Datasheet > NCP4208

NCP4208

更新时间： 2024-09-20 05:52:03

品牌	Logo	应用领域
安森美 - ONSEMI		转换器
页数	文件大小	规格书
30页	303K
描述
VR11.1 Programmable 8-Phase Synchronous Buck Converter with PMBus

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NCP4208 数据手册

NCP4208

VR11.1 Programmable

8-Phase Synchronous Buck

Converter with PMBus

The NCP4208 is an integrated power control IC with a PMBus

interface. The NCP4208 is a highly efficient, multiphase, synchronous

buck switching regulator controller, which aids design of High

Efficiency and High Density solutions. The NCP4208 can be

programmed for 1−, 2−, 3−, 4−, 5−, 6−, 7− or 8−phase operation,

allowing for the construction of up to 8 complementary buck switching

stages.

http://onsemi.com

QFN 48

CASE 485AJ

The NCP4208 supports PSI, which is a power state indicator and

can be used to reduce the number of operating phases at light loads.

The PMBus interface enables digital programming of key system

parameters to optimize system performance and provide feedback to

the system.

MARKING DIAGRAM

The NCP4208 has a built in shunt regulator that allows the part to be

powered from the +12 V system supply through a series resistor. The

NCP4208 is specified over the extended commercial temperature

range of 0°C to +85°C and is available in a 48 Lead QFN package.

NCP4208

AWLYYWWG

= Assembly Lot

Features

YYWW = Date Code

= Pb−Free Package

= Wafer Lot

• Selectable 1−, 2−, 3−, 4−, 5−, 6−, 7− or 8−Phase Operation at

Up to 1.5 MHz per Phase

• Temperature Measurement

• Logic−Level PWM Outputs for Interface to External High

Power Drivers

PIN ASSIGNMENT

• Fast−Enhanced PWM for Excellent Load Transient Performance

• Active Current Balancing Between All Output Phases

• Built−In Power−Good/Crowbar Blanking Supports

On−The−Fly (OTF) VID Code Changes

• Digitally Programmable 0.375 V to 1.6 V Output Supports

VR11.1 Specifications

• Short Circuit Protection with Latchoff Delay

• Supports PSI Power Saving Mode During Light Loads

• This is a Pb−Free Device

VCC3

PWRDG

ALERT

SDA

SCL

GND

IMON

IREF 11

RT 12

36 PWM3

35 PWM4

34 PWM5

33 PWM6

32 PWM7

PIN 1

INDICATOR

PWM8

30 SW1

SW2

NCP4208

TOP VIEW

28 SW3

27 SW4

26 SW5

25 SW6

Applications

• Desktop PC

• Servers

ORDERING INFORMATION

†

Device*

Package

Shipping

NCP4208MNR2G

QFN48

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:

August, 2009 − Rev. 0

NCP4208/D

12 3 4 5 6 7...30

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与NCP4208相关器件

型号	品牌	获取价格	描述	数据表
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
NCP4300ADR2	ONSEMI	获取价格	Dual Operational Amplifier and Voltage Reference
NCP4300ADR2G	ONSEMI	获取价格	Dual Operational Amplifier and Voltage Reference
NCP4302	ONSEMI	获取价格	Secondary Side Synchronous Flyback Controller
NCP4302ADR2G	ONSEMI	获取价格	Secondary Side Synchronous Flyback Controller

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