поискавой системы для электроныых деталей |
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MP2122 датащи(PDF) 1 Page - Monolithic Power Systems |
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MP2122 датащи(HTML) 1 Page - Monolithic Power Systems |
1 / 16 page MP2122 6V, 2A, Low Quiescent Current Dual, SYNC Buck Regulator MP2122 Rev. 1.02 www.MonolithicPower.com 1 6/12/2017 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2017 MPS. All Rights Reserved. The Future of Analog IC Technology DESCRIPTION The MP2122 is an internally-compensated, 1MHz fixed-frequency, dual PWM, synchronous, step-down regulator. The MP2122 operates from a 2.7V-to-6V input, generates an output voltage as low as 0.608V, and has a 45µA quiescent current that makes it ideal for powering portable equipment that runs on a single cell lithium-ion (Li+) battery. The MP2122 integrates dual 80mΩ high-side switches and 35mΩ synchronous rectifiers for high efficiency without an external Schottky diode. Peak-current mode control and internal compensation limits the minimum number of readily-available external components. Fault-condition protections include cycle-by-cycle current limiting and thermal shutdown. The MP2122 is available in an 8-pin TSOT23-8 package. FEATURES Dual 2A-Output Current >93% Peak Efficiency >80% Light-Load Efficiency Wide 2.7V-to-6V Operating Input Range 80mΩ and 35mΩ Internal Power MOSFET 1MHz Fixed Switching Frequency Adjustable Output from 0.608V to VIN 180° Phase-Shifted Operation 100% Duty-Cycle Operation 45µA Quiescent Current Cycle-by-Cycle Over-Current Protection Short-Circuit Protection with Hiccup Mode Thermal Shutdown Available in an 8-pin TSOT23-8 Package APPLICATIONS Small/Handhold Devices DVD Drivers Portable Instruments Smartphones and Feature Phones Battery-Powered Devices All MPS parts are lead-free and adhere to the RoHS directive. For MPS green status, please visit MPS website under Quality Assurance. “MPS” and “The Future of Analog IC Technology” are Registered Trademarks of Monolithic Power Systems, Inc. TYPICAL APPLICATION COUT1 22µF R1 806kO IN EN1 EN2 SW1 SW2 GND FB1 FB2 CIN 22µF R2 412kO R3 806kO R4 825kO COUT2 22µF VIN 5V VOUT1 1.8V VOUT2 1.2V MP2122 L1 1.5uH L2 1.5uH EN1 EN2 30 40 50 60 70 80 90 100 0.01 0.1 1 10 |
Аналогичный номер детали - MP2122 |
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Аналогичное описание - MP2122 |
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