Datasheet > NCP5388

NCP5388

更新时间： 2024-11-08 10:28:03

品牌	Logo	应用领域
安森美 - ONSEMI		控制器
页数	文件大小	规格书
34页	324K
描述
2/3/4 Phase Buck Controller for VR10 and VR11 Pentium IV Processor Applications

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NCP5388 数据手册

NCP5388

2/3/4 Phase Buck Controller

for VR10 and VR11 Pentium

IV Processor Applications

The NCP5388 is a two−, three−, or four−phase buck controller

which combines differential voltage and current sensing, and

adaptive voltage positioning to power Intel’s most demanding

http://onsemi.com

MARKING

Pentium IV Processors and low voltage, high current power

supplies. Dual−edge pulse−width modulation (PWM) combined with

inductor current sensing reduces system cost by providing the fastest

initial response to transient loads thereby requiring less bulk and

ceramic output capacitors to satisfy transient load−line requirements.

A high performance operational error amplifier is provided, which

allows for easy compensation of the system. The proprietary method

of Dynamic Reference Injection (Patent Pending) makes the error

amplifier compensation virtually independent of the system response

to VID changes, eliminating the need for tradeoffs between load

transients and Dynamic VID performance.

DIAGRAM

NCP5388

AAWLYYWWG

40 PIN QFN, 7x7

MN SUFFIX

CASE 488AG

NCP5388 = Specific Device Code

= Assembly Location

= Wafer Lot

Features

• Meets Intel’s VR 10.0, 10.1, 10.2, and 11.0 Specifications

• Dual−Edge PWM for Fastest Initial Response to Transient Loading

• High Performance Operational Error Amplifier

• Supports both VR11 and Legacy VR10 Soft−Start Modes

• Dynamic Reference Injection (Patent Pending)

• 8−Bit DAC per Intel’s VR11 Specifications

• DAC Range from 0.5 V to 1.6 V

= Year

= Work Week

= Pb−Free Package

G/G

*Pin 41 is the thermal pad on the bottom of the device.

ORDERING INFORMATION

• "0.75% System Voltage Accuracy

†

Device

Package

Shipping

• Remote Temperature Sensing per VR11

• 2, 3, or 4−Phase Operation

NCP5388MNR2G

QFN−40 2500 / Tape & Reel

(Pb−Free)

• True Differential Remote Voltage Sensing Amplifier

• Phase−to−Phase Current Balancing

†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.

• “Lossless” Differential Inductor Current Sensing

• Differential Current Sense Amplifiers for each Phase

• Adaptive Voltage Positioning (AVP)

• Fixed No−Load Voltage Positioning at –19 mV

• Frequency Range: 100 kHz–1.0 MHz

• Latched Overvoltage Protection (OVP)

• Threshold Sensitive Enable Pin for VTT Sensing

• Power Good Output with Internal Delays

• Programmable Soft−Start Time

• Operates from 12 V

• This is a Pb−Free Device*

Applications

• Pentium IV Processors

• VRM Modules

• Graphics Cards

*For additional information on our Pb−Free strategy

and soldering details, please download the

ON Semiconductor Soldering and Mounting

Techniques Reference Manual, SOLDERRM/D.

• Low Voltage, High Current Power Supplies

Semiconductor Components Industries, LLC, 2010

Publication Order Number:

June, 2010 − Rev. 11

NCP5388/D

12 3 4 5 6 7...34

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与NCP5388相关器件

型号	品牌	获取价格	描述	数据表
NCP5388MNR2G	ONSEMI	获取价格	2/3/4 Phase Buck Controller for VR10 and VR11 Pentium IV Processor Applications
NCP5389	ONSEMI	获取价格	2/3 Phase Buck Controller for VR11 Pentium IV Processor Applications
NCP5389MNR2G	ONSEMI	获取价格	2/3 Phase Buck Controller for VR11 Pentium IV Processor Applications
NCP5391	ONSEMI	获取价格	2/3 Phase Buck Controller for VR11 Pentium IV Processor Applications
NCP5391MNR2G	ONSEMI	获取价格	2/3 Phase Buck Controller for VR11 Pentium IV Processor Applications
NCP5392	ONSEMI	获取价格	2/3/4-Phase Controller for CPU Applications
NCP5392MNR2G	ONSEMI	获取价格	2/3/4-Phase Controller for CPU Applications
NCP5392P	ONSEMI	获取价格	2/3/4-Phase Controller for CPU Applications
NCP5392PMNR2G	ONSEMI	获取价格	2/3/4 相 VR11.1 降压控制器
NCP5392Q	ONSEMI	获取价格	2/3/4-Phase Controller for CPU Applications

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