IR35211 Description
The IR35211 is a dual loop digital multi-phase buck controller designed for CPU voltage regulation and is fully pliant to AMD® SVI1 & SVI2 Rev 1.2 & Intel© VR12 Rev 1.5 PWM specification and VR12.5 Rev 1.3 PWM specification. The IR35211 includes IR’s Efficiency Shaping Technology to deliver exceptional efficiency at minimum cost across the entire load range. IR’s Dynamic Phase Control adds/drops active phases based...
IR35211 Key Features
- Dual output 3+1 phase PWM Controller
- Easiest layout and fewest pins in the industry
- Fully supports AMD® SVI1 & SVI2 with dual
- Overclocking & Gaming Mode
- Switching frequency from 200kHz to 2MHz
- IR Efficiency Shaping Features including
- Programmable 1-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 autopensation
- Per-Loop Fault Protection: OVP, UVP, OCP, OTP