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PRELIMINARY CM3205 DDR VDDQ and Termination Voltage
Regulator
Features
• • • • • • • • • • • • • • • 5A continuous current from VDDQ 1.
8V to 2.
6V adjustable VDDQ output voltage 600-mV typical VDDQ dropout voltage at 5A VTT tracking at 50% of VDDQ Source and sink up to 2A VTT current Excellent load and line regulation, low noise Fast transient response Meets JEDEC DDR-I SDRAM power spec.
Linear
regulator design requires no inductors and has low external component count Integrated power MOSFETs Dual purpose ADJ/Shutdown pin Built-in over-current limit with short-circuit foldback and thermal shutdown for VDDQ and VTT 5mA quiescent current TO252 andTO263 packages for high pe...