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LP2997M 数据表(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
部件名 LP2997M
功能描述  DDR-II Termination Regulator
PDF  12 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  NSC [National Semiconductor (TI)]
网页  http://www.national.com
标志 NSC - National Semiconductor (TI)

LP2997M 数据表(HTML) 3 Page - National Semiconductor (TI)

  LP2997M Datasheet HTML 1Page - National Semiconductor (TI) LP2997M Datasheet HTML 2Page - National Semiconductor (TI) LP2997M Datasheet HTML 3Page - National Semiconductor (TI) LP2997M Datasheet HTML 4Page - National Semiconductor (TI) LP2997M Datasheet HTML 5Page - National Semiconductor (TI) LP2997M Datasheet HTML 6Page - National Semiconductor (TI) LP2997M Datasheet HTML 7Page - National Semiconductor (TI) LP2997M Datasheet HTML 8Page - National Semiconductor (TI) LP2997M Datasheet HTML 9Page - National Semiconductor (TI) Next Button
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Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
PVIN, AVIN, VDDQ to GND
No pin should exceed AVIN
−0.3V to +6V
Storage Temp. Range
−65˚C to +150˚C
Junction Temperature
150˚C
Lead Temperature (Soldering, 10 sec)
260˚C
SO-8 Thermal Resistance (
θ
JA)
151˚C/W
PSOP-8 Thermal Resistance (
θ
JA)
43˚C/W
Minimum ESD Rating (Note 2)
1kV
Operating Range
Junction Temp. Range (Note 3)
0˚C to +125˚C
AVIN to GND
2.2V to 5.5V
Electrical Characteristics Specifications with standard typeface are for T
J = 25˚C and limits in boldface
type apply over the full Operating Temperature Range (T
J = 0˚C to +125˚C) (Note 4). Unless otherwise specified,
AVIN = 2.5V, PVIN = 1.8V, VDDQ = 1.8V.
Symbol
Parameter
Conditions
Min
Typ
Max
Units
V
REF
V
REF Voltage
PVIN = VDDQ = 1.7V
PVIN = VDDQ = 1.8V
PVIN = VDDQ = 1.9V
0.837
0.887
0.936
0.860
0.910
0.959
0.887
0.937
0.986
V
Z
VREF
V
REF Output
Impedance
I
REF = -30 to +30 µA
2.5
k
Ω
V
TT
V
TT Output Voltage
I
OUT =0A
PVIN = VDDQ = 1.7V
PVIN = VDDQ = 1.8V
PVIN = VDDQ = 1.9V
0.822
0.874
0.923
0.856
0.908
0.957
0.887
0.939
0.988
V
I
OUT = ±0.5A (Note 7)
PVIN = VDDQ = 1.7V
PVIN = VDDQ = 1.8V
PVIN = VDDQ = 1.9V
0.828
0.878
0.928
0.856
0.908
0.957
0.890
0.940
0.990
Vos
TT/VTT
V
TT Output Voltage
Offset (V
REF-VTT)
I
OUT =0A
I
OUT = -0.5A
I
OUT = +0.5A
-25
-25
-25
0
0
0
25
25
25
mV
I
Q
Quiescent Current
(Note 5)
I
OUT = 0A (Note 5)
320
500
µA
Z
VDDQ
VDDQ Input Impedance
100
k
Ω
I
SD
Quiescent Current in
Shutdown (Note 5)
SD = 0V
115
150
µA
I
Q_SD
Shutdown Leakage
Current
SD=0V
2
5
µA
V
IH
Minimum Shutdown
High Level
1.9
V
V
IL
Minimum Shutdown
Low Level
0.8
V
I
SENSE
V
SENSE Input Current
13
nA
T
SD
Thermal Shutdown
(Note 6)
165
Celsius
T
SD_HYS
Thermal Shutdown
Hysteresis
10
Celsius
www.national.com
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