Datasheet > L6717A

L6717A

更新时间： 2024-12-01 01:21:47

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		/
页数	文件大小	规格书
57页	1935K
描述
Dynamic phase management

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数据手册
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L6717A 数据手册

L6717A

High-efficiency hybrid controller

with I²C interface and embedded drivers

Datasheet

production data

Applications

• Hybrid high-current VRM / VRD for desktop /

server / workstation / IPC CPUs supporting PVI

and SVI interface

• High-density DC-DC converters

VFQFPN48

Description

L6717A is a hybrid CPU power supply controller

embedding 2 high-current drivers for the CORE

section and 1 driver for the NB section - requiring

up to 2 external drivers when the CORE section

works at 4 phase to optimize the application over-

all cost.

I²C interface is provided to manage offset for

CORE section, switching frequency and dynamic

phase management saving in component count

and space consumption.

Features

• Hybrid controller for both PVI and SVI CPUs

G34 compliant

• Dual controller with embedded high current

drivers: 2 phases for CPU CORE + 2 PWM for

ext drivers, 1 phase for NB

• Dynamic phase management (DPM)

• I²C interface to control offset, switching

frequency and PSI_L

Dynamic phase management automatically

adjusts phase-count according to CPU load

optimizing the system efficiency under all load

conditions.

• Dual-edge asynchronous architecture with LTB

Technology^®

• PSI management to increase efficiency in light-

load conditions

The dual-edge asynchronous architecture is

• Dual overcurrent protection: total and per-

optimized by LTB technology allowing fast load-

phase compatible with Itdc and IddSpike

transient response minimizing the output

capacitor and reducing the total BOM cost.

• Voltage positioning

• Dual remote sense

Fast protection against load overcurrent is

provided for both the sections. Feedback

disconnection protection prevents from damaging

the load in case of misconnections in the system

board. L6717A is available in VFQFPN48

package.

• Feedback disconnection protection

• Programmable OV protection

• Oscillator internally fixed at 200 kHz externally

adjustable

• LSLess startup to manage pre-biased output

• VFQFPN48 package

Table 1. Device summary

Order codes

Package

Packing

L6717A

Tray

VFQFPN48

L6717ATR

Tape and reel

April 2013

DocID024465 Rev 1

1/57

This is information on a product in full production.

www.st.com

12 3 4 5 6 7...57

中文翻译

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L6717A 替代型号

型号	品牌	替代类型	描述	数据表
L6717ATR	STMICROELECTRONICS	完全替代	Dynamic phase management

与L6717A相关器件

型号	品牌	获取价格	描述	数据表
L6717ATR	STMICROELECTRONICS	获取价格	Dynamic phase management
L6717TR	STMICROELECTRONICS	获取价格	High-Efficiency Hybrid AM2r2 Controller with I<sup>2</sup>C Interface and Embe
L6718	STMICROELECTRONICS	获取价格	SMBus interface for power management
L6718TR	STMICROELECTRONICS	获取价格	SMBus interface for power management
L6720	ETC	获取价格
L6721	ETC	获取价格	Peripheral Interface
L6722	STMICROELECTRONICS	获取价格	3 Phase controller for DC/DC converters
L6722TR	STMICROELECTRONICS	获取价格	3 Phase controller for DC/DC converters
L6725	STMICROELECTRONICS	获取价格	Low cost adjustable step-down controller
L6725_07	STMICROELECTRONICS	获取价格	Voltage mode PWM controller with bootstrap anti-discharging system

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