BA3918 Description
Regulator ICs System power supply for car stereos BA3918 The BA3918 is a single-chip power supply IC for use in car audio systems. One 5.6V output for a microcontroller, three 8.7V outputs, and two outputs interlocked by BACKUP and ACC systems are built in. FApplications Car audio systems FFeatures 1) All outputs except AMP and ANT use a PNP transistor with a low saturation voltage.