MP2467 2.5A, 36V, 500kHz Step-Down Converter The Future of Analog IC Technology DESCRIPTION FEATURES The MP2467 is a high frequency step-down 100 A Quiescent Current switching regulator with integrated internal Wide 6V to 36V Operating Input Range high-side, high voltage power MOSFET. It 150m Internal Power MOSFET provides 2.5A output with current mode control 500kHz Fixed Switching Frequency for fast loop response and easy compensation. Ceramic Capacitor Stable Internal Soft-Start The wide 6V to 36V input range accommodates a variety of step-down applications, including Precision Current Limit without a Current Sensing Resistor those in automotive systems. A 100A operational quiescent current allows use in Up to 95% Efficiency battery-powered applications. Output Adjustable from 0.8V to 30V Available in SOIC8 with Exposed Pad High power conversion efficiency over a wide Packages load range is achieved by scaling down the switching frequency at light load condition to APPLICATIONS reduce the switching and gate driving losses. Game Machines The frequency foldback prevents inductor Automotive Systems current runaway during startup and thermal Industrial Power Systems shutdown provides reliable, fault tolerant Distributed Power Systems operation. Printer Systems The MP2467 is available in thermally enhanced Battery Powered Systems SOIC8 package. All MPS parts are lead-free and adhere to the RoHS directive. For MPS green status, please visit MPS website under Quality Assurance. MPS and The EVALUATION BOARD REFERENCE Future of Analog IC Technology are Registered Trademarks of Monolithic Power Systems, Inc. Board Number Dimensions EV2467DN-00A 1.8X x 1.8Y x 0.4Z TYPICAL APPLICATION C4 100nF Efficiency vs. Load Current 8 100 7 1 BST V OUT V VIN SW IN 90 3.3V D1 80 V =12V IN V =24V 2 4 IN 70 FB EN EN MP2467 60 6 3 50 COMP RSET C3 40 GND 220pF V =3.3V OUT 5 30 0 0.5 1.0 1.5 2.0 2.5 LOAD CURRENT (A) MP2467 Rev. 1.11 www.MonolithicPower.com 1 1/24/2014 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. 2014 MPS. All Rights Reserved. EFFICIENCY (%)MP2467 2.5A, 36V, 500kHz STEP-DOWN CONVERTER ORDERING INFORMATION Part Number* Package Top Marking Free Air Temperature (T ) A MP2467DN SOIC8E MP2467DN 40 C to +85C * For Tape & Reel, add suffix Z (e.g. MP2467DNZ) For RoHS compliant packaging, add suffix LF (e.g. 2467DNLFZ) PACKAGE REFERENCE TOP VIEW SW 1 8 BST EN 2 7 VIN COMP 3 6 RSET FB 4 5 GND (4) (1) Thermal Resistance JA JC ABSOLUTE MAXIMUM RATINGS SOIC8E .................................. 50...... 10... C/W Supply Voltage (V ).......................0.3V to 40V IN Switch Voltage (V )............ 0.3V to V + 0.3V SW IN Notes: BST to SW .....................................0.3V to +5V 1) Exceeding these ratings may damage the device. 2) The maximum allowable power dissipation is a function of the All Other Pins.................................0.3V to +5V (2) maximum junction temperature T (MAX), the junction-to- J Continuous Power Dissipation (T = +25C) A ambient thermal resistance , and the ambient temperature JA .............................................................2.5W T . The maximum allowable continuous power dissipation at A any ambient temperature is calculated by P (MAX)=(T (MAX)- D J Junction Temperature...............................150C T )/ . Exceeding the maximum allowable power dissipation A JA Lead Temperature ....................................260C will cause excessive die temperature, and the regulator will go into thermal shutdown. Internal thermal shutdown circuitry Storage Temperature.............. 65C to +150C protects the device from permanent damage. (3) 3) The device is not guaranteed to function outside of its Recommended Operating Conditions operating conditions. Supply Voltage V ..............................6V to 36V IN 4) Measured on JESD51-7, 4-layer PCB. Output Voltage V .........................0.8V to 30V OUT Operating Junct. Temp (T )..... 40 C to +125 C J MP2467 Rev. 1.11 www.MonolithicPower.com 2 1/24/2014 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. 2014 MPS. All Rights Reserved.