MULTIPLE VOLTAGE REGULATOR FOR CAR AUDIO The HA13166H is a compact multiple voltage regulator for car audio system. The outputs of this IC output consist ofregulated 5.7 V output for a microcontroller, regulated 3.3 V output for a digital signal processor, regulated 8 V outputfor CD driver, regulated 9.0 V output for audio control, regulated 10 V output for illuminations and regulated 5 Voutput, VCC-dependent output for external output and VCC-dependent output for remote-ANT.