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NCP51190

Description
1.5A DDR Memory Termination Regulator
File Size158KB,9 Pages
ManufacturerON Semiconductor
Websitehttp://www.onsemi.cn
Download Datasheet View All

NCP51190 Overview

1.5A DDR Memory Termination Regulator

NCP51190
1.5A DDR Memory
Termination Regulator
The NCP51190 is a simple, cost−effective, high−speed linear
regulator designed to generate the V
TT
termination voltage rail for
DDR−I, DDR−II and DDR−III memory. The regulator is capable of
actively sourcing or sinking up to
±1.5
A for DDR−I, or up to
±0.5
A
for DDR−II
/−
III while regulating the output voltage to within
±30
mV.
The output termination voltage is tightly regulated to track V
TT
=
(V
DDQ
/ 2) over the entire current range.
The NCP51190 incorporates a high−speed differential amplifier to
provide ultra−fast response to line and load transients. Other features
include extremely low initial offset voltage, excellent load regulation,
source/sink soft−start and on−chip thermal shut−down protection.
The NCP51190 features the power−saving Suspend To Ram (STR)
function which will tri−state the regulator output and lower the
quiescent current drawn when the /SS pin is pulled low.
The NCP51190 is available in a DFN8 package.
Features
http://onsemi.com
MARKING
DIAGRAM
DFN8
MN SUFFIX
CASE 506AA
1
1
A5MG
G
A5
M
G
= Specific Device Code
= Date Code
= Pb−Free Device
(Note: Microdot may be in either location)
Generate DDR Memory Termination Voltage (V
TT
)
For DDR−I, DDR−II, DDR−III Source / Sink Currents
Supports DDR−I to
±1.5
A, DDR−II, DDR−III to
±0.5
A (peak)
Integrated Power MOSFETs with Thermal Protection
Stable with 10
mF
Ceramic V
TT
Capacitor
High Accuracy Output Voltage at Full−Load
Minimal External Component Count
Shutdown for Standby or Suspend to RAM (STR) mode
Built−in Soft Start
These are Pb−Free Devices
Desktop PC’s, Notebooks, and Workstations
Graphics Card DDR Memory Termination
Set Top Boxes, Digital TV’s, Printers
Embedded Systems
Active Bus Termination
PIN CONNECTION
ORDERING INFORMATION
Device
NCP51190MNTAG
Package
Shipping
Appications
DFN8
3000 / 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 Specifications
Brochure, BRD8011/D.
©
Semiconductor Components Industries, LLC, 2013
May, 2013
Rev. 0
1
Publication Order Number:
NCP51190/D
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