BL8531C controller equivalent, multi-function step-up dc/dc controller.
make BL8531C series be suitable for the portable devices, which are supplied by a single battery to four-cell batteries. BL8531C has a drive pin (EXT) for external transi.
* Power source for PDA, DSC, MP3 Player, electronic toy and wireless mouse
* Power source for a single or dual-c.
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