Datasheet > NCP5210

NCP5210

更新时间： 2024-11-23 04:37:55

品牌	Logo	应用领域
安森美 - ONSEMI		双倍数据速率控制器
页数	文件大小	规格书
18页	172K
描述
3-in-1 PWM Dual Buck and Linear DDR Power Controller

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NCP5210 数据手册

NCP5210

3−in−1 PWM Dual Buck

and Linear DDR Power

Controller

The NCP5210, 3−in−1 PWM Dual Buck and Linear DDR Power

Controller, is a complete power solution for MCH and DDR memory.

This IC combines the efficiency of PWM controllers for the VDDQ

supply and the MCH core supply voltage with the simplicity of linear

regulator for the VTT termination voltage.

This IC contains two synchronous PWM buck controller for driving

four external N−Ch FETs to form the DDR memory supply voltage

(VDDQ) and the MCH regulator. The DDR memory termination

regulator (VTT) is designed to track at the half of the reference voltage

with sourcing and sinking current.

http://onsemi.com

MARKING

DIAGRAM

NCP5210

AWLYYWW

QFN−20

MN SUFFIX

Protective features include, soft−start circuitry, undervoltage

monitoring of 5VDUAL and BOOT voltage, and thermal shutdown.

The device is housed in a thermal enhanced space−saving

QFN−20 package.

CASE 505AB

Features

NCP5210= Specific Device Code

= Assembly Location

= Wafer Lot

= Year

• Incorporates Synchronous PWM Buck Controllers for VDDQ and

VMCH

• Integrated Power FETs with VTT Regulator Source/Sink up to 2.0 A

= Work Week

• All External Power MOSFETs are N−Channel

• Adjustable VDDQ and VMCH by External Dividers

• VTT Tracks at Half the Reference Voltage

PIN CONNECTIONS

• Fixed Switching Frequency of 250 kHz for VDDQ and VMCH

COMP

SW_DDQ

BG_DDQ

TG_DDQ

BOOT

• Doubled Switching Frequency of 500 kHz for VDDQ Controller in

Standby Mode to Optimize Inductor Current Ripple and Efficiency

• Soft−Start Protection for all Controllers

• Undervoltage Monitor of Supply Voltages

• Overcurrent Protections for DDQ and VTT Regulators

• Fully Complies with ACPI Power Sequencing Specifications

FBDDQ

PGND

VTT

5VDUAL

COMP_1P5

BUF_Cut

TG_1P5

VDDQ

AGND

FBVTT

• Short Circuit Protection Prevents Damage to Power Supply Due

to Reverse DIMM Insertion

DDQ_REF

FB1P5

BG_1P5

GND_1P5

• Thermal Shutdown

• 5x6 QFN−20 Package

NOTE: Pin 21 is the thermal pad

on the bottom of the device.

• Pb−Free Package is Available*

ORDERING INFORMATION

Applications

†

Device

NCP5210MNR2

Package

Shipping

• DDR I and DDR II Memory and MCH Power Supply

QFN−20 2500 Tape & Reel

NCP5210MNR2G QFN−20 2500 Tape & Reel

(Pb−Free)

†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.

*For additional information on our Pb−Free strategy and soldering details, please

download the ON Semiconductor Soldering and Mounting Techniques

Reference Manual, SOLDERRM/D.

Semiconductor Components Industries, LLC, 2005

Publication Order Number:

January, 2005 − Rev. 4

NCP5210/D

12 3 4 5 6 7...18

中文翻译

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与NCP5210相关器件

型号	品牌	获取价格	描述	数据表
NCP5210/D	ETC	获取价格	3-In-1 PWM Dual Buck and Linear DDR Power Controller
NCP5210MN	ONSEMI	获取价格	DUAL SWITCHING CONTROLLER, 550kHz SWITCHING FREQ-MAX, PDSO20, 6 X 5 MM, PLASTIC, QFN-20
NCP5210MNR2	ONSEMI	获取价格	3-in-1 PWM Dual Buck and Linear DDR Power Controller
NCP5210MNR2G	ONSEMI	获取价格	3-in-1 PWM Dual Buck and Linear DDR Power Controller
NCP5211	ONSEMI	获取价格	Low Voltage Synchronous Buck Controller
NCP5211A	ONSEMI	获取价格	Low Voltage Synchronous Buck Controller
NCP5211A/D	ETC	获取价格	Low Voltage Synchronous Buck Controller
NCP5211AD	ONSEMI	获取价格	Low Voltage Synchronous Buck Controller
NCP5211ADR2	ONSEMI	获取价格	Low Voltage Synchronous Buck Controller
NCP5211BDR2G	ONSEMI	获取价格	Low Voltage Synchronous Buck Controller

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