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EUP7996 데이터시트 PDF




Eutech Microelectronics에서 제조한 전자 부품 EUP7996은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

PDF 형식의 EUP7996 자료 제공

부품번호 EUP7996 기능
기능 1.5A DDR Termination Regulator
제조업체 Eutech Microelectronics
로고 Eutech Microelectronics 로고


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EUP7996 데이터시트, 핀배열, 회로
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.
www.DataSheet4U.com
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




EUP7996 pdf, 반도체, 판매, 대치품
Absolute Maximum Ratings
Input voltage - - - - - - - - - - - - - - - - - -
Power dissipation - - - - - - - - - - - - - - -
ESD rating - - - - - - - - - - - - - - - - - - -
Maximum junction temperature - - - - - -
Storage temperature range - - - - - - - - -
Lead temperature (soldering , 5 sec) - -
SOP-8 thermal resistance, jA - - - - - - -
SOP-8(FD) thermal resistance, jA - - --
6V
Internal limiting
3KV
150 °C
-65°C to150°C
260 °C
67.9 °C/W
42.3 °C/W
EUP7996
Operating Range
Junction Temp. Range - - - - -40°C to 125°C
AVIN to GND - - - - - - - - - - -1.8V to 5.5V
PVIN,VDDQ to GND - - - - - 1.8V to AVIN
SD Input Voltage - - - - - - - - - - 0 to AVIN
Electrical Characteristics
Specifications with standard typeface are for TA=25 °C, unless otherwise specified, AVIN=2.5V
Symbol
Parameter
Conditions
Min Typ
www.DataSheVet4RUE.Fcom
VREF Voltage
VTT VTT Output Voltage
VOS Output Offset Voltage
IQ Quiescent Current (Note 2)
IREF=0mA
PVIN=VDDQ=2.5V
PVIN=VDDQ=1.8V
PVIN=VDDQ=2.5V
IOUT = 0A
IOUT =±1.5A
PVIN=VDDQ=1.8V
IOUT =0A
IOUT =±0.9 A
PVIN=VDDQ=2.5V
IOUT=0A
IOUT=-1.5A
IOUT=+1.5A
PVIN=VDDQ=1.8V
IOUT=0A
IOUT=-1A
IOUT=+0.9A
IOUT = 0A
1.235
0.886
1.225
1.225
0.885
0.885
-20
-25
-25
-15
-20
-20
200
1.242
0.899
1.251
1.251
0.892
0.892
0
0
0
0
0
0
305
ISHDN
Quiescent Current in
Shutdown
SD = 0V
50 75
ILKG_SD
Shutdown leakage current
IV
VTT Leakage Current in
Shutdown
Over Temperature Protection
TSD
TSD _HYS
Thermal Shutdown
Temperature
Thermal Shutdown
Hysteresis
Shutdown function
SD = 0V
SD = 0V,
VTT = 1.25V
Guaranteed by design
Guaranteed by design
-- 0.16
-- 0.13
- - 155
- - 30
VIH
Shutdown Threshold Trigger
VIL
Output = High
Output = Low
1.8
--
Note 1: VOS offset is the voltage measurement defined as VTT subtracted from VREF.
Note 2: Quiescent current defined as the current flow into AVIN.
DS7996 Ver2.5 June.2005
4
--
--
Max
1.285
0.914
1.290
1.290
0.915
0.915
20
25
25
15
20
20
500
200
--
--
--
--
--
0.6
Units
V
V
V
mV
mV
µA
µA
µA
µA
°C
°C
V

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EUP7996 전자부품, 판매, 대치품
EUP7996
1.25Vtt Transient Response
AVIN==PVIN=VDDQ=2.5V Cour=330uF/16V
www.DataSheet4U.com
0.9Vtt Transient Response
AVIN=2.5V, PVIN=VDDQ=1.8V Cour=330uF/16V
DS7996 Ver2.5 June.2005
7

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