The Micrel MIC26603 is a constant-frequency, synchronous DC/DC buck regulator featuring adaptive on-time control architecture.
HyperLight Load? efficiency - up to 80% at 10mA
Hyper Speed Control? architecture enables
High delta V operation (Vin = 28V and Vout = 0.8V)
Small output capacitance
Input voltage range: 4.5V to 28V
Output current up to 6A
Up to 95% efficiency
Adjustable output voltage from 0.8V to 5.5V
±1% feedback accuracy
Any Capacitor? stable - zero-to-high ESR
600kHz switching frequency
Power Good (PG) output
Foldback current-limit and "hiccup" mode short-circuit protection
Safe start-up into pre-biased loads