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PDF EUP7996 Data sheet ( Hoja de datos )
| Número de pieza | EUP7996 | |
| Descripción | 1.5A DDR Termination Regulator | |
| Fabricantes | Eutech Microelectronics | |
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EUP7996
1.5A DDR Termination Regulator
DESCRIPTION
The EUP7996 is a high performance linear regulator
designed to provide power for termination of a DDR
memory bus. It significantly reduces parts count, board
space and overall system cost over previous switching
solutions.
The EUP7996 contains a high-speed operational amplifier
to provide excellent response to load transients. The
EUP7996 also incorporates a VSENSE pin to provide
superior load regulation and a VREF output as a reference
for chipset and DIMMs.
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An additional feature found on the EUP7996 is an active
low shutdown (SD) pin. When SD is pulled low the VTT
output will Tri-state providing a high impedance output,
but, VREF will remain active. A power savings advantage
can be obtained in this mode through lower quiescent
current.
The EUP7996, 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. A typical
DDR memory system is seen in Figure 1.
FEATURES
z Extremely low quiescent current (305uA)
z Fast transient response time
z Capable of sourcing and sinking 1.5A for DDR-I
termination
z Reference out for other memory and control
components
z Low-current shutdown mode
z Over-temperature protection
z High accuracy output voltage at full-load
z Low external component count
z Available in SOP-8, SOP(FD) package
z RoHS compliant and 100% lead (Pb)-free
APPLICATIONS
z DDR-I and DDR-II termination voltage
SIMPLIFIED SYSTEM DIRGRAM
DS7996 Ver2.5 June.2005
Figure 1.
1
1 page  
Typical Performance Characteristics
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EUP7996
VTT vs VDDQ
DS7996 Ver2.5 June.2005
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5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet EUP7996.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| EUP7996 | 1.5A DDR Termination Regulator | Eutech Microelectronics |
| EUP7998 | Sink/Source DDR Termination Regulator |  Eutech |
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