NCP1421 Datasheet | onsemi

Key Features

• High Efficiency: 94% for 3.3 V Output at 200 mA from 2.5 V Input 88% 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)
• Output Current up to 600 mA at VIN = 2.5 V and VOUT = 3.3 V
• True-Cutoff Function Reduces Device Shutdown Current to typically 50 nA
• Anti-Ringing Ring-Killer for Discontinuous Conduction Mode
• High Accuracy Reference Output, 1.20 V $1.5%, can Supply 2.5 mA Loading Current when VOUT > 3.3 V
• Low Quiescent Current of 8.5 mA
• Integrated Low-Battery Detector
• Open Drain Low-Battery Detector Output
• 1.0 V Startup at No Load Guaranteed