The RT9247 is a multi-phase buck DC/DC controller integrated with all control functions for GHz CPU VRM.The RT9247 controls 2 or 3 buck switching stages operating in interleaved phase set automatically. The multi-phase architecture provides high output current while maintaining low power dissipation height=599 src="/data/attachment/portal/201007/ET35825201007231503361.jpg" width=784 border=0>