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MP2158A Folha de dados(PDF) 1 Page - Monolithic Power Systems |
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MP2158A Folha de dados(HTML) 1 Page - Monolithic Power Systems |
1 / 14 page MP2158A 1A, 6V, 1.5MHz, 17μA IQ, COT Synchronous Step-Down Converter in Ultra-Small 2x1.5mm QFN-8 MP2158A Rev. 1.02 www.MonolithicPower.com 1 6/30/2016 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2016 MPS. All Rights Reserved. The Future of Analog IC Technology DESCRIPTION The MP2158A is a monolithic step-down, switch-mode converter with built-in internal power MOSFETs. It achieves 1A of continuous output current from a 2.5V to 6V input voltage with excellent load and line regulation. The output voltage can be regulated as low as 0.6V. The constant-on-time control scheme provides fast transient response and eases loop stabilization. Fault condition protection includes cycle-by-cycle current limiting and thermal shutdown. The MP2158A is available in a small QFN-8 (1.5mmx2mm) package and requires only a minimal number of readily available, standard, external components. The MP2158A is ideal for a wide range of applications, including high-performance DSPs, FPGAs, PDAs, and portable instruments. FEATURES Very Low IQ of 17μA Default 1.5MHz Switching Frequency 1.5% VFB Accuracy EN and Power Good for Power Sequencing Wide 2.5V to 6V Operating Input Range Output Adjustable from 0.6V Up to 1A of Output Current 100% Duty Cycle in Dropout 120mΩ and 90mΩ Internal Power MOSFET Switches Cycle-by-Cycle Over-Current Protection Short-Circuit Protection with Hiccup Mode Stable with Low ESR Output Ceramic Capacitors Available in a QFN-8 (1.5mmx2mm) Package APPLICATIONS Wireless/Networking Cards Portable Instruments Battery-Powered Devices Low Voltage I/O System Power 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” and “The Future of Analog IC Technology” are registered trademarks of Monolithic Power Systems, Inc. TYPICAL APPLICATION MP2158A AGND PGND FB VIN C1 10 F EN VIN 2.5V to 6V VOUT 1.2V/ 1A SW C2 10 F R1 200k R2 200k PG EN PG OUT L1 1 H |
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Descrição semelhante - MP2158A |
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