Product GS1663 3V l 5V 1A current efficiency of 94% boost chip synchronous boost IC mk100 3.7V 5V 2.1A output rose 84 percent efficiency synchronous rectification boost IC IC 2.1A synchronous rectification boost mobile power high-current high-current step-2A program boost chip synchronous rectification efficiency up to 94% mk100 widely introduced core source oscillation frequency integrated soft-start function 1MHZ synchronous boost DC / DC converter GS1663. 3A current internal N-channel MOS integrated tube. Range can be used to provide an output voltage up to 5.0V high efficiency boost chip 2.1V (start boost) to the input voltage of 4.2V, ideal for Li-Ion / Polymer or single / multicell alkaline / NiMH battery applications. GS1663 next two alkaline batteries with 3.0V input case 5V output currents up to 1000mA, rectification enables up to 94% efficiency. Or with a single-cell lithium-ion battery 3.7V input conditions under 5V output current up to 2.1A. Achieve up to 84% efficiency at load 2.1A. Chip off the situation under EN work quiescent current to only 50uA, thereby extending battery life in handheld applications time. FD (SOP8) package plus a constant switching frequency of 1MHz minimize both inductor (only 2.2UH or CD54 4.7uH package size) and only 0805 10UF capacitor sizes, providing required in handheld applications footprint Tiny solutions. GS1663 uses the standard FD (SOP-8) lead-free package is now available in large quantities in order to begin. Mk100 Main Products: lithium rechargeable lithium battery management IC double single 8.4V rechargeable lithium-cadmium batteries tweezers mouse ultra-low power IC DC-DC boost regulator IC IC Car Charger Car Charger Car program constant current LED lighting drivers Car Charger IC output with line fill 60V car charger IC high pressure regulator IC lithium battery charge management IC 3.7V 5V high current boost l IC LED Driver IC boost charger IC IC urgent boost charge current regulator IC LED lights Boost Driver IC IC electric toys boost high efficiency DC-DC step-down IC Wide Input high current incandescent lamp driver IC LED flashlight boost IC synchronous rectification IC synchronous buck IC DC / DC step-down IC IC low solar lawn Adjustable output voltage detector IC buck IC touch IC 8 key touch IC 6 key touch IC IC-touch touch touch touch key double bond IC chip 24-key touch IC 36 key touch IC three-terminal regulator IC LDO power supply 40V Buck LDO 22V Buck LDO