Typical Application Circuit for NCP1400ASN19T1G, 100 mA, Fixed Frequency PWM Step-Up Micro-power Switching Regulator. The NCP1400A series are Micro-power step-up DC to DC converters that are specifically designed for powering portable equipment from one or two cell battery packs. These devices are designed to startup with a cell voltage of 0.8V and operate down to less than 0.2V
