to 18 V, PowerBlox™ XRP7675 synchronous current mode Pulse Frequency Modulation/Pulse Width Modulation (PFM/PWM) step down (buck) voltage regulator suits energy-efficient products requiring constantly-on power supplies. Product is optimized for 5 and 12 V inputs, withÂ- programmable output voltage down to 0.925...

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Controls & Controllers

Step Down Voltage Regulator delivers max load current of 2 A.

With operating input voltage up to 18 V,Â- PowerBlox™ XRP7674 achieves better than 90% efficient conversions for output current as low as 50 mA. Synchronous current mode PFM/PWM buck regulator operates at fixed 340 kHz switching frequency, with output voltage adjustable down to 0.925 V and ±2% accuracy across operating range. Housed in RoHS-compliant, halogen-free...

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Communication Systems & Equipment

RS-232 Transceiver features power conserving design.

Single-driver/single-receiver RS-232 transceiver,Â- SP3221E, integrates AUTO ON-LINE® feature that automatically wakes up unit from shutdown state when RS-232 cable is connected and peripheral device is activated. When not connected or in use, unit automatically shuts down and draws less than 1 µA. Internal charge-pump power supply and driver...

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Communication Systems & Equipment

Power Distribution Switch suits self-powered USB applications.

Delivering 1.0 A of continuous load current on each channel across USB 3.0 interconnections, dual channel XRP2524 independently manages all aspects of V(BUS) power distribution and provides fault protection of host power supply and attached peripherals. Device accepts input voltage from 2.7–6.5 V allowing for operations from 3.3 V and 5 V power rails. Switch seamlessly interfaces with any USB...

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Construction Equipment and Supplies

Programmable LED Driver drives LED currents up to 1.2 A.

Operating from input voltages up to 36 V, Model XRP7613 supports analog and Pulse Width Modulation dimming up to 40 KHz. Non-synchronous step down driver features switching frequency up to 1 MHz and programmable output current from 150 mA to 1.2 A. Selectable LED thermal current fold-back control linearly reduces LED current as temperature rises to ensure continuous lighting. Housed in 8-pin...

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Electrical Equipment & Systems

Programmable Power Management IC comes with development software.

Programmable via IÂ-²C-based, SMBus-compliant serial interface, XRP7724 comes with PowerArchitect™ v5.0 and provides dynamic optimization and customizable configuration through on-board memory. Product comes in 7 x 7 mm TQFN package and, in addition to 5 GPIOs for system control, offers single-input, quad-output, step down switching regulator controller with integrated gate...

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Software

Exar's Exalerator(TM) Software Suite Expands Security Solutions for Cloud and Web Based Applications

New Open Source Suite Enables Customers to Quickly and Easily Add Hardware-Accelerated Security Solutions FREMONT, Calif. -- Exar Corporation (Nasdaq: EXAR) today announced the Exalerator software suite to broaden the use of security in web and cloud applications by simplifying deployment for OEMs and service providers. The Exalerator software suite integrates with Exar's hardware-based security...

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Architectural & Civil Engineering Products

Exar and Freescale Collaborate on Low Standby Power Embedded Processing Solution

Targets Ethernet Enabled Advanced Media Processing Applications FREMONT, Calif. - Exar Corporation (Nasdaq: EXAR) and Freescale have collaborated in the development of a sub-1 watt solution offering lower standby power for enterprise and industrial applications. Energy efficiency has been a worldwide initiative for several years and has recently been accelerated by government regulation. Exar and...

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Controls & Controllers

Low-Noise LDO helps power noise-sensitive RF applications.

Supporting single 1.8-6 V input voltage rail, XRP6272 provides 2 A point-of-load with adjustable output voltage. Product is equally capable of delivering power from as low as 0.7 V for core voltage to 5 V for RF circuitry. Output noise level of 24 Â-µV(RMS), combined with Power Supply Rejection Ratio (PSRR) of 70 dB, makes LDO suited for noise-sensitive applications, while quiescent current...

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