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參數(shù)資料
| 型號(hào)： | RT9173CS |
| 廠商： | Richtek Technology Corporation |
| 英文描述： | 1.5A/3A Bus Termination Regulator |
| 中文描述： | 1.5A/3A總線終端穩(wěn)壓器 |
| 文件頁數(shù)： | 1/10頁 |
| 文件大小： | 197K |
| 代理商： | RT9173CS |
RT9173/A
DS9173/A-06 March 2002
www.richtek-ic.com.tw
1
1.5A/3A Bus Termination Regulator
General Description
The RT9173/A regulator is designed to convert
voltage supplies ranging from 1.8V to 6V into a
desired output voltage which adjusted by two external
resistors, voltage divider. The regulator is capable of
sourcing or sinking up to 1.5A/3A of current while
regulating an output voltage to within 2% or less.
The RT9173/A, used in conjunction with series
termination resistors, provides an excellent voltage
source for active termination schemes of high speed
transmission lines as those seen in high speed
memory buses and distributed backplane designs.
The voltage output of the regulator can be used as a
termination voltage for DDR SDRAM.
Current limits in both sourcing and sinking mode, plus
on-chip thermal shutdown make the circuit tolerant of
the output fault conditions.
Applications
Computers
Disk Drives
CD-ROM
Supply Splitter
Graph Card
Ordering Information
RT9173/A
Features
Support Both DDR 1 (1.25VTT) and DDR 2
(0.9VTT) Requirements
Power TO-263-5 and SOP-8 Packages
Capable of Sourcing and Sinking Current
1.5A/3A
Current-limiting Protection
Thermal Protection
Integrated Power MOSFETs
Generates Termination Voltages for SSTL-2
High Accuracy Output Voltage at Full-load
Adjustable VOUT by External Resistors
Minimum External Components
Shutdown for Standby or Suspend Mode
Operation with High-impedance Output
Pin Configurations
Part Number
Pin Configurations
RT9173ACM5
(Plastic TO-263-5)
TOP VIEW
1. VIN
2. GND
3. VCNTL (TAB)
4. REFEN
5. VOUT
RT9173CS
(Plastic SOP-8)
TOP VIEW
Function Block Diagram
Operating temperature range
C: Commercial standard
Package type
M5 : TO-263-5
S : SOP-8
3A sink & source
1.5A sink & source
Thermal
Current
Limiting Sensor
VOUT
REFEN
GND
CNTL
VIN
VCNTL
12 3 4 5
VIN
GND
REFEN
VOUT
1
2
3
4
8
7
6
5
VCNTL
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| RT9173DGSP | 功能描述:IC REG BUS TERMINATION 3A 8SOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 專用型 系列:- 標(biāo)準(zhǔn)包裝:2,000 系列:- 應(yīng)用:控制器，DSP 輸入電壓:4.5 V ~ 25 V 輸出數(shù):2 輸出電壓:最低可調(diào)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(yīng)商設(shè)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(wěn)壓器 - 專用型 系列:- 標(biāo)準(zhǔn)包裝:43 系列:- 應(yīng)用:控制器，Intel VR11 輸入電壓:5 V ~ 12 V 輸出數(shù):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(yīng)商設(shè)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(wěn)壓器 - 線性晶體管驅(qū)動(dòng)器 系列:- 產(chǎn)品培訓(xùn)模塊:More Information on LDOs 標(biāo)準(zhǔn)包裝:2,500 系列:- 類型:正，固定式 輸出數(shù):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(yīng)商設(shè)備封裝:16-SOIC 包裝:帶卷 (TR) |
| RT9174PS | 制造商:Richtek Technology Corporation 功能描述: |
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