IR3541

Dual Loop, 4+1 multiphase VR12/AMD PWM controller for high efficiency, highly accurate VR solutions

ParametricIR3541
Moisture Sensitivity Level2
Auto-PSI/DPCYes
Phases5.0
TechnologyDCIC
Configuration4 + 1 Multiphase
InterfacesI2C, PMBus, SMBus
OverClockingYes
PackageQFN 6 x 6 40-Pin
Processor TypeCPU
QualificationIndustrial
VGDYes
Voltage Outputs2.0
Sales Product NameIR3541
OPNIR3541MTRPBF
Product Statusactive
Package NameQFN 6X6 40L
Completely lead freeno
Halogen freeyes
RoHS compliantyes
Packing Size3000
Packing TypeTAPE & REEL
Moisture Level2
Benefits:
  • 5-phase dual output PWM Controller
  • Phases are flexibly assigned between Loops 1 and 2
  • Intel® VR12, AMD® SVI/G34 and Memory modes
  • Switching frequency from 200kHz to 1.2MHz per phase
  • Efficiency Shaping Features including Variable Gate Drive and Dynamic Phase Control
  • Programmable 1-phase or 2-phase for Light Loads Adaptive Transient Algorithm (ATA) on both loops minimizes output bulk capacitors and system cost
  • Auto-Phase Detection with auto-compensation
  • Per-Loop Fault Protection: OVP, UVP, OCP, OTP, CFP
  • I2C/SMBus/PMBus system interface for telemetry
  • Non-Volatile Memory (NVM) for custom configuration
  • Compatible with Active Tri-Level (ATL) and 3.3V tri-state Drivers
  • +3.3V supply voltage 0°C to 85°C ambient operation
  • Pb-Free, RoHS, 6x6 40 pin QFN package
Target Applications:
  • Desktop and Workstations
  • MultiPhase Digital Control
  • Servers and Storage
Data Sheet
TitleSizeDateVersion
Data Sheet - CHL8325A,EN385 KB09 七月 2011
Product Selection Guide
TitleSizeDateVersion
NEW! Power Management Selection Guide 2016EN4.7 MB22 二月 201600_00
EN IR3541
EN IDV20E65D1