Datasheet > NCP4200

NCP4200

更新时间： 2024-11-08 05:52:03

品牌	Logo	应用领域
安森美 - ONSEMI		转换器多相元件
页数	文件大小	规格书
32页	303K
描述
Programmable Multi-Phase Synchronous Buck Converter with PMBus

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NCP4200 数据手册

NCP4200

Programmable Multi-Phase

Synchronous Buck

Converter with PMBus

The NCP4200 is an integrated power control IC with a PMBus

interface. It combines a highly efficient, multi−phase, synchronous

buck switching regulator controller with a PMBus interface, which

enables digital programming of key system parameters to optimize

system performance and provide feedback to the system.

It uses an internal 8−bit DAC to read a Voltage Identification (VID)

code directly from the processor, which is used to set the output

voltage between 0.375 V and 1.6 V.

http://onsemi.com

QFN40 6x6

CASE 488AR

This device uses a multi−mode PWM architecture to drive the

logic−level outputs at a programmable switching frequency that can

be optimized for VR size and efficiency. The NCP4200 can be

programmed to provide 2−, 3−, or 4−phase operation, allowing for the

construction of up to four complementary buck−switching stages. The

NCP4200 supports PSI, which is a Power Save Mode.

MARKING DIAGRAM

NCP4200

AWLYYWWG

The NCP4200 includes a PMBus interface which can be used to

program system set points such as voltage offset, load−line and phase

balance and output voltage. Key system performance data, such as

CPU current, CPU voltage, and power and fault conditions can also be

read back over the PMBus from the NCP4200.

= Assembly Location

= Wafer Lot

YYWW = Date Code

The NCP4200 is specified over the extended commercial

temperature range of 0°C to +85°C and is available in a 40 Lead QFN

package.

= Pb−Free Package

PIN ASSIGNMENT

Features

• Selectable 2−, 3−, or 4−Phase Operation at Up to 1.5 MHz per Phase

• PMBus Interface − Enables Digital Programmability of Set Points

and Read−back of Monitored Values

VCC3

VCC

PWM1

PWM2

PIN 1

INDICATOR

ALERT

FAULT

SDA

SCL

GND

IMON

IREF

• Logic−Level PWM Outputs for Interface to External High Power

Drivers

27 PWM3

26 PWM4

25 SW1

24 SW2

23 SW3

22 SW4

NCP4200

• Fast−Enhanced PWM for Excellent Load Transient Performance

TOP VIEW

• Active Current Balancing Between All Output Phases

• Built−In Power−Good/Crowbar Blanking Supports On−The−Fly

OD1

(OTF) VID Code Changes

RT 10

• Digitally Programmable 0.375 V to 1.6 V Output Supports Both

VR11 and VR11.1 Specifications

• Programmable Short−Circuit Protection with Programmable

Latchoff Delay

• Supports PSI – Power Saving Mode During Light Loads

ORDERING INFORMATION

Applications

†

Device*

NCP4200MNR2G

Package

Shipping

• Desktop PC Power Supplies for VRM Modules

QFN40

2500/Tape & Reel

*The “G’ suffix indicates Pb−Free package.

†For information on tape and reel specifications,

including part orientation and tape sizes, please

refer to our Tape and Reel Packaging Specifications

Brochure, BRD8011/D.

Publication Order Number:

September, 2009 − Rev. 0

NCP4200/D

12 3 4 5 6 7...32

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与NCP4200相关器件

型号	品牌	获取价格	描述	数据表
NCP4200MNR2G	ONSEMI	获取价格	Programmable Multi-Phase Synchronous Buck Converter with PMBus
NCP4201MNR2G	ONSEMI	获取价格	IC SWITCHING CONTROLLER, 6000 kHz SWITCHING FREQ-MAX, QCC40, 6 X 6 MM, 0.50 MM PITCH, LEAD
NCP4206MNR2G	ONSEMI	获取价格	IC SWITCHING CONTROLLER, Switching Regulator or Controller
NCP4208	ONSEMI	获取价格	VR11.1 Programmable 8-Phase Synchronous Buck Converter with PMBus
NCP4208MNR2G	ONSEMI	获取价格	VR11.1 Programmable 8-Phase Synchronous Buck Converter with PMBus
NCP4300A	ONSEMI	获取价格	Dual Operational Amplifier and Voltage Reference
NCP4300A/D	ETC	获取价格	Dual Operational Amplifier and Voltage Reference
NCP4300A_05	ONSEMI	获取价格	Dual Operational Amplifier and Voltage Reference
NCP4300AD	ONSEMI	获取价格	Dual Operational Amplifier and Voltage Reference
NCP4300ADG	ONSEMI	获取价格	Dual Operational Amplifier and Voltage Reference

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