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RT9199GS Scheda tecnica(PDF) 1 Page - Richtek Technology Corporation |
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RT9199GS Scheda tecnica(HTML) 1 Page - Richtek Technology Corporation |
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1 / 13 page  RT9199 1 DS9199-07 September 2007 www.richtek.com Pin Configurations Cost-Effective, 2A Peak Sink/Source Bus Termination Regulator Ordering Information General Description The RT9199 is a simple, cost-effective and high-speed linear regulator designed to generate termination voltage in double data rate (DDR) memory system to comply with the devices requirements. The regulator is capable of actively sinking or sourcing up to 2A peak while regulating an output voltage to within 20mV. The output termination voltage can be tightly regulated to track 1/2VDDQ by two external voltage divider resistors or the desired output voltage can be pro-grammed by externally forcing the REFEN pin voltage. The RT9199 also incorporates a high-speed differential amplifier to provide ultra-fast response in line/load transient. Other features include extremely low initial offset voltage, excellent load regulation, current limiting in bi-directions and on-chip thermal shut-down protection. The RT9199 are available in both SOP-8 and SOP-8 (Exposed Pad) surface mount packages. Features Ideal for DDR-II VTT Applications Sink and Source 2A Peak Current Integrated Power MOSFETs Generate Termination Voltage for DDR Memory Interfaces High Accuracy Output Voltage at Full-Load Output Adjustment by Two External Resistors Low External Component Count Shutdown for Suspend to RAM (STR) Functionality with High-Impedance Output Current Limiting Protection On-Chip Thermal Protection RoHS Compliant and 100% Lead (Pb)-Free Applications Desktop PCs, Notebooks, and Workstations Graphics Card Memory Termination Set Top Boxes, Digital TVs, Printers Embedded Systems Active Termination Buses DDR/II Memory Systems (TOP VIEW) SOP-8 SOP-8 (Exposed Pad) Note : Richtek Pb-free and Green products are : RoHS compliant and compatible with the current require- ments of IPC/JEDEC J-STD-020. Suitable for use in SnPb or Pb-free soldering processes. 100%matte tin (Sn) plating. VIN GND REFEN VOUT VCNTL 2 3 4 5 6 7 8 VCNTL VCNTL VCNTL Package Type S : SOP-8 SP : SOP-8 (Exposed Pad-Option 2) RT9199 Operating Temperature Range P : Pb Free with Commercial Standard G : Green (Halogen Free with Commer- cial Standard) VIN GND REFEN VOUT NC NC NC VCNTL GND 2 3 4 5 6 7 8 9 |
Codice articolo simile - RT9199GS |
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