TPS62300DRCR Datasheet

DC/DC Switching Regulators


The TPS62300DRCR device is a high-frequency synchronous step-down dc-dcconverter optimized for battery-powered portable applications. Intended for low-power applications,the TPS623xx supports up to 500-mA load current and allows the use of tiny, low cost chip inductor and capacitors.The device is ideal for mobilephones and similar portable applications powered by asingle-cell Li-Ion battery or by 3-cell NiMH/NiCd batteries. Withan output voltage range from 5.4V down to 0 device supports the low-voltage TMS320™DSP family, processors in smart-phones,PDAs as wellas notebooks,and hand held computers. TPS62300DRCR Features • Up to 93% Efficiencyat 3-MHz Operation• Up to 500-mA Output Currentat VI=2.7V• 3-MHz Fixed Frequency Operation• Bestin Class Load and Line Transient• Complete 1-mm Component Profile Solution• -0.5%/ +1.3% PWM DC Vol tage Accuracy Over Temperature• 35-ns Minimum On-Time• Power-Save Mode Operation at Light Load Current• Fixed and Adjust able Output Voltage• Only 86-µA Quiescent Current• 100% Duty Cycle for Lowest Dropout• Synchronizable On the Fly to External Clock Signal• Integrated Active Power-Down Sequencing (TPS6232x only)• Available in a10-PinQFN(3 x3mm),8-Pin NanoFree™, and NanoStar™(CSP) PackagingTPS62300DRCR Applications• CellPhones,Smart-Phones• WLANandBluetooth™Applications• MicroDC-DCConverterModules• PDAs,PocketPCs• USB-BasedDSLModems• DigitalCameras


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