Datasheet 搜索 > 稳压芯片 > Richtek（立锜） > RT9199GSP 数据手册 > RT9199GSP 其他数据使用手册 1/13 页
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RT9199GSP 其他数据使用手册 - Richtek（立锜）
制造商:
Richtek（立锜）
分类:
稳压芯片
封装:
SOIC-8
描述:
RICHTEK RT9199GSP 芯片, 线性稳压器, 6V, SOP-8
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RT9199GSP数据手册
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RT9199
1
DS9199-08 July 2008 www.richtek.com
Pin Configurations
Cost-Effective, 2A Peak Sink/Source Bus Termination Regulator
Ordering Information
General Description
The RT9199 is a simple, cost-effective and high-speed
linear regulator designed to generate termination voltage
in double data rate (DDR) memory system to comply with
the devices requirements. The regulator is capable of
actively sinking or sourcing up to peak 2A for DDRII or
1.5A for DDRIII while regulating an output voltage to within
20mV. The output termination voltage can be tightly
regulated to track 1/2V
DDQ
by two external voltage divider
resistors or the desired output voltage can be pro-grammed
by externally forcing the REFEN pin voltage.
The RT9199 also incorporates a high-speed differential
amplifier to provide ultra-fast response in line/load transient.
Other features include extremely low initial offset voltage,
excellent load regulation, current limiting in bi-directions
and on-chip thermal shut-down protection.
The RT9199 are available in both SOP-8 and SOP-8
(Exposed Pad) surface mount packages.
Features
zz
zz
z Ideal for DDRII / DDRIII V
TT
Applications
zz
zz
z Sink and Source Current :
Peak 2A for DDRII
Peak 1.5A for DDRIII
zz
zz
z Integrated Power MOSFETs
zz
zz
z Generate Termination Voltage for DDR Memory
Interfaces
zz
zz
z High Accuracy Output Voltage at Full-Load
zz
zz
z Output Adjustment by Two External Resistors
zz
zz
z Low External Component Count
zz
zz
z Shutdown for Suspend to RAM (STR) Functionality
with High-Impedance Output
zz
zz
z Current Limiting Protection
zz
zz
z On-Chip Thermal Protection
zz
zz
z RoHS Compliant and 100% Lead (Pb)-Free
Applications
z Desktop PCs, Notebooks, and Workstations
z Graphics Card Memory Termination
z Set Top Boxes, Digital TVs, Printers
z Embedded Systems
z Active Termination Buses
z DDR/II Memory Systems
(TOP VIEW)
SOP-8
SOP-8 (Exposed Pad)
Note :
Richtek Pb-free and Green products are :
RoHS compliant and compatible with the current require-
ments of IPC/JEDEC J-STD-020.
Suitable for use in SnPb or Pb-free soldering processes.
100%matte tin (Sn) plating.
VIN
GND
REFEN
VOUT
VCNTL
2
3
4
5
6
7
8
VCNTL
VCNTL
VCNTL
Package Type
S : SOP-8
SP : SOP-8 (Exposed Pad-Option 2)
RT9199
Operating Temperature Range
P : Pb Free with Commercial Standard
G : Green (Halogen Free with Commer-
cial Standard)
VIN
GND
REFEN
VOUT
NC
NC
NC
VCNTL
GND
2
3
4
5
6
7
8
9
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