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UR5595 Datasheet PDF

Unisonic Technologies UR5595

UR5595 is a linear bus termination regulator designed to meet JEDEC SSTL-2 and SSTL-3 (Stub Series Terminated Logic) specifications for termination of DDR-SDRAM. The device contains a high-speed operational amplifier to provide excellent response to the load transients, and can deliver 1.5A continuous current and transient peaks up to 3A in the application as required for DDR-SDRAM termination. With an independent VSENSE pin, the UR5595 can provide superior load regulation.
Part No. UR5595
Datasheet UR5595 Download
Manufacturer
Unisonic Technologies
Description DDR TERMINATION REGULATOR
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UR5595 datasheet page 1 preview

DESCRIPTION

The UTC The UR5595 provides a VREF output as the reference for the application of the chipset and DIMMs. The output, VTT, is capable of sinking and sourcing current while regulating the output voltage equal to VDDQ/2. The output stage has been designed to maintain excellent load regulation and with fast response time to minimum the transition preventing shoot-through. The UTC UR5595 also incorporates two distinct power rails that separates the analog circuitry (AVIN) from the power output stage (PVIN). This power rail split can be utilized to reduce the internal power dissipation. And this also permits UTC UR5595 to provide a termination solution for DDRII SDRAM.
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FEATURES

* Power regulating with driving and sinking capability * Low output voltage offset * No external resistors required * Low external component count * Linear topology * Low cost and easy to use * Thermal shutdown protection
● ORDERING INFORMATION Ordering Number UR5595G-S08-R UR5595G-SH2-R Package SOP-8 HS...
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