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L6751CTR Fiches technique(PDF) 1 Page - STMicroelectronics |
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L6751CTR Fiches technique(HTML) 1 Page - STMicroelectronics |
1 / 57 page This is information on a product in full production. July 2013 DocID025037 Rev 1 1/57 L6751C Digitally controlled dual PWM for Intel VR12 and AMD SVI Datasheet - production data Features VR12 compliant with 25 MHz SVID bus rev. 1.5 – SerialVID with programmable IMAX, TMAX, VBOOT, ADDRESS AMD SVI compliant Second generation LTB Technology™ Flexible driver/DrMOS support JMode support Fully configurable through PMBus™ Dual controller: – Up to 6 phases for CORE and memory – 1 phase for graphics (GFX), system agent (VSA) or Northbridge (VDDNB) Single NTC design for TM, LL and IMON thermal compensation (for each section) VFDE and GDC - gate drive control for efficiency optimization DPM - dynamic phase management Dual remote sense; 0.5% VOUT accuracy Full-differential current sense across DCR AVP - adaptive voltage positioning Dual independent adjustable oscillator Dual current monitor Pre-biased output management Average and per-phase OC protection OV, UV and FB disconnection protection Dual VR_RDY WPLGA72 6 x 6 mm package Applications High-current VRM / VRD for desktop / server / workstation Intel® / AMD CPUs DDR3 memory supply Description The L6751C device is a universal digitally controlled dual PWM DC-DC designed to power Intel’s VR12 and AMD SVI processors and memories: all required parameters are programmable through dedicated pin-strapping and PMBus interface. The device features up to 6-phase programmable operation for multi-phase sections and a single-phase with independent control loops. When configured for memory supply, single-phase (VTT) reference is always tracking multi-phase (VDDQ) scaled by a factor of 2. The L6751C supports power state transitions featuring VFDE, programmable DPM and GDC maintaining the best efficiency over all loading conditions without compromising transient response. The device assures fast and independent protection against load overcurrent, under/overvoltage and feedback disconnections. The device is available in WPLGA72 6 x 6 mm package. WPLGA72 6 x 6 mm Table 1. Device summary Order code Package Packaging L6751C WPLGA72 6 x 6 mm Tray L6751CTR WPLGA72 6 x 6 mm Tape and reel www.st.com |
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