Click to expand full text
MIC26903
28V, 9A Hyper Light Load™ Synchronous DC/DC Buck Regulator
SuperSwitcher IIG™
General Description
Features
The Micrel MIC26903 is a constant-frequency, synchronous DC/DC buck regulator featuring adaptive ontime control architecture. The MIC26903 operates over a supply range of 4.5V to 28V. It has an internal linear regulator which provides a regulated 5V to power the internal control circuitry. MIC26903 operates at a constant 600kHz switching frequency in continuous conduction mode and can be used to provide up to 9A of output current. The output voltage is adjustable down to 0.8V.