AIC1383

AIC1383 1.5A Termination Regulator FEATURES 1.5A Source and Sink Current Ability Support DDR1 (1.25VTT) and DDR2 (0.9VTT) Requirements Low Output Voltage Offset, ±20mV High Accuracy Output Voltage at Full-Load Adjustable VOUT by External Resistor Low External Component Count Current Limit protection Thermal Protection SOP-8 Package APPLICATIONS Mother Board Graphic Cards DDR Termination Voltage Supply DESCRIPTION AIC1383 linear regulator is designed to achieve 1.5A source and sink current while regulating an output voltage to within 25mV. AIC1383 converts voltage supplies range from 1.6V to 6V into an output voltage that adjusts by two external voltage divider resistors. It provides an excellent voltage source for active termination schemes of high-speed transmission lines as those seen in high-speed memory buses, and it meets the JEDEC SSTL2 and SSTL-3 specifications for termination of DDR-SRAM. Built-in current limiting in source and sink mode, with thermal shutdown provide maximal protection to the AIC1383 against fault conditions. TYPICAL APPLICATION CIRCUIT VIN=2.5V CIN 470µF + R1 100K 1 VIN 2 GND 8 VCNTL 7 VCNTL EN CES7002A C1 R2 100pF 100K 3 VREF 6 VCNTL VOUT=1.25V 4 VOUT 5 VCNTL + COUT AIC1383 220µF VCNTL=3.3V + CCNTL 47µF Analog Integrations Corporation Si-Soft Research Center 3A1, No.1, Li-Hsin Rd. I, Science Park, Hsinchu 300, Taiwan, R.O.C. TEL: 886-3-5772500 FAX: 886-3-5772510 www.analog.com.tw DS-1383P-02 010405 1 AIC1383 ORDERING INFORM...