NCP5306

更新时间： 2024-09-28 04:37:55

品牌	Logo	应用领域
安森美 - ONSEMI		控制器
页数	文件大小	规格书
24页	872K
描述
Three−Phase VRM 9.0 Buck Controller

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NCP5306 数据手册

NCP5306

Three−Phase VRM 9.0

Buck Controller

Multiphase controllers provide fast, accurate regulation with the

control features required to power the next generation of processors in

desktop, workstation and server applications. Combined with external

gate drivers and power components, the NCP5306 implements a

http://onsemi.com

compact, highly integrated buck converter. Enhanced V ™ control

inherently compensates for variations in both line and load. Current

sharing between phases is achieved by Peak Current Sharing.

The NCP5306 includes Power Good with a programmable lower

threshold.

Applications include Embedded Processor Power and low

voltage/high current power supplies.

SO−24L

DW SUFFIX

CASE 751E

Features

• Switching Regulator Controller

MARKING DIAGRAM

− Lossless Current Sensing

− Enhanced V Control Method Provides Excellent Regulation

NCP5306

and Fast Transient Response

AWLYYWW

− Programmable Up to 800 kHz Switching Frequency (Per Phase)

− Duty Cycle − 0% to 100%

− Programmable Adaptive Voltage Positioning Reduces Output

Capacitor Requirements

= Assembly Location

= Wafer Lot

= Year

− Programmable Soft Start

• Accurate Current Sharing

= Work Week

• Protection Features

− Pulse−by−Pulse Current Limit for Each Phase

− Programmable Hiccup Overcurrent Protection

− All “1” DAC Code Fault

− Processor Overvoltage Protection through Bottom MOSFETs

− Undervoltage Lockout

PIN CONNECTIONS

GND

OCSET

GATE3

GATE2

GATE1

OSC

CS3

CS2

CS1

• System Power Management

− 5−Bit DAC With 1.0% Tolerance Compatible with VRM 9.0

− Power Good Output

− Programmable Power Good Lower Threshold

• Guaranteed Startup at −20°C

ID0

ID1

ID2

ID3

ID4

REF

DRP

PWRGDS

PWRGD

COMP

ORDERING INFORMATION

Device

Package

SO−24L

Shipping

NCP5306DW

30 Units/Rail

NCP5306DWR2

1000 Tape & Reel

Semiconductor Components Industries, LLC, 2006

Publication Order Number:

July, 2006 − Rev. 3

NCP5306/D

12 3 4 5 6 7...24

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