IR35211
Overview
The IR35211 is a dual loop digital multi-phase buck controller designed for CPU voltage regulation and is fully compliant 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.
- Dual output 3+1 phase PWM Controller
- Easiest layout and fewest pins in the industry
- Fully supports AMD® SVI1 & SVI2 with dual OCP and Intel® VR12 & VR12.5
- Overclocking & Gaming Mode
- Switching frequency from 200kHz to 2MHz per phase
- IR Efficiency Shaping Features including Dynamic Phase Control and Automatic Power State Switching
- 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 autocompensation
- Per-Loop Fault Protection: OVP, UVP, OCP, OTP
