MP20075 3A, 1.05V3.6V DDR2/3/3L/4 Memory Termination Regulator The Future of Analog IC Technology DESCRIPTION FEATURES VDDQ Voltage Range: 1.05V to 3.6 V The MP20075 precision DDR2/3/3L/4 Up to 3A Integrated Sink/Source Linear termination LDO regulator features a precision Regulator with Accurate VREF/2 Divider VREF/2 tracking voltage for accurate Reference for DDR2/3/3L/4 Termination termination. The VTT-LDO output can Requires Only 20 F Ceramic Output sink/source up to 3A. Capacitance The MP20075 maintains a fast transient Drive Voltage: 3.3V response only requires 20 F (2x10 F) ceramic 1.05V Input (VDDQ) Helps Reduce Total output capacitance. The MP20075 supports Power Dissipation Kelvin sensing. Integrated Divider Tracks VREF for The MP20075 is available in the 8-pin MSOP accurate VTT and VTTREF Output Voltage o with Exposed PAD and is specified from 40 C Kelvin Sensing (VTTSEN) o to 85 C. 30mV Accuracy for VTT 18mV Accuracy for VTTREF Built-In Soft-Start, UVLO and OCL Thermal Shutdown APPLICATIONS Notebook DDR2/3/3L/4 Memory Supply and Termination Voltage in ACPI Compliant Systems Active Termination Bus All MPS parts are lead-free and adhere to the RoHS directive. For MPS green status, please visit MPS website under Products, Quality Assurance page. MPS and The Future of Analog IC Technology are registered trademarks of Monolithic Power Systems, Inc. TYPICAL APPLICATION MP20075 Rev. 1.2 www.MonolithicPower.com 1 7/15/2013 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. 2013 MPS. All Rights Reserved. MP20075 3A, 1.05V-3.6V INPUT, DDR2/3/3L MEMORY TERMINATION REGUALTOR ORDERING INFORMATION Part Number* Package Top Marking Free Air Temperature (T ) A MSOP8E MP20075DH 20075 -40 C to +85 C * For Tape & Reel, add suffix Z (e.g. MP20075DHZ) For RoHS Compliant Packaging, add suffix LF (e.g. MP20075DHLFZ) PACKAGE REFERENCE TOP VIEW DDQ 1 8 VTTREF VTT 2 7 EN GND 3 6 REF VTTSEN 4 5 VDRV EXPOSED PAD ON BACKSIDE (1) (4) ABSOLUTE MAXIMUM RATINGS Thermal Resistance JA JC o Supply Voltage V ........................ -0.3V to 3.6V MSOP8E.................................. 50...... 12... C/W DDQ Drive Voltage VDRV..................... -0.3V to 6.0V Notes: All Other Pins................................ -0.3V to 6.0V 1) Exceeding these ratings may damage the device. (2) 2) The maximum allowable power dissipation is a function of the Continuous Power Dissipation (T = +25C) A maximum junction temperature T(MAX), the junction-to- J ...........................................................1.56W ambient thermal resistance , and the ambient temperature JA o T . The maximum allowable continuous power dissipation at A Junction Temperature...............................150 C o any ambient temperature is calculated by P (MAX)=(T (MAX)- D J Lead Temperature ....................................260 C T )/ . Exceeding the maximum allowable power dissipation A JA o o Storage Temperature .............. -50 C to +150 C will cause excessive die temperature, and the regulator will go into thermal shutdown. Internal thermal shutdown circuitry (3) protects the device from permanent damage. Recommended Operating Conditions 3) The device is not guaranteed to function outside of its operating Drive Voltage VDRV.................... 3.0V to 3.5V conditions. o o 4) Measured on JESD51-7 4-layer board. Operating Junct. Temp (T ) .......-40 C to +125 C J MP20075 Rev. 1.2 www.MonolithicPower.com 2 7/15/2013 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. 2013 MPS. All Rights Reserved.