2 MHz, Synchronous Boost DC-to-DC Converters Features: Up to 96% efficiency 0.8 V to VOUT input voltage range Low 0.9 V input start-up voltage 1.8 V fixed output voltage 23 μA quiescent current Synchronous rectification Fixed pulse-width modulation (PWM) and light load pulse frequency modulation (PFM) mode options True shutdown output isolation Internal soft start, compensation, and current limit 2 mm × 2 mm, 6-lead LFCSP Compact solution size