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NCP51145

更新时间： 2024-11-24 01:08:03
品牌 Logo 应用领域
安森美 - ONSEMI 双倍数据速率
页数 文件大小 规格书
6页 82K
描述
DDR 1.8 Amp Source Termination Regulator

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中文翻译

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NCP51145 数据手册

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NCP51145  
DDR 1.8 Amp Source / Sink  
VTT Termination Regulator  
The NCP51145 is a linear regulator designed to supply a regulated  
V
TT  
termination voltage for DDR−II, DDR−III, LPDDR−III and  
DDR−IV memory applications. The regulator is capable of actively  
sourcing and sinking 1.8 A peak currents while regulating an output  
voltage to within 20 mV. The output termination voltage is regulated  
www.onsemi.com  
to track V  
/ 2 by two external voltage divider resistors connected  
DDQ  
MARKING  
DIAGRAMS  
to the PV , GND, and V  
pins.  
CC  
REF  
The NCP51145 incorporates a high−speed differential amplifier to  
provide ultra−fast response to line and load transients. Other features  
include source/sink current limiting, soft−start and on−chip thermal  
shutdown protection.  
8
SOIC−8 EP  
D SUFFIX  
CASE 751BU  
51145  
AYWWG  
G
8
1
Features  
1
• For DDR V Applications, Source/Sink Currents:  
TT  
1
DFN8  
MN SUFFIX  
CASE 506AA  
• Supports DDR−II to 1.8 A, DDR−III to 1.5 A  
• Supports LPDDR−III and DDR−IV to 1.2 A  
• Stable Using Ceramic−Only (Very Low ESR) Capacitors  
• Integrated Power MOSFETs  
XXMG  
G
1
51145 = Specific Device Code  
XX  
M
A
= Specific Device Code  
= Date Code  
= Assembly Location  
= Year  
• High Accuracy V Output at Full−Load  
TT  
• Fast Transient Response  
Y
• Built−in Soft−Start  
WW  
G
= Work Week  
= Pb−Free Package  
• Shutdown for Standby or Suspend Mode  
(Note: Microdot may be in either location)  
• Integrated Thermal and Current−Limit Protection  
• V Remote Sense Available in the DFN8 2x2mm Package  
TT  
PIN CONNECTIONS  
• These Devices are Pb−Free and are RoHS Compliant  
1
8
1
8
Typical Applications  
PVCC  
V
CC  
PVCC  
GND  
NC  
NC  
NC  
V
V
• DDR−II / DR−III / DDR−IV SDRAM Termination Voltage  
• Motherboard, Notebook, and VGA Card Memory Termination  
• Set Top Box, Digital TV, Printers  
TT  
NC  
TTS  
VREF  
V
CC  
VREF  
GND  
V
NC  
TT  
SOIC−8 EP  
DFN8 2x2, 0.5P  
(Top Views)  
• Low Power DDR−3LP  
ORDERING INFORMATION  
†
Device  
Package  
Shipping  
NCP51145PDR2G  
SOIC−8  
2500 / Tape &  
(Pb−Free)  
Reel  
NCP51145MNTAG  
DFN−8  
(Pb−Free)  
3000 / Tape &  
Reel  
†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.  
© Semiconductor Components Industries, LLC, 2015  
1
Publication Order Number:  
April, 2017 − Rev. 3  
NCP51145/D  
123456

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