Datasheet > NCP5314

NCP5314

更新时间： 2024-11-22 21:54:35

品牌	Logo	应用领域
安森美 - ONSEMI		控制器
页数	文件大小	规格书
28页	327K
描述
Two/Three/Four-Phase Buck CPU Controller

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NCP5314 数据手册

NCP5314

Two/Three/Four−Phase

Buck CPU Controller

The NCP5314 provides full−featured and flexible control for the

latest high−performance CPUs. The IC can be programmed as a two−,

three− or four−phase buck controller, and the per−phase switching

frequency can be as high as 1.2 MHz. Combined with external gate

drivers and power components, the controller implements a compact,

http://onsemi.com

MARKING DIAGRAMS

highly integrated multi−phase buck converter.

Enhanced V

control inherently compensates for variations in

both line and load, and achieves current sharing between phases. This

control scheme provides the industry’s fastest transient response,

reducing the need for large banks of output capacitors and higher

switching frequency.

The controller meets VR(M)10.x specifications with all the required

functions and protection features.

NCP5314

AWLYYWW

32 PIN QFN

MN SUFFIX

CASE 485J

(Bottom View)

Features

NCP5314

• Switching Regulator Controller

♦ Programmable 2/3/4 Phase Operation

♦ Lossless Current Sensing

AWLYYWW

LQFP−32

FTB SUFFIX

CASE 873A

♦ Enhanced V Control Method Provides Fast Transient Response

♦ Programmable Up to 1.2 MHz Switching Frequency Per Phase

♦ 0 to 100% Adjustment of Duty Cycle

♦ Programmable Adaptive Voltage Positioning Reduces Output

Capacitor Requirements

= Assembly Location

= Wafer Lot

= Year

= Work Week

Text orientation may vary.

♦ Programmable Soft−Start

• Current Sharing

PIN CONNECTIONS

♦ Differential Current Sense Pins for Each Phase

♦ Current Sharing Within 10% Between Phases

• Protection Features

♦ Programmable Pulse−by−Pulse Current Limit for Each Phase

♦ “111110” and “111111” DAC Code Fault

♦ Latching Off Overvoltage Protection

♦ Programmable Latching Overcurrent Protection

♦ Undervoltage Lockout

32 31 30 29 28 27 26 25

LIM

ID2

ID3

ID4

OSC

GATE1

PWRLS

♦ External Enable Control

♦ Three−State MOSFET Driver Control through Driver−On Signal

GATE2

GATE3

GATE4

GND

FFB

PWRGD

DRVON

• System Power Management

♦ 6−Bit DAC with 0.5% Tolerance Compatible with VR(M)10.x

Specification

9 10 11 12 13 14 15 16

♦ Programmable Lower Power Good Threshold

♦ Power Good Output

ORDERING INFORMATION

†

Device

Package

Shipping

NCP5314MNR2

NCP5314FTR2

2000 Tape & Reel

32 Pin QFN

LQFP−32

†For information on tape and reel specifications,

including part orientation and tape sizes, please

refer to our Tape and Reel Packaging Specification

Brochure, BRD8011/D.

Semiconductor Components Industries, LLC, 2004

Publication Order Number

September, 2004 − Rev. 9

NCP5314/D

12 3 4 5 6 7...28

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与NCP5314相关器件

型号	品牌	获取价格	描述	数据表
NCP5314/D	ETC	获取价格	Two/Three/Four-Phase Buck CPU Controller
NCP5314_07	ONSEMI	获取价格	Two/Three/Four−Phase Buck CPU Controller
NCP5314FTR2	ONSEMI	获取价格	Two/Three/Four-Phase Buck CPU Controller
NCP5314FTR2G	ONSEMI	获取价格	Two/Three/Four−Phase Buck CPU Controller
NCP5314MNR2	ONSEMI	获取价格	Two/Three/Four-Phase Buck CPU Controller
NCP5316	ONSEMI	获取价格	Four/Five/Six-Phase Buck CPU Controller
NCP5316/D	ONSEMI	获取价格	Four/Five/Six-Phase Buck CPU Controller
NCP5316_06	ONSEMI	获取价格	Four/Five/Six−Phase Buck CPU Controller
NCP5316FTR2	ONSEMI	获取价格	Four/Five/Six-Phase Buck CPU Controller
NCP5316MNR2	ONSEMI	获取价格	Four/Five/Six-Phase Buck CPU Controller

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