MIC4930

MIC4930 Hyper Speed Control® 3A Buck Regulator Features Input Voltage: 2.7V to 5.5V 3A Output Current Up To 95% Efficiency Up To 3.3 MHz Operation Safe Start-Up into a Pre-Biased Output Power Good Output Ultra-Fast Transient Response Low Output Voltage Ripple Low RDS(ON) Integrated MOSFET Switches 0.01 μA Shutdown Current Thermal Shutdown and Current Limit Protection Output Voltage as low as 0.7V 3 mm × 4 mm DFN-10L –40°C to +125°C Junction Temperature Range Applications DTVs Set-Top Boxes Printers DVD Players Distributed Power Supplies General Description The MIC4930 is a high-efficiency, 3A synchronous buck regulator with ultra-fast transient response perfectly suited for supplying processor core and I/O voltages from a 5V or 3.3V bus. The MIC4930 provides a switching frequency up to 3.3 MHz while achieving peak efficiencies up to 95%. An additional benefit of high-frequency operation is very low out...