Status: In Production
The MIC4950 is a high-efficiency, 5A 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 MIC4950 provides a switching frequency up to 3.3MHz while achieving peak efficiencies up to 95%. An additional benefit of high-frequency operation is very low output ripple voltage throughout the entire load range with the use of a small output capacitor. The MIC4950 is designed for use with a very small inductor, down to 1μH, and an output ceramic capacitor as small as 10μF without the need for external ripple injection. A wide range of output capacitor types and values can also be accommodated.
The MIC4950 supports safe start-up into a pre-biased output.
The MIC4950 is available in 8-pin SOIC and 10-pin 3mm — 4mm DFN packages with an operating junction temperature range from -40°C to +125°C. The MIC4930 is pin-to-pin compatible with the 5A-rated MIC4950YFL.
This board enables the evaluation of the MIC4950, a fully integrated 5A switching regulator featuring HyperSpeed™ control and Power Good output indication. The MIC4950 is highly efficient throughout the entire output current range, exceeding 95% at5V input to 3.3V output. The MIC4950 provides accurate output voltage regulation under the most demanding conditions and responds extremely fast to a...
For pricing and availability, contact Microchip Local Sales.