MIC33050
Description
Features
The Micrel MIC33050 is a high-efficiency 600m A PWM synchronous buck (step-down) regulator with internal inductor featuring Hyper Light Load, a patent-pending switching scheme that offers best-in-class light load efficiency and transient performance while providing very small external ponents and low output ripple at all loads.
The MIC33050 also has a very-low typical quiescent current of 20µA and can achieve over 85% efficiency even at 1m A.
In contrast to traditional light load schemes, the Hyper Light Load architecture does not trade off control speed to obtain low standby currents and in doing so, the device only needs a small output capacitor to absorb the load transient as the powered device goes from light load to full load.
At higher loads, the MIC33050 provides a constant switching frequency of greater than 4MHz while providing peak efficiencies greater than 93%.
The MIC33050 is available in fixed and adjustable output voltages and es in a 12-pin 3mm x 3mm...
