Datasheet > L6750TR

L6750TR

更新时间： 2024-09-09 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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L6750TR 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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L6751C	STMICROELECTRONICS	获取价格	Digitally controlled dual PWM for Intel VR12 and AMD SVI
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L6751TR	STMICROELECTRONICS	获取价格	Digitally controlled dual PWM for Intel VR12 and AMD SVI
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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

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