Microchip High Side 1, High Side Power Switch Power Switch IC 64-Pin, QFN-64

The Microchip MIC28303 is synchronous step-down regulator module, featuring a unique adaptive ON-time control architecture. The module incorporates a DC/DC controller, power MOSFETs, bootstrap diode, bootstrap capacitor and an inductor in a single package. The MIC28303 operates over an input supply range from 4.5V to 50V and can be used to supply up to 3A of output current.

• Stable with low-ESR ceramic output capacitor
• No compensation and no inductor to choose
• 4.5V to 50V input voltage
• Single-supply operation
• Power Good (PG) output
• Low radiated emission (EMI) per EN55022, Class B