IR35211 Overview
Description
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.
Key Features
- 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
