MPQ2918 Datasheet (data sheet) PDF





MPQ2918 Datasheet, Step-Down Controller

MPQ2918   MPQ2918  

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The Future of Analog IC Technology DESCR IPTION The MPQ2918 is a high-voltage, s ynchronous, step-down controller that s teps down voltages directly from up to 40V. The MPQ2918 uses pulse-width modul ation (PWM) current control architectur e with accurate cycle-by-cycle current limiting and is capable of driving dual Nchannel MOSFETs. Advanced asynchronou s mode (AAM) enables non-synchronous op eration to optimize lightload efficienc y. The operating frequency of the MPQ29 18 can be programmed by an external res istor or synchronized to an external cl ock for noisesensitive applications. Fu ll protection features include precisio n output over-voltage pro

MPQ2918 Datasheet, Step-Down Controller

MPQ2918   MPQ2918  
tection (OVP), output over-current prote ction (OCP), and thermal shutdown. The MPQ2918 is available in TSSOP20-EP and QFN-20 (3mmx4mm) packages. TYPICAL APPL ICATION MPQ2918 4V - 40V Input, Curren t Mode, Synchronous, Step-Down Controll er AEC-Q100 Qualified FEATURES  Wide 4V to 40V Operating Input Range  Du al N-Channel MOSFET Driver  0.8V Vol tage Reference with ±1.5% Accuracy Ove r Temperature  Low Dropout Operation : Maximum Duty Cycle at 99.5%  Progr ammable Frequency Range: 100kHz - 1000k Hz  External Sync Clock Range: 100kH z - 1000kHz  180° Out-of-Phase SYNC O Pin  Programmable Soft Start (SS)  Power Good (PG) Output Voltage Moni tor  Selectable Cycle-by-Cycle Curre nt Limit  Output Over-Voltage Protec tion (OVP)  Over-Current Protection (OCP)  Internal LDO with External Po wer Supply Option  Programmable Forc ed CCM and AAM  Available in TSSOP20 -EP and QFN-20 (3mmx4mm) Packages  A vailable in a Wettable Flank Package Available in AEC-Q100 Grade-1 APPLICA TIONS  Automotive  Industrial Con trol Systems All MPS parts are lead-fre e, halogen-free, and adhere to the RoHS directive. For MPS green status, pleas e visit the MPS website under quality a ssurance. “MPS” and “The Future o f Analog IC Technology” are registered trademarks of Monolithic Power Systems, Inc. MPQ2918 Rev.








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