NCP1421DMR2G - onsemi

Description: High Efficiency: 94% for 3.3 V Output at 200 mA from 2.0 V Input 84% for 3.3 V Output at 500 mA from 2.5 V Input; High Switching Frequency, up to 1.2 MHz (Not Hitting Current Limit); True-Cutoff Function Reduces Device Shutdown Current to typically 50nA ; Anti-Ringing Ring-Killer for Discontinuous Conduction Mode; High Accuracy Reference Output, 1.2V 1 1.5%, can supply 2.5mA Loading Current when VOUT > 3.3V; Low Quiescent Current of 8.5 µA; Integrated Low-Battery Detector; Open Drain Low -Battery Detector O