IR3581
FEATURES
- Ultra Low Quiescent Power Dual output 6+1 phase PWM Controller
- Intel® VR12, VR12.5 & Memory VR modes
- Overclocking & Gaming Modes
- PVI GPU VR mode
- Switching frequency from 194k Hz to 2MHz per phase in 56 steps
- IR Efficiency Shaping Features including Variable Gate Drive, Dynamic Phase Control and Automatic Power State Switching
- Programmable 1-phase or 2-phase operation for Light Loads and Active Diode Emulation for Very Light Loads
- IR Adaptive Transient Algorithm (ATA) on both loops minimizes output bulk capacitors and system cost
- Auto-Phase Detection with PID Coefficient autoscaling
- Fault Protection: OVP, UVP, OCP, OTP, CAT FLT
- I2C/SMBus/PMBus system interface for reporting of Temperature, Voltage, Current & Power telemetry for both loops
- Multiple Time Programming (MTP) with integrated charge pump for easy non-volatile programming
- patible with 3.3V tri-state drivers and IR ATL mode drivers
- +3.3V supply voltage; -40o C to 85o C ambient operation
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