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參數(shù)資料
| 型號(hào)： | G2995 |
| 廠商： | Global Mixed-mode Technology Inc. |
| 英文描述： | DDR Termination Regulator |
| 中文描述： | DDR終端穩(wěn)壓器 |
| 文件頁(yè)數(shù)： | 1/12頁(yè) |
| 文件大?。?/td> | 272K |
| 代理商： | G2995 |
Ver: 1.7
May 10, 2005
TEL: 886-3-5788833
http://www.gmt.com.tw
1
G2995
Global Mixed-mode Technology Inc.
DDR Termination Regulator
Features
Operation Supply Voltage: 1.6V to 5.5V
Low Supply Current: 280A @ 2.5V
Low Output Offset
Source and Sink Current
Low External Component Count
No Inductor Required
No external Resistors Required
Thermal Shutdown Protection
SOP-8L with Power-Pad package
Applications
DDR-SDRAM Termination Voltage
DDR-I / DDR-II Termination Voltage
SSTL-2
SSTL-3
General Description
The G2995 is a linear regulator designed to meet the
JEDEC SSTL-2 and SSTL-3 (Series Stub Termination
Logic) specifications for termination of DDR-SDRAM.
It contains a high-speed operational amplifier that pro-
vides excellent response to the load transients. This
device can deliver 1.5A continuous current and tran-
sient peaks up to 3A in the application as required for
DDR-SDRAM termination. With an independent VSENSE
pin, the G2995 can provide superior load regulation.
The G2995 provides a VREF output as the reference for
the applications of the chipset and DIMMs.
The G2995 can easily provide the accurate VTT and
VREF voltages without external resistors that PCB ar-
eas can be reduced. The quiescent current is as low
as 280A @ 2.5V. So the power consumption can
meet the low power consumption applications.
Ordering Information
ORDER
NUMBER
ORDER NUMBER
(Pb free)
MARKING
TEMP.
RANGE
PACKAGE
G2995P1U
G2995P1Uf
G2995
-40°C to 85°C
SOP-8
G2995F1U
G2995F1Uf
G2995
-40°C to 85°C
SOP-8 (FD)
Note: P1:SOP-8
F1:SOP-8(FD)
U: Tape & Reel
(FD): Thermal Pad
Pin Configuration
Typical Application Circuit
VSENSE
8
6
5
1
2
3
4
GND
VTT
PVIN
AVIN
VDDQ
SOP-8
G2995
7
VREF
Thermal
Pad
+
V
REF
V
DDQ
AV
IN
V
SENSE
PV
IN
V
TT
GND
V
TT=1.25V
V
REF=1.25V
V
DDQ=2.5V
V
DD=2.5V
47F
220F
0.01F
NC
VSENSE
8
6
5
1
2
3
4
GND
VTT
PVIN
AVIN
VDDQ
SOP-8
G2995
7
VREF
Thermal
Pad
+
V
REF
V
DDQ
AV
IN
V
SENSE
PV
IN
V
TT
GND
V
TT=1.25V
V
REF=1.25V
V
DDQ=2.5V
V
DD=2.5V
47F
220F
0.01F
NC
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| G2995F1U | DDR Termination Regulator |
| G2995F1UF | DDR Termination Regulator |
| G2995P1U | DDR Termination Regulator |
| G2995P1UF | DDR Termination Regulator |
| G2996F1UF | DDR I/II Termination Regulator |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| G2995F1U | 制造商:GMT 制造商全稱:Global Mixed-mode Technology Inc 功能描述:DDR Termination Regulator |
| G2995F1UF | 制造商:GMT 制造商全稱:Global Mixed-mode Technology Inc 功能描述:DDR Termination Regulator |
| G2995P1U | 制造商:GMT 制造商全稱:Global Mixed-mode Technology Inc 功能描述:DDR Termination Regulator |
| G2995P1UF | 制造商:GMT 制造商全稱:Global Mixed-mode Technology Inc 功能描述:DDR Termination Regulator |
| G2996 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DDR Termination Regulator with STR function.|Terminator Series |
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