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參數(shù)資料
| 型號(hào)： | SP2996B |
| 英文描述： | 2A Bus Termination Regulator |
| 中文描述： | 甲總線終端穩(wěn)壓器 |
| 文件頁(yè)數(shù)： | 1/10頁(yè) |
| 文件大?。?/td> | 92K |
| 代理商： | SP2996B |
1
Date: 07/7/05
SP2996B 2A Termination Regulator
Copyright 2005 Sipex Corporation
2A Bus Termination Regulator
Advanced SP2996B
FEATURES
■
Capable of sourcing and sinking 2A
Continuous current
■
Supports both DDR1 (1.25V
TT
) and
DDR2 (0.9V
) requirements
■
Low Output Voltage Offset,
+
20mV
■
Thermal and Current Limit Protection
■
Integrated Power MOSFETs
■
Generates Termination for SSTL-2
■
High Accuracy Output at Full Load
■
Adjustable V
by External Resistors
■
Minimal External Components
■
Available in 8 pin NSOIC package
The SP2996B voltage regulator is designed to convert voltage supplies ranging from 1.6V to
6V into a desired output voltage which is adjusted by an external resistor divider. The regulator
is capable of sourcing or sinking up to 2A of Continuous current while regulating an output
voltage to within 20mV. The SP2996B provides an excellent voltage source for active
termination schemes of high speed transmission lines such as those seen in high speed
memory buses and distributed backplane designs when used in conjunction with series
termination resistors. The voltage output of the regulator can be used as a termination voltage
for DDR SDRAM, and it meets the JEDEC SSTL-2 and SSTL-3 specifications . Current limits
in both sourcing and sinking mode, plus on-chip thermal shutdown make the circuit tolerant
of output fault conditions.
APPLICATIONS
■
DDR Memory Termination
■
Active Bus Termination
■
Supply Splitter
DESCRIPTION
Now Available in Lead Free Packaging
TYPICAL APPLICATIONS CIRCUIT
SP2996B
R1
R2
V
REF
V
CNTL
V
IN
GND
C
IN
470
μ
F
V
IN
= 2.5V
V
OUT
C
CNTL
47
μ
F
C
OUT
220
μ
F
C
1
EN
CES7002A
V
CNTL
= 3.3V
100k
4
100pF
V
OUT
3
1
2
5,6,7,8
100k
1
2
3
4
5
6
7
8
SP2996B
8 Pin nSOIC
VIN
GND
REFEN
VOUT
VCNTL
VCNTL
VCNTL
VCNTL
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SP2996BEN | 2A Bus Termination Regulator |
| SP34063A | 1.5A Buck/Boost/Inverting DC-DC Switching Regulator |
| SP34063AEN | 1.5A Buck/Boost/Inverting DC-DC Switching Regulator |
| SP6659 | 1.5MHz, 600mA Synchronous Buck Regulator |
| SP6659EK1 | 1.5MHz, 600mA Synchronous Buck Regulator |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SP2996BEN | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:2A Bus Termination Regulator |
| SP2996BEN/TR | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:2A Bus Termination Regulator |
| SP2996BEN-L | 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) 2A REGULATOR FOR DDR BUS TERMINATION RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負(fù)載調(diào)節(jié): 最大輸入電壓:5.5 V 線路調(diào)整率: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
| SP2996BEN-L | 制造商:Exar Corporation 功能描述:IC TERMINATION REG DDR BUS 2A |
| SP2996BEN-L/TR | 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) 2A REGULATOR FOR DDR BUS TERMINATION RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負(fù)載調(diào)節(jié): 最大輸入電壓:5.5 V 線路調(diào)整率: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
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