High Efficiency Ultra Low Quiescent Current DC-DC Converter

Newly released from Nisshinbo is the NC4650 ultra low quiescent current (70nA) boost switching regulator. It is optimal for portable devices powered by coin or button batteries. With high efficiency under light load conditions, it is ideal for intermittent operation applications, ensuring long battery life. The MODE pin enables the selection of "Low Ripple Mode" for improved load transient response and reduced ripple. It is ideal for applications requiring 10 years battery life from one small dry cell or coin battery. Input Voltage Range 0.6V to 5.5V Output Voltage Range 1.8V to 5V (fixed) Switch Current Limit 1A Quiescent Current 70nA Low Ripple Mode 90μA Shutdown Mode 50nA