TPS61031 Datasheet, Texas Instruments

*1 96% Efficient Synchronous Boost Converter With 1000-mA Output Current From 1.8-V Input
* Device Quiescent Current: 20-µA (Typ)
* Input Voltage Range: 1.8-V.

All Single Cell Li or Dual Cell Battery Operated Products as MP-3 Player, PDAs, and Other Portable Equipment 3 Descript.