Datasheet > NCP5314/D

NCP5314/D

更新时间： 2024-11-25 23:53:27

品牌	Logo	应用领域
其他 - ETC		控制器
页数	文件大小	规格书
30页	329K
描述
Two/Three/Four-Phase Buck CPU Controller

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中文翻译

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NCP5314/D 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.

32 PIN QFN, 7 x 7 mm

MN SUFFIX

NCP5314

AWLYYWW

CASE 485J

(Bottom View)

Features

NCP5314

AWLYYWW

• Switching Regulator Controller

♦ Programmable 2/3/4 Phase Operation

♦ Lossless Current Sensing

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

(Top View)

♦ 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

♦ External Enable Control

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

GATE1

PWRLS

GATE2

GATE3

GATE4

GND

FFB

• System Power Management

PWRGD

DRVON

♦ 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

*7 × 7 mm

2000 Tape & Reel

32 Pin QFN*

LQFP−32*

Semiconductor Components Industries, LLC, 2003

Publication Order Number

November, 2003 − Rev. 8

NCP5314/D

12 3 4 5 6 7...30

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与NCP5314/D相关器件

型号	品牌	获取价格	描述	数据表
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
NCP5318	ONSEMI	获取价格	Two/Three/Four−Phase Buck CPU Controller

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