small battery life extender

Discussion in 'General Electronics Chat' started by billrose, May 23, 2008.

  1. billrose

    Thread Starter New Member

    May 23, 2008
    1
    0
    Need circuit using 7660 intersil i.c. s that extends life of half dead c cells d cells etc appeared in either a popular electronics magazine or radio electronics magazine in the 1970's uses a one farad mylar cap and 3 10uf can caps
    anyone have that??? thanks bill
     
  2. thingmaker3

    Retired Moderator

    May 16, 2005
    5,072
    6
    Sounds like a boost converter. There are newer, more efficient boost converters today.
     
  3. nanovate

    Distinguished Member

    May 7, 2007
    665
    1
    The Linear Tech LTC1044 or Maxim MAX1044 would be drop-in replacements. They are 95% to 98% efficient.
     
Loading...