MPQ4420 High Efficiency 2A, 36V, Synchronous Step Down Converter AEC-Q100 Qualified DESCRIPTION FEATURES The MPQ4420 is a high-frequency, Wide 4V to 30V Continuous Operating Input synchronous, rectified, step-down, switch-mode Range converter with built-in power MOSFETs. It 36V Input Transient Tolerance for offers a very compact solution to achieve a 2A Automotive Load Dump continuous output current with excellent load 90m/55m Low R Internal Power DS(ON) and line regulation over a wide input supply MOSFETs range. The MPQ4420 has synchronous mode High-Efficiency Synchronous Mode operation for higher efficiency over the output Operation current load range. Default 410kHz Switching Frequency Synchronizes to a 200kHz to 2.2MHz Current-mode operation provides fast transient External Clock response and eases loop stabilization. High Duty Cycle for Automotive Cold-crank Full protection features include over-current Power-Save Mode protection and thermal shut down. Internal Soft-Start The MPQ4420 requires a minimal number of Power Good readily-available standard external components, OCP Protection and Hiccup and is available in a space-saving 8-pin Thermal Shutdown TSOT23 package. Output Adjustable from 0.8V Available in an 8-pin TSOT-23 package Available in AEC-Q100 Grade 1 APPLICATIONS Automotive Industrial Control System Distributed Power Systems 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 Future of Analog IC Technology are Registered Trademarks of Monolithic Power Systems, Inc. TYPICAL APPLICATION MPQ4420 Rev. 1.01 www.MonolithicPower.com 1 5/17/2018 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. 2018 MPS. All Rights Reserved. MPQ4420 36V, 2A SYNCHRONOUS STEP-DOWN CONVERTER ORDERING INFORMATION Part Number* Package Top Marking MPQ4420GJ TSOT23-8 See Below MPQ4420GJ-AEC1 TSOT23-8 * For Tape & Reel, add suffix Z (e.g. MPQ4420GJZ) TOP MARKING AFP: product code of MPQ4420GJ and MPQ4420GJ-AEC1 Y: year code PACKAGE REFERENCE TSOT23-8 MPQ4420 Rev. 1.01 www.MonolithicPower.com 2 5/17/2018 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. 2018 MPS. All Rights Reserved.