RT9245C Multi-Phase PWM Controller

RT9245C Multi-Phase PWM Controller

RT9245C is a multi-phase buck DC/DC controller integrated with all control functions for AMD K8 CPU or Intel ® GHz CPU which is VRD10.x-compliant. The RT9245C could be operated with 2, 3 or 4 buck switching stages operating in interleaved phase set automatically. The multiphase architecture provides.

Features

z Multi-Phase Power Conversion with Automatic Phase Selection 6-bits VRD10.x or 5-bit K8 DAC Output with Active Droop Compensation for Fast Load Transient Smooth VCORE Transition at VID Jump Power Stage Thermal Balance by DCR Current Sense Hiccup Mode Over-Current Protection Programmable Switching Frequency (50kHz to 400kHz per Phase), Under-Voltage Lockout and SoftStart High Ripple Frequency Times Channel Number 28-TSSOP Package RoHS Compliant and 100% Lead (Pb)-Free z z z z z z z z Applications z z z Intel® Processors Voltage Regulator : VRD10.x and AMD K8 Low Output Voltage, High Cu.