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參數資料
| 型號： | RT9173C |
| 廠商： | Richtek Technology Corporation |
| 英文描述： | Cost-Effective, 2A Sink/Source Bus Termination Regulator |
| 中文描述： | 成本效益，甲匯/源總線終端穩壓器 |
| 文件頁數： | 1/13頁 |
| 文件大小： | 235K |
| 代理商： | RT9173C |
RT9173C
1
DS9173C-12 September 2007
www.richtek.com
Pin Configurations
Cost-Effective, 2A Sink/Source Bus Termination Regulator
Ordering Information
RT9173C
General Description
The RT9173C 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 JEDEC SSTL_2 and SSTL_18 or other specific
interfaces such as HSTL, SCSI-2 and SCSI-3 etc. devices
requirements. The regulator is capable of actively sinking
or sourcing up to 2A while regulating an output voltage to
within 40mV. The output termination voltage cab 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 RT9173C 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 RT9173C are available in the SOP-8 (Exposed Pad)
surface mount packages.
Features
z
Ideal for DDR-I, DDR-II and DDR-III V
TT
Applications
z
Sink and Source 2A Continuous Current
z
Integrated Power MOSFETs
z
Generates Termination Voltage for SSTL_2,
SSTL _18, HSTL, SCSI-2 and SCSI-3 Interfaces
z
High Accuracy Output Voltage at Full-Load
z
Output Adjustment by Two External Resistors
z
Low External Component Count
z
Shutdown for Suspend to RAM (STR) Functionality
with High-Impedance Output
z
Current Limiting Protection
z
On-Chip Thermal Protection
z
Available in
SOP-8 (E
xposed Pad) Packages
z
V
IN
and V
CNTL
No Power Sequence Issue
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-I, DDR-II and DDR-III Memory Systems
(TOP VIEW)
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.
Package Type
SP : SOP-8 (Exposed Pad-Option 1)
Operating Temperature Range
P : Pb Free with Commercial Standard
G : Green (Halogen Free with Commer-
cial Standard)
VIN
GND
REFEN
VOUT
NC
NC
VCNTL
NC
GND
2
3
4
5
6
7
8
9
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| RT9173CGSP | Cost-Effective, 2A Sink/Source Bus Termination Regulator |
| RT9173CPSP | Cost-Effective, 2A Sink/Source Bus Termination Regulator |
| RT9173D | Cost-Effective, Peak 3A Sink/Source Bus Termination Regulator |
| RT9173DGSP | Cost-Effective, Peak 3A Sink/Source Bus Termination Regulator |
| RT9173DPSP | Cost-Effective, Peak 3A Sink/Source Bus Termination Regulator |
相關代理商/技術參數 |
參數描述 |
|---|---|
| RT9173CGSP | 功能描述:IC REG BUS TERMINATION 2A 8SOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩壓器 - 專用型 系列:- 標準包裝:2,000 系列:- 應用:控制器，DSP 輸入電壓:4.5 V ~ 25 V 輸出數:2 輸出電壓:最低可調至 1.2V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:30-TFSOP（0.173"，4.40mm 寬） 供應商設備封裝:30-TSSOP 包裝:帶卷 (TR) |
| RT9173DGSP | 功能描述:IC REG BUS TERMINATION 3A 8SOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩壓器 - 專用型 系列:- 標準包裝:2,000 系列:- 應用:控制器，DSP 輸入電壓:4.5 V ~ 25 V 輸出數:2 輸出電壓:最低可調至 1.2V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:30-TFSOP（0.173"，4.40mm 寬） 供應商設備封裝:30-TSSOP 包裝:帶卷 (TR) |
| RT9173GS | 功能描述:IC REG BUS TERMINATION 1.5A 8SOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩壓器 - 專用型 系列:- 標準包裝:43 系列:- 應用:控制器，Intel VR11 輸入電壓:5 V ~ 12 V 輸出數:1 輸出電壓:0.5 V ~ 1.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:48-VFQFN 裸露焊盤 供應商設備封裝:48-QFN（7x7） 包裝:管件 |
| RT9173PS | 制造商:RICHTEK 功能描述:REGULATOR |
| RT9174GS | 功能描述:IC REG CTRLR TRPL POS ADJ 8SOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩壓器 - 線性晶體管驅動器 系列:- 產品培訓模塊:More Information on LDOs 標準包裝:2,500 系列:- 類型:正，固定式 輸出數:2 輸出電壓:2.8V，3.3V 電流 - 電源:12mA 輸入電壓:5 V ~ 22 V 工作溫度:0°C ~ 70°C 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:16-SOIC 包裝:帶卷 (TR) |
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