L6756

更新时间： 2024-12-01 03:49:55

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		控制器
页数	文件大小	规格书
3页	49K
描述
2/3/4 phase buck controller for VR10, VR11.1 and AM2 processor applications

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中文翻译

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L6756 数据手册

L6756

2/3/4 phase buck controller

for VR10, VR11.1 and AM2 processor applications

Data Brief

Features

■ LTB technology enhances load transient

response

■ 2 to 4 scalable phase operation

■ Dual-edge asynchronous architecture

■ PSI# input with programmable strategy

■ IMON output

VFQFPN40

■ Flexible driver support

Description

■ 7/8 bit programmable output - VR10/11.x DAC

■ 6 bit programmable output - AMD AM2 DAC

■ 0.5 % output voltage accuracy

L6756 is a two-to-four phase controller designed

to power Intel’s most demanding Processors and,

most in general, low-voltage, high-current power

supplies. The device features LTB technology to

provide the fastest response to load transients

thus minimizing the output filter composition.

■ Full-differential current sense across DCR

■ Integrated remote sense buffer

■ Feedback disconnection protection

■ Adjustable oscillator from 100 kHz to 1 MHz

■ LSLess startup to manage pre-biased ouptut

■ Programmable Soft-start

L6756 embeds selectable DAC: Output Voltage is

programmable up to 1.6000 V (Intel VR10 and

VR11.x DACs) or up to 1.550 V (AMD 6bit DAC)

managing DVID transitions with 0.5 % output

voltage accuracy over line, load and temperature

variations.

■ Threshold sensitive enable Pin for VTT

Sensing

The device assures fast protection against load

over current and under / over voltage. Feedback

disconnection prevents from damaging the load in

case of misconnections in the system board.

■ VFQFPN40 7x7 mm package

Applications

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

Low-Side-Less start-up allows soft-start over pre-

biased output avoiding dangerous current return

through the main inductors as well as negative

spike at the load side.

workstation CPUs

■ Graphic cards

■ Low-voltage, high-current power supplies

■ High-density DC / DC converters

L6756 is available in VFQFPN40 7x7 mm

package.

Table 1.

Device summary

Order code

Package

Packing

VFQFPN40

Tube

L6756

L6756TR

Tape & Reel

February 2008

Rev 1

1/3

For further information contact your local STMicroelectronics sales office.

www.st.com

12 3

中文翻译

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与L6756相关器件

型号	品牌	获取价格	描述	数据表
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
L6759DTR	STMICROELECTRONICS	获取价格	Fully configurable through PMBus
L-678	RHOMBUS-IND	获取价格	POWER LINE CHOKE
L678-1C180+5	ETC	获取价格	Interface IC
L678-1C18005	ETC	获取价格	Interface IC

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