Description

500mA, 1.25MHz Synchronous Step-Up DC/DC Converter in 2mm 2mm DFN Package Features: High Efficiency: Up to 94% 3.3V at 200mA from Two Alkaline Cells 5V at 200mA from a Single Li-Ion Cell Inrush Current Limiting and Soft-Start Output Disconnect in Shutdown 1.8V to 5V VIN Range 1.8V to 5.25V VOUTRange 1.25MHz Fixed Frequency, Low Noise PWM Internal Synchronous Rectifier Logic Controlled Shutdown (<1μA) Anti-Ringing Control Minimizes EMI Tiny External Components Short-Circuit Protection Low Profile (0.75mm × 2mm × 2mm) DFN Package