Global Mixed-mode Technology에서 제조한 전자 부품 G2997은 전자 산업 및 응용 분야에서 광범위하게 사용되는 반도체 소자입니다.
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PDF 형식의 G2997 자료 제공
G2997 기능 |
DDR Termination Regulator |
Global Mixed-mode Technology |
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PDF 파일안의 텍스트 미리보기
Global Mixed-mode Technology Inc. G2997 DDR Termination Regulator Features General Description The G2997 is a 3A sink/source tracking termination regulator. It is specifically designed for low-cost/ low-external component count systems. The G2997 maintains a high speed operational amplifier that provides fast load transient response and only requires 20µF (2x10µF) of ceramic output capacitance. The G2997 supports remote sensing functions and all features required to power the DDR I / DDR II VTT bus termination according to the JEDEC specification. In addition, the G2997 includes integrateContents of page 4 out of 10 pages :
www.DataSheet4U.com Global Mixed-mode Technology Inc. Typical Performance Characteristics (continued) G2997 VTT Voltage Regulation vs VTT Load Current (DDR I ) 1.27 1.265 1.26 VIN=5.0V VDDQSNS=2.5V VLDOIN=2.5V or 1.8V 1.255 1.25 1.245 1.24 -3 -2 -1 0 1 VTT Load Current (A) 2 3 0.918 VTT Voltage Regulation vs VTT Load Current (DDR II ) 0.912 0.906 0.9 VLDOIN=1.8V 0.894 0.888 0.882 0.876 -3 VLDOIN=1.5V VIN=5.0V VDDQSNS=1.8V VLDOIN=1.2V -2 -1 0 1 2 VTT Load Current (A) 3 1.268 VTTREF Voltage Load Regulation vs VTTREF Load Current (DDR I) 1.264 1.26 1.256 1.252 1.248 1.244 1.24 VIN=5.0V VDDQSNS=2.5V VLDOIN=2.5V 1.236 -10 -8 -6 -4 -2 0 2 4 6 8 10 VTTREF Load Current (mA) 0.918 VTTREF Voltage Load Regulation vs VTTREF Load Current (DDR II ) 0.914 0.91 0.906 0.902 0.898 0.894 VIN=5.0V VDDQSNS=1.8V VLDOIN=1.8V 0.89 -10 -8 -6 -4 -2 0 2 4 6 8 10 VTTREF Load Current (mA) VDDQSNS Current vs Temperature 14 13.5 13 12.5 VIN=5.0V VDDQSNS=2.5V VLDOIN=2.5V 12 11.5 11 10.5 -40 -20 0 20 40 60 80 100 120 140 Temperature (°C) VIN Supply Current vs VTT Load Current 1.2 1.15 1.1 1.05 VIN=5.0V VDDQSNS=1.8V VLDOIN=1.8V 1 0.95 0.9 0.85 0.8 -2 -1.5 -1 -0.5 0 0.5 1 1.5 2 VTT Load Current (A) Ver: 1.1 Jul 06, 2006 TEL: 886-3-5788833 http://www.gmt.com.tw 4
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