Datasheet > NCP5208

NCP5208

更新时间： 2024-01-18 23:53:00

品牌	Logo	应用领域
安森美 - ONSEMI		稳压器双倍数据速率
页数	文件大小	规格书
10页	86K
描述
DDR-I/II Termination Regulator

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NCP5208 数据手册

NCP5208

DDR−I/II Termination

Regulator

The NCP5208 is a linear regulator specifically designed for the

active termination of DDR−I/II SDRAM. The device can be operated

from a single supply voltage as low as 1.7 V. For DDR−I

applications, the device is capable of sourcing and sinking current up

to 1.5 A with the output voltage regulated to within "3% or better. A

separate voltage feedback pin ensures superior load regulation

against load and line changes.

http://onsemi.com

MARKING

DIAGRAM

Protective features include soft−start, source/sink current limits

and thermal shutdown. Open−drain VTT OK output (POK) is added

for system monitoring. The shutdown pin can tri−state the regulator

output for Suspend To RAM (STR) state. This device is available in a

SO−8 package.

SO−8

D SUFFIX

CASE 751

N5208

ALYW

Features

= Assembly Location

= Wafer Lot

= Year

• Supports Both DDR−I and DDR−II SDRAM Requirements

• Single Supply Voltage Operation as Low as 1.7 V

• Integrated Power MOSFETs

• Few External Components Needed

• Source and Sink Current Up to 1.5 A

• Load Regulation Within "3%

• Both Source and Sink Current Limits

• Open−Drain VTT OK (POK) Pin

• Shutdown Pin

W = Work Week

PIN CONNECTIONS

POK

GND

VFB

VTT

PVIN

AVIN

VDDQ

• Thermal Shutdown

• Housed in SO−8 Package

(Top View)

Typical Applications

• DDR Termination Voltage

• Active Bus Termination (SSTL−2, SSTL−3)

ORDERING INFORMATION

Device

NCP5208DR2

Package

Shipping†

SO−8

2500 Tape & Reel

VDDQ

†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.

2.5 V

AVIN

NCP5208

POK

VTT

AVIN

PVIN

VTT

VFB

1.25 V,

1.5 A

2.5 V

OUT

GND

Figure 1. Typical Application Circuit

Semiconductor Components Industries, LLC, 2004

Publication Order Number:

February, 2004 − Rev. 3

NCP5208/D

12 3 4 5 6 7...10

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