Exar

Electrical Equipment & Systems

Synchronous Inductive Converter supports USB interfaces.

Series SP6669 delivers up to 600 mA and has output voltage that can be set as low as 0.6 or 1.5 V and 1.8 V for fixed output versions, which can be achieved from any input voltages from 2.5-5.5 V. Device operates at fixed internal switching frequency of 1.5 MHz and -40 to +85°C. Offering 0.4%/V and 0.5% of line and load regulations, it is offered in small form factor that eliminates...

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Backlight LED Driver offers inductive boost capabilities.

Supplied in 2.9 x 2.8 mm SOT23-6 package, SP6699 is suited for space-constrained backlighting applications, such as small displays/keypads in handheld portable devices, where LEDs must be tightly regulated to achieve uniform brightness. It can drive up to 5 series LEDs with only 4 external components and is compatible with PWM dimming up to 1 kHz as well as analog dimming. Able to achieve...

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LED Driver conserves board space in handheld electronics.

Offered in 3 x 3 mm QFN package, SP6887 integrates off-chip functions so that only 5 external components are required. Charge pump-based device offers 4 independently controlled channels and is compatible with PWM dimming up to 1 kHz as well as analog dimming. Though 3-bit parallel interface, unit can enable/dim individual LEDs and is adjustable from 1.1-30 mA with peak efficiencies of 90%....

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Computer Hardware & Peripherals

Exar Extends Market Proven EXstor(TM) Storage Product Family with Two eSATA Compliant Products: 2:1 eSATA Port Selector and 2:2 eSATA Two Port Selector/Multiplier Combo

Unparalleled Power, Performance and Data Integrity at Lowered Bill-of-Materials (BOM) Costs for Consumer and Industrial Applications FREMONT, Calif., March 3 -- Exar Corporation (NASDAQ:EXAR) expanded its storage product family with the addition of two devices the 2:1 eSATA port selector (XRS10L210), and 1:2 port selector/multiplier combo (XRS10L220). These devices, as well as, other members of...

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Electrical Equipment & Systems

Buck Regulator offers 29 V input, 4 A peak output.

Featuring 1% set point accuracy, PowerBlox(TM) SP7656 step-down switching regulator offers adjustable over-current protection, adjustable soft start, under voltage lockout. This non-synchronous buck regulator has 600 kHz switching frequency and integrates Type-II compensation integration. Combining operation over 4.5-29 V range with 0.6 V output voltage capability, dc/dc regulator is suitable as...

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IC can drive high power LEDs up to 2 A.

With 4.5-29 V operating range, Model SP7600 can support most retail and architectural lighting systems that use 12 or 24 V power sources. Single chip switching buck LED driver comes with integrated 100 mW MOSFET in thermally enhanced SO-8 package. It supports PWM dimming up to 1 kHz as well as analog dimming, and features 1.2 MHz operating frequency, minimum on-time of 100 nsec, and -40 to...

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Agricultural & Farming Products

Boost Controllers support LED lighting and dc/dc conversion.

Used for powering large LED arrays, SP7606 can also be used for dc/dc conversion in boost, flyback, Cuk, and SEPIC configurations. Internally compensated 1.2 MHz boost controller is suitable for driving any number of topologies using low side switch. Output feedback disconnect eliminates leakage path from input source during shutdown so that shutdown current is less than 80 Â-µA. Contained...

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Communication Systems & Equipment

Transceiver targets remote data collection applications.

Designed for bidirectional communication on multipoint bus transmission lines, SP4082E 5 V RS-485/RS-422 half duplex transceiver contains 1 differential driver and 1 differential receiver. It supports common-mode voltage range from -7 to +12 V and all RS-485 bus-pins are protected against severe ESD events up to ±15 kV. Up to 256 transceivers may coexist while preserving full signal margin....

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Electrical Equipment & Systems

Octal UARTs support high-data rate requirements.

Supplied in 100-pin QFP, XR16V598 and XR16V698 are 16- and 32-Byte FIFO, integrated, 15 Mbps UARTs that operate from 2.25-3.63 V and are suited for mixed voltage environments. Features include automatic RTS/CTS or DTR/DSR hardware/software flow control, fractional baud rate generator, and global interrupt status register. Requiring only one chip select and one interrupt line per device, products...

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Communication Systems & Equipment

Multi-Channel CDR handles high-speed SONET applications.

Supporting OC-3/OC-12 data transmissions speeds, Model XRT91L34 quad-channel clock and data recovery (CDR) circuit accepts high speed NRZ serial data from LVDS or LVPECL receiver and generates clock signal with same frequency as incoming data. Unit integrates Phase Lock Loop (PLL) technology, and features 4 channels that share single 77.76 or 19.44 MHz reference clock. Available in 128-pin LQFP...

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