The ISL95813 single-phase controller provides a fully compliant VR12. 6 power supply solution for Intel™ microprocessors. It provides a tightly regulated output voltage that is programmed through a high speed serial bus interface with the CPU. This interface also allows the CPU to acquire real-time information from the voltage regulator (VR), which includes load current and VR temperature. Based on Intersil's Robust Ripple Regulator R3™ Technology, the PWM modulator provides faster transient response and settling time when compared against traditional modulation schemes. Its variable frequency topology also allows for natural period stretching Discontinuous Conduction Mode (DCM) for increased efficiency and power savings in light load situations. The ISL95813 has several other key features that include: DCR current sensing with single NTC thermal compensation; discrete resistor current sensing; differential remote voltage feedback; and user-programmable boot voltage, IMAX, TMAX, voltage transition slew rate and switching frequency.


  • Full VR12.6 specification compliance
  • Wide input voltage range: 4.6V to 25V
  • R3™ control architecture delivers excellent transient response and power state mode transitions
  • Current monitor (IMON) with temperature compensation
  • VRHOT# indicator for CPU protection
  • Digitally selectable switching frequency:
  • 425kHz, 550kHz, 700kHz with ECO and PRO options
  • Enhanced light-load efficiency discontinuous conduction mode operation
  • Ultra small 20 Ld 3mmx4mm QFN package
  • Enable and power-good monitor


  • Notebook Computers
  • Tablets, Ultrabooks™, and AIO

Product Options

Part Number Part Status Pkg. Type Carrier Type MOQ Buy Sample
Active QFN Tube 75
Active QFN Reel 6000
Active QFN Tube 75
Active QFN Reel 6000


Title language Type Format File Size Date
Datasheets & Errata
ISL95813 Datasheet Datasheet PDF 1.21 MB
ISL95813 Data Short Short Form Datasheet PDF 227 KB
Application Notes & White Papers
AN1681: Grounding Techniques Application Note PDF 509 KB
AN1684: Nonideality of Ground Application Note PDF 397 KB
Five Easy Steps to Create a Multi-Load Power Solution White Paper PDF 846 KB
PCN20029A - Alternate bond wire material and assembly facility of the listed Renesas QFN packaged products Product Change Notice PDF 327 KB
PCN16074 - Alternate test facility of Intersil ISL95812* and ISL95813* series products Product Change Notice PDF 72 KB
Industrial Power Management Brochure ( R16CL0001EJ0200 ) 日本語 Brochure PDF 3.13 MB