MP2351DQ-LF-Z
MP2351DQ-LF-Z Datasheet
The MP2351 is a monolithic step down switch mode converter with a built in internal power MOSFET. It achieves 1.5A continuous output current over a wide input supply range with excellent load and line regulation.
| Part | Datasheet |
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MP2351DQ-LF-Z |
MP2351DQ-LF-Z (pdf) |
| Related Parts | Information |
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MP2351DK-LF-Z |
MP2351DK-LF-Z |
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MP2351DQ-LF-P |
MP2351DQ-LF-P |
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MP2351DK-LF-P |
MP2351DK-LF-P |
| PDF Datasheet Preview |
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| The Future of Analog IC Technology The MP2351 is a monolithic step down switch mode converter with a built in internal power MOSFET. It achieves 1.5A 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, short circuit frequency foldback and thermal shutdown. In shutdown mode the regulator draws 20uA of supply current. The MP2351 requires a minimum number of readily available standard external components. EVALUATION BOARD REFERENCE Board Number EV2351DQ-00A Dimensions 2.3”X 1.5”Y x 0.5”Z MP2351 1.5A, 23V, 1.4MHz Step-Down Converter • 1.5A Output Current • Internal Power MOSFET Switch • Stable with Low ESR Output Ceramic Capacitors • Up to 93% Efficiency • 20uA Shutdown Mode • Fixed 1.4MHz Frequency • Thermal Shutdown • Cycle-by-Cycle Over Current Protection • Wide 4.75V to 23V Operating Input Range • Output Adjustable from 1.23V to 16V • Programmable Under Voltage Lockout • Frequency Synchronization Input • Available in QFN 3mm x 3mm and tiny 10-Pin MSOP Packages • Evaluation Board Available • Distributed Power Systems • Battery Charger • DSL Modems • Pre-Regulator for Linear Regulators “MPS” and “The Future of Analog IC Technology” are Registered Trademarks of Monolithic Power Systems, Inc. INPUT 4.75V - 23V OPEN AUTOMATIC STARTUP OPEN NOT USED C5 10nF IN 9 EN BS SW 5 MP2351 10 SYNC COMP C3 1nF C6 OPEN D1 B220A VOUT 3.3V/1.5A MP2351_TAC_S01 EFFICIENCY % Efficiency vs Load Current 100 VOUT=5V VOUT=2.5V VOUT=3.3V 300 600 900 1200 1500 LOAD CURRENT mA MP2351-EC01 9/21/2007 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. 2007 MPS. All Rights Reserved. MP2351 1.5A, 23V, 1.4MHz STEP-DOWN CONVERTER PACKAGE REFERENCE |
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