SLVSAF7C September 2010 – April 2019 TPS61251
The power supply can be a three-cell alkaline, NiCd or NiMH battery, or a one-cell Li-Ion or Li-polymer battery. The input supply should be well regulated with the rating of the TPS61251 device. If the input supply is located more than a few inches from the device, additional bulk capacitance may be required in addition to the ceramic bypass capacitors. An electrolytic or tantalum capacitor with a value of 47 µF is a typical choice.