Switching regulator allows alkalines to replace NiCds
Brian Huffman
Abstract
A switching regulator that allows Alkalines to replace NiCds is described.
Keywords
Alkaline cell
NiCd
step-up boost type switching regulator
LT1270
In many applications it is desirable to substitute non-rechargeable batteries for chargeable types. This capability is necessary when the NiCds cannot be recharged or long charge times are unacceptable. Alkaline batteries are an excellent choice in this situation. They are readily available and have reasonable energy density. Compared to alkalines, NiCds provide a more stable terminal voltage as they discharge. NiCds decay from 1.3V to 1.0V, while alkalines drop from 1.5V to 0.8V. Replacing NiCds with ...
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