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7440530047 データシート(PDF) 1 Page - Monolithic Power Systems |
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7440530047 データシート(HTML) 1 Page - Monolithic Power Systems |
1 / 9 page MP2359 1.2A, 24V, 1.4MHz Step-Down Converter in a TSOT23-6 MP2359 Rev. 1.1 www.MonolithicPower.com 1 6/23/2006 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. © 2006 MPS. All Rights Reserved. The Future of Analog IC Technology TM TM DESCRIPTION The MP2359 is a monolithic step-down switch mode converter with a built-in power MOSFET. It achieves 1.2A peak 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 MP2359 requires a minimum number of readily available standard external components. The MP2359 is available in TSOT23-6 and SOT23-6 packages. EVALUATION BOARD REFERENCE Board Number Dimensions EV2359DJ-00B 2.1”X x 1.9”Y x 0.4”Z FEATURES • 1.2A Peak Output Current • 0.35Ω Internal Power MOSFET Switch • Stable with Low ESR Output Ceramic Capacitors • Up to 92% Efficiency • 0.1µA Shutdown Mode • Fixed 1.4MHz Frequency • Thermal Shutdown • Cycle-by-Cycle Over Current Protection • Wide 4.5V to 24V Operating Input Range • Output Adjustable from 0.81V to 15V • Available in TSOT23-6 and SOT23-6 Packages APPLICATIONS • Distributed Power Systems • Battery Charger • Pre-Regulator for Linear Regulators • WLED Drivers “MPS” and “The Future of Analog IC Technology” are Trademarks of Monolithic Power Systems, Inc. TYPICAL APPLICATION MP2359 SW FB BST GND IN EN 1 6 3 2 4 5 VOUT 3.3V @ 1.2A CB 10nF D1 B230A VIN 12V OFF ON Efficiency vs Load Currents VIN = 12V VIN = 24V VOUT = 5V 100 90 80 70 60 50 40 30 20 10 0 LOAD CURRENT (A) 0.01 0.1 1 10 |
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同様の説明 - 7440530047 |
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