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MP2380DN Datasheet(PDF) 1 Page - Monolithic Power Systems |
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MP2380DN Datasheet(HTML) 1 Page - Monolithic Power Systems |
1 / 11 page MP2380 5A, 21V, 600KHz Step-Down Converter MP2380 Rev.1.2 www.MonolithicPower.com 1 5/26/2008 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. © 2008 MPS. All Rights Reserved. The Future of Analog IC Technology DESCRIPTION The MP2380 is a monolithic step-down switch mode converter with a built in high-side power MOSFET. It achieves 5A continuous output current over a wide input supply range with excellent load and line regulation. Current mode operation provides fast transient response and eases loop stabilization. Fault condition protection includes cycle-by-cycle current limiting and thermal shutdown. The MP2380 requires a minimum number of readily available standard external components and is available in an 8-pin SOIC package with exposed pad. FEATURES • Wide 4.5V to 21V Operating Input Range • 5A Continuous Output Current • 45mΩ Internal Power MOSFET Switch • Power Good Indicator • Fixed 600KHz Frequency • Synchronizable Up to 1.5 MHz • Cycle-by-Cycle Over Current Protection • Thermal Shutdown • Output Adjustable from 0.8V • Stable with Low ESR Output Ceramic Capacitors • Available in a Thermally Enhanced 8-Pin SOIC Package APPLICATIONS • Distributed Power Systems • Battery Charger • Pre-Regulator for Linear Regulators “MPS” and “The Future of Analog IC Technology” are Registered Trademarks of Monolithic Power Systems, Inc. TYPICAL APPLICATION MP2380 SW FB BST 1 5 4 2 GND IN EN/SYNC VOUT 3.3V @ 5A D1 B530C VIN OFF ON PG POWER GOOD VCC VCC 8 7 6 3 100 95 90 85 80 75 70 65 60 55 50 12 45 3 OUTPUT CURRENT (A) VIN=4.5V VIN=12V VOUT=3.3V Efficiency vs Output Current |
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