MP2238GD-Z Monolithic Power Systems

MP2238 High-Efficiency, 8A, 18V, Synchronous Step-Down Converter DESCRIPTION FEATURES The MP2238 is a high frequency, synchronous, Wide 4.2V to 18V Operating Input Range rectified, step-down switch-mode converter. It 8A Continuous Output Current offers a fully integrated solution to achieve an 22m/10m Low R Internal Power DS(ON) 8A continuous output current with excellent load MOSFETs and line regulation over a wide input supply Default 600mV Reference Voltage range. Adjustable Output Voltage 600kHz Switching Frequency Constant-on-time (COT) control operation Ton Extension provides fast transient response. Full protection features include hiccup over-current protection Hiccup OCP Protection and thermal shutdown. Thermal Shutdown Protection Available in a 12-Pin QFN 2mmx3mm The MP2238 requires a minimal number of Package readily available, standard, external components with a space-saving 12-pin QFN APPLICATIONS 2mmx3mm package. Flat-Panel Television and Monitors Digital TV Power Supply Digital Set-Top Boxes Distributed Power Systems General Consumer All MPS parts are lead-free, halogen free, and adhere to the RoHS directive. For MPS green status, please visit the MPS website under Quality Assurance. MPS, the MPS logo, and Simple, Easy Solutions are trademarks of Monolithic Power Systems, Inc. or its subsidiaries. TYPICAL APPLICATION Efficiency V = 1V, L = 0.68H, DCR = 3.1m OUT 100 95 90 85 80 75 70 65 Vin=5V 60 Vin=12V 55 Vin=18V 50 0.01 0.1 1 10 LOAD CURRENT (A) MP2238 Rev. 1.0 www.MonolithicPower.com 1 4/23/2019 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. 2019 MPS. All Rights Reserved. EFFICIENCY (%)MP2238 8A, 18V, SYNCHRONOUS STEP-DOWN CONVERTER ORDERING INFORMATION Part Number* Package Top Marking MP2238GD QFN-12 (2mmx3mm) See Below * For Tape & Reel, add suffix Z (e.g. MP2238GDZ). TOP MARKING BGB: Product code of MP2238GD Y: Year code WW: Week code LLL: Lot number PACKAGE REFERENCE TOP VIEW QFN-12 (2mmx3mm) MP2238 Rev. 1.0 www.MonolithicPower.com 2 4/23/2019 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. 2019 MPS. All Rights Reserved.