DATA SHEET
www.onsemi.com
MARKING
DIAGRAM
1.5A DDR Memory
Termination Regulator
8
SOIC8−NB EP
PD SUFFIX
XXXXXXXXX
8
ALYWX
NCP51198, NCV51198
The NCP/NCV51198 is a simple, cost−effective, high−speed linear
CASE 751BU
G
1
1
regulator designed to generate the V termination voltage rail for
TT
XXXXX = Specific Device Code
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.
A
L
Y
W
G
= Assembly Location
= Wafer Lot
= Year
= Work Week
= Pb−Free Package
The output termination voltage is tightly regulated to track V
=
TT
(V
/ 2) over the entire current range.
DDQ
The NCP/NCV51198 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.
PIN CONNECTION
1
8
GND
/SS
V
TT
PV
V
CC
V
TTS
CC
The NCP/NCV51198 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 NCP/NCV51198 is available in a SOIC−8 Exposed Pad
package.
V
V
DDQ
REF
SOIC−8 EP
ORDERING INFORMATION
See detailed ordering, marking and shipping information in the
package dimensions section on page 8 of this data sheet.
Features
• 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 to 0.5 A (peak)
• Integrated Power MOSFETs with Thermal Protection
• Stable with 10 mF Ceramic V Capacitor
TT
• High Accuracy Output Voltage at Full−Load
• Minimal External Component Count
• Shutdown for Standby or Suspend to RAM (STR) mode
• Built−in Soft Start
• NCV Prefix for Automotive and Other Applications Requiring
Unique Site and Control Change Requirements; AEC−Q100
Qualified and PPAP Capable
• These are Pb−Free Devices
Appications
• Desktop PC’s, Notebooks, and Workstations
• Graphics Card DDR Memory Termination
• Set Top Boxes, Digital TV’s, Printers
• Embedded Systems
• Active Bus Termination
© Semiconductor Components Industries, LLC, 2015
1
Publication Order Number:
May, 2022 − Rev. 4
NCP51198/D