Datasheet > L6750

L6750

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	50K
描述
2 to 5 phase controller with LTB technology for VR11.x and AMD6bit CPUs featuring I2C interface

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L6750 数据手册

L6750

2 to 5 phase controller with LTB technology^®

for VR11.x and AMD6bit CPUs featuring I2C interface

Data Brief

Features

■ LTB technology to enhance load transient

■ I2C power manager

■ 2 to 5 scalable phase operation

■ Dual-edge asynchronous architecture

■ Flexible driver support

VFQFPN48 - 7x7 mm

■ PSI# input and IMON output for VR11.1

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

■ 6 bit programmable output - AMD AM2 DAC

■ 0.5 % output voltage accuracy

Description

L6750 is a two-to-five phase controller designed

to power Intel’s most demanding PIV Processors

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

power supplies. The device features LTB

■ Full-differential current sense across inductor

DCR

technology to provide the fastest response to

■ Integrated remote sense buffer

load transients thus minimizing the output filter

composition.

■ Adaptive Voltage Positioning (AVP)

■ Feedback disconnection protection

■ Adjustable oscillator from 100 kHz to 1 MHz

■ LSLess startup to manage pre-biased output

■ Programmable Soft-start

L6750 features Power Manager I2C to implement

overspeeding and other power management

options without using any external component.

The device embeds selectable DAC: Output Volt-

age is programmable up to 1.6000V (Intel VR10

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

DAC) managing DVID transitions with 0.5% out-

put voltage accuracy over line, load and tempera-

ture variations.

■ Threshold sensitive enable pin for VTT

Sensing

■ VFQFPN48 7x7 mm package

Applications

The device assures fast protection against load

over current, under / over voltage and feedback

disconnections. Low-Side-Less start-up allows

soft-start over pre-biased output avoiding danger-

ous current return through the main inductors as

well as negative spike at the load side.L6750 is

available in VFQFPN48 7x7 mm package

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

workstation CPUs

■ Graphic cards

■ Low-voltage, high-current power supplies

■ High-density DC DC converters

Table 1.

Device summary

Order code

Package

Packing

VFQFPN48

Tube

L6750

L6750TR

Tape and 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L6750相关器件

型号	品牌	获取价格	描述	数据表
L6750TR	STMICROELECTRONICS	获取价格	2 to 5 phase controller with LTB technology for VR11.x and AMD6bit CPUs featuring I2C inte
L6751	STMICROELECTRONICS	获取价格	Digitally controlled dual PWM for Intel VR12 and AMD SVI
L6751B	STMICROELECTRONICS	获取价格	Digitally controlled dual PWM for Intel VR12 and AMD SVI
L6751BTR	STMICROELECTRONICS	获取价格	Digitally controlled dual PWM for Intel VR12 and AMD SVI
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

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