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参数资料
| 型号： | RT9173CGSP |
| 厂商： | Richtek Technology Corporation |
| 英文描述： | Cost-Effective, 2A Sink/Source Bus Termination Regulator |
| 中文描述： | 成本效益，甲汇/源总线终端稳压器 |
| 文件页数： | 1/13页 |
| 文件大小： | 235K |
| 代理商： | RT9173CGSP |
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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相关代理商/技术参数 |
参数描述 |
|---|---|
| RT9173DGSP | 功能描述:IC REG BUS TERMINATION 3A 8SOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 专用型 系列:- 标准包装:2,000 系列:- 应用:控制器，DSP 输入电压:4.5 V ~ 25 V 输出数:2 输出电压:最低可调至 1.2V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:30-TFSOP（0.173"，4.40mm 宽） 供应商设备封装:30-TSSOP 包装:带卷 (TR) |
| RT9173GS | 功能描述:IC REG BUS TERMINATION 1.5A 8SOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 专用型 系列:- 标准包装:43 系列:- 应用:控制器，Intel VR11 输入电压:5 V ~ 12 V 输出数:1 输出电压:0.5 V ~ 1.6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:48-VFQFN 裸露焊盘 供应商设备封装:48-QFN（7x7） 包装: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 类别:集成电路 (IC) >> PMIC - 稳压器 - 线性晶体管驱动器 系列:- 产品培训模块:More Information on LDOs 标准包装:2,500 系列:- 类型:正，固定式 输出数:2 输出电压:2.8V，3.3V 电流 - 电源:12mA 输入电压:5 V ~ 22 V 工作温度:0°C ~ 70°C 封装/外壳:16-SOIC（0.154"，3.90mm 宽） 供应商设备封装:16-SOIC 包装:带卷 (TR) |
| RT9174PS | 制造商:Richtek Technology Corporation 功能描述: |
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