IR3581MTRPBF

电源管理, 数字, 3.3V电源, 双输出, 7相, 194kHz至2MHz PWM输入, QFN-48

Benefits:

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Ultra Low Quiescent Power Dual output 6+1 phase PWM Controller

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Intel® VR12, VR12.5 and Memory VR modes

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Overclocking and Gaming Modes

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PVI GPU VR mode

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Switching frequency from 194kHz to 2MHz per phase in 56 steps

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IR Efficiency Shaping Features including Variable Gate Drive, Dynamic Phase Control and Automatic Power State Switching

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Programmable 1-phase or 2-phase operation for Light Loads and Active Diode Emulation for Very Light Loads

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IR Adaptive Transient Algorithm ATA on both loops minimizes output bulk capacitors and system cost

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Auto-Phase Detection with PID Coefficient autoscaling

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Fault Protection: OVP, UVP, OCP, OTP, CFP

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I2C/SMBus/PMBus system interface for reporting of Temperature, Voltage, Current and Power telemetry for both loops

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Multiple Time Programming MTP with integrated charge pump for easy non-volatile programming

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Compatible with 3.3V tri-state drivers and IR ATL mode drivers

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+3.3V supply voltage -40°C to 85°C ambient operation

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Pb-Free, RoHS, 6x6mm 48-pin, 0.4mm pitch QFN