Datasheet > NCP5214A

NCP5214A

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
31页	363K
描述
2−in−1 Notebook DDR Power Controller

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NCP5214A 数据手册

NCP5214A

2−in−1 Notebook DDR

Power Controller

The NCP5214A 2−in−1 Notebook DDR Power Controller is

specifically designed as a total power solution for notebook DDR

memory system. This IC combines the efficiency of a PWM

controller for the VDDQ supply with the simplicity of linear

regulators for the VTT termination voltage and the buffered low

noise reference. This IC contains a synchronous PWM buck

controller for driving two external NFETs to form the DDR memory

supply voltage (VDDQ). The DDR memory termination regulator

output voltage (VTT) and the buffered VREF are internally set to

track at the half of VDDQ. An internal power good voltage monitor

tracks VDDQ output and notifies the user whether the VDDQ output

is within target range. Protective features include soft−start

circuitries, undervoltage monitoring of supply voltage, VDDQ

overcurrent protection, VDDQ overvoltage and undervoltage

protections, and thermal shutdown. The IC is packaged in DFN22.

http://onsemi.com

MARKING

DIAGRAM

DFN22

MN SUFFIX

NCP5214A

AWLYYWW

CASE 506AF

NCP5214A= Specific Device Code

= Assembly Location

= Wafer Lot

= Year

= Work Week

= Pb−Free Package

Features

• Incorporates VDDQ, VTT Regulator, Buffered VREF

• Adjustable VDDQ Output

• VTT and VREF Track VDDQ/2

• Operates from Single 5.0 V Supply

• Supports VDDQ Conversion Rails from 4.5 V to 24 V

• Power−saving Mode for High Efficiency at Light Load

• Integrated Power FETs with VTT Regulator Sourcing/Sinking

1.5 A DC and 2.4 A Peak Current

PIN CONNECTIONS

VDDQEN

VTTEN

FPWM

VTTGND

VTT

PGND

BGDDQ

VCCP

SWDDQ

TGDDQ

BOOST

OCDDQ

PGOOD

VTTREF

FBDDQ

COMP

• Requires Only 20 mF Ceramic Output Capacitor for VTT

• Buffered Low Noise 15 mA VREF Output

• All External Power MOSFETs are N−channel

• <5.0 mA Current Consumption During Shutdown

• Fixed Switching Frequency of 400 kHz

• Soft−start Protection for VDDQ and VTT

• Undervoltage Monitor of Supply Voltage

• Overvoltage Protection and Undervoltage Protection for VDDQ

• Short−circuit Protection for VDDQ and VTT

• Thermal Shutdown

VTTI

FBVTT

AGND

DDQREF

VCCA

(Top View)

NOTE: Pin 23 is the thermal pad on

the bottom of the device.

• Housed in DFN22

• This is a Pb−Free Device

ORDERING INFORMATION

Device

Package

Shipping†

2500 Tape & Reel

Typical Applications

NCP5214AMNR2G DFN22

(Pb−Free)

• Notebook DDR/DDR2 Memory Supply and Termination Voltage

• Active Termination Busses (SSTL−18, SSTL−2, SSTL−3)

†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.

Semiconductor Components Industries, LLC, 2006

Publication Order Number:

May, 2006 − Rev. 0

NCP5214A/D

12 3 4 5 6 7...31

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与NCP5214A相关器件

型号	品牌	获取价格	描述	数据表
NCP5214AMNR2G	ONSEMI	获取价格	2−in−1 Notebook DDR Power Controller
NCP5214MNR2	ONSEMI	获取价格	2-in-1 Notebook DDR Power Controller
NCP5214MNR2G	ONSEMI	获取价格	2-in-1 Notebook DDR Power Controller
NCP5215	ONSEMI	获取价格	Dual Synchronous Buck Controller for Notebook Power System
NCP5215MNR2G	ONSEMI	获取价格	Dual Synchronous Buck Controller for Notebook
NCP5217A	ONSEMI	获取价格	Single Synchronous Step-Down Controller
NCP5217AMNTXG	ONSEMI	获取价格	Single Synchronous Step-Down Controller
NCP5218	ONSEMI	获取价格	2−in−1 Notebook DDR Power Controller
NCP5218MNR2G	ONSEMI	获取价格	2−in−1 Notebook DDR Power Controller
NCP5220	ONSEMI	获取价格	3−in−1 PWM Dual Buck and Linear Power Controller

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