Datasheet > L6751BTR

L6751BTR

更新时间： 2024-09-10 01:18:15

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		/
页数	文件大小	规格书
58页	965K
描述
Digitally controlled dual PWM for Intel VR12 and AMD SVI

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L6751BTR 数据手册

L6751B

Digitally controlled dual PWM for Intel VR12 and AMD SVI

Datasheet − production data

Features

■ VR12 compliant with 25 MHz SVID bus rev1.5

– SerialVID with programmable IMAX,

TMAX, VBOOT, ADDRESS

■ AMD SVI compliant

■ Second generation LTB Technology^®

■ Flexible driver/DrMOS support

■ JMode support

QFN68 8x8 mm

Description

■ Fully configurable through PMBus^™

The L6751B 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

pinstrapping and PMBus interface.

■ 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

The device features up to 6-phase programmable

operation for the multi-phase section and a single-

phase with independent control loops. When

configured for memory supply, single-phase

(VTT) reference is always tracking multi-phases

(VDDQ) scaled by a factor of 2. The L6751B

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.

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

The device is available in VFQFPN68 8x8 mm

package.

Table 1.

Device summary

Package

■ VFQFPN68 8x8 mm package

Order code

Packaging

L6751B

Tray

Applications

VFQFPN68 8x8 mm

L6751BTR

Tape and reel

■ High-current VRM / VRD for desktop / server /

workstation Intel / AMD CPUs

■ DDR3 memory supply

December 2012

Doc ID 024028 Rev 1

1/58

This is information on a product in full production.

www.st.com

12 3 4 5 6 7...58

中文翻译

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与L6751BTR相关器件

型号	品牌	获取价格	描述	数据表
L6751C	STMICROELECTRONICS	获取价格	Digitally controlled dual PWM for Intel VR12 and AMD SVI
L6751CTR	STMICROELECTRONICS	获取价格	Digitally controlled dual PWM for Intel VR12 and AMD SVI
L6751TR	STMICROELECTRONICS	获取价格	Digitally controlled dual PWM for Intel VR12 and AMD SVI
L6756	STMICROELECTRONICS	获取价格	2/3/4 phase buck controller for VR10, VR11.1 and AM2 processor applications
L6756D	STMICROELECTRONICS	获取价格	2/3/4 phase buck controller for VR10, VR11 and VR11.1 processor applications
L6756DTR	STMICROELECTRONICS	获取价格	2/3/4 phase buck controller for VR10, VR11 and VR11.1 processor applications
L6756TR	STMICROELECTRONICS	获取价格	2/3/4 phase buck controller for VR10, VR11.1 and AM2 processor applications
L6758A	STMICROELECTRONICS	获取价格	DPM - dynamic phase management
L6758ATR	STMICROELECTRONICS	获取价格	DPM - dynamic phase management
L6759D	STMICROELECTRONICS	获取价格	Fully configurable through PMBus

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