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What is G2995?

This electronic component, produced by the manufacturer "Global Mixed-mode Technology", performs the same function as "DDR Termination Regulator".


G2995 Datasheet PDF - Global Mixed-mode Technology

Part Number G2995
Description DDR Termination Regulator
Manufacturers Global Mixed-mode Technology 
Logo Global Mixed-mode Technology Logo 


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Global Mixed-mode Technology Inc.
DDR Termination Regulator
G2995
Features
„ Operation Supply Voltage: 1.6V to 5.5V
„ Low Supply Current: 280µA @ 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 280µA @ 2.5V. So the power consumption can
meet the low power consumption applications.
Ordering Information
ORDER
NUMBER
G2995P1U
G2995F1U
Note: P1:SOP-8
U: Tape & Reel
ORDER NUMBER
(Pb free)
G2995P1Uf
G2995F1Uf
F1:SOP-8(FD)
(FD): Thermal Pad
Pin Configuration
MARKING
G2995
G2995
TEMP.
RANGE
-40°C to 85°C
-40°C to 85°C
PACKAGE
SOP-8
SOP-8 (FD)
Typical Application Circuit
NC 1
GND 2
VSENSE 3
VREF 4
G2995
SOP-8
8 VTT
7 PVIN
6 AVIN
5 VDDQ
Thermal
Pad
VDDQ=2.5V
VDDQ
VREF
VDD=2.5V
+
47µF
AVIN
VSENSE
PVIN
VTT
GND
+ VREF=1.25V
0.01µF
VTT=1.25V
+
220µF
Ver: 1.7
May 10, 2005
TEL: 886-3-5788833
http://www.gmt.com.tw
1

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G2995 equivalent
Global Mixed-mode Technology Inc.
G2995
Typical Performance Characteristics
AVIN=2.5V, PVIN=2.5V, VDDQ=2.5V, CAVIN=0.1µF, CPVIN=47µF, CVREF=0.01µF, CVTT=220µF, TA=25°C, unless other-
wise noted.
Maximum Sinking Current vs AVIN
(VDDQ=2.5V)
3
2.8
2.6
2.4
2.2
2
1.8
1.6
1.4
2 2.5 3 3.5 4 4.5 5 5.5
AVIN(V)
Maximum Sourcing Current vs AVIN
(VDDQ=1.8V, PVIN=1.8V)
1.4
1.2
1
0.8
0.6
0.4
0.2
0
2 2.5 3 3.5 4 4.5 5 5.5
AVIN(V)
Maximum Sinking Current vs AVIN
(VDDQ=1.8V)
2.8
2.6
2.4
2.2
2
1.8
1.6
1.4
1.2
1
2 2.5 3 3.5 4 4.5 5 5.5
AVIN(V)
VOSVTT vs Temperature(VDDQ=2.5V)
30
20 Sourcing 1.5A
10
No Load
0
-10
-20 Sinking 1.5A
-30
0
25 50 75 100
Temperature()
125
Maximum Sourcing Current vs AVIN
(VDDQ=1.8V, PVIN=3.3V)
3 IO=200m
2.8
2.6
2.4
2.2
2
2 2.5 3 3.5 4 4.5 5 5.5
AVIN(V)
Ver: 1.7
May 10, 2005
TEL: 886-3-5788833
http://www.gmt.com.tw
5


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for G2995 electronic component.


Information Total 12 Pages
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