RT9243 Datasheet - Richtek Technology

RT9243 Multi-Phase PWM Controller

The RT9243 is a multi-phase buck DC/DC controller integrated with all control functions for GHz CPU VRM. The RT9243 controls 2, 3 or 4 buck switching stages operating in interleaved phase set automatically. The multiphase architecture provides high output current while maintaining low power dissipat.

RT9243 Features

* z Multi-Phase Power Conversion with Automatic Phase Selection VRD10.x DAC Output with Active Droop Compensation for Fast Load Transient Smooth VCORE Transition at VID Jump Power Stage Thermal Balance by RDS(ON) Current Sense Hiccup Mode Over-Current Protection Programmable Switching Frequency (50kH

RT9243_RichtekTechnology.pdf