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RT9248A Datasheet PDF - Richtek Technology

Part NameDescriptionManufacturer
RT9248A Multi-Phase PWM Controller for CPU Core Power Supply Richtek
Richtek Technology Richtek
Other PDF  no available.
RT9248A Datasheet PDF : RT9248A pdf   
RT9248A image

General Description
The RT9248A is a cost-effective multi-phase buck DC/DC controller integrated with all control functions for GHz CPU VRM. The RT9248A controls 2 or 3 buck switching stages operating in interleaved phase set automatically. The multiphase architecture provides high output current while maintaining low power dissipation on power devices and low stress on input and output capacitors. The high equivalent operating frequency also reduces the component dimension and the output voltage ripple in load transient.

Features
• Multi-Phase Power Conversion with Automatic Phase Selection
• VRM9 & VRD10 DAC Output with Active Droop Compensation for Fast Load Transient
• Smooth VCORE Transition at VID Jump
• Multi-Level VID125 Input for VRM9 & VRD10 Selection
• Power Stage Thermal Balance by RDS(ON) Current Sense
• Hiccup Mode Over-Current Protection
• Programmable Switching Frequency (50kHz to 400kHz per Phase), Under-Voltage Lockout and Soft-Start
• High Ripple Frequency Times Channel Number
• RoHS Compliant and 100% Lead (Pb)-Free

Applications
• Intel® Processors Voltage Regulator: VRM9 and VRD10
• Low Output Voltage, High Current DC-DC Converters
• Voltage Regulator Modules

 

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