LP2998 Datasheet, PDF (3/18 Pages) Intersil Corporation – DDR-II and DDR-I Termination Regulator

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
Storage Temp. Range
Junction Temperature
Lead Temperature (Soldering, 10 sec)
−0.3V to +6V
−65°C to +150°C
150°C
260°C
SO-8 Thermal Resistance (θ_JA)
PSOP-8 Thermal Resistance (θ_JA)
Minimum ESD Rating (Note 2)
Operating Range
Junction Temp. Range (Note 3)
AVIN to GND
151°C/W
43°C/W
1kV
-40°C to +125°C
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 = -40°C to +125°C) (Note 4). Unless otherwise specified,
VIN = AVIN = PVIN = 2.5V.
Symbol
V_REF Voltage (DDR I)
Parameter
V_{REF VREF Voltage (DDR II)}
Z_VREF V_REF Output Impedance
V_TT Output Voltage (DDR I) (Note 7)
V_TT
V_TT Output Voltage (DDR II) (Note 7)
V_TT Output Voltage Offset (V_REF – V_TT) for DDR I (Note 7)
VOS_Vtt V_TT Output Voltage Offset (V_REF – V_TT) for DDR II (Note 7)
I_Q
Z_VDDQ
I_SD
I_{Q_SD}
V_IH
V_IL
Iv
Quiescent Current (Note 5)
VDDQ Input Impedance
Quiescent current in shutdown (Note 6)
Shutdown leakage current
Minimum Shutdown High Level
Maximum Shutdown Low Level
V_TT leakage current in shutdown
I_SENSE V_SENSE Input current
Conditions
VIN = VDDQ = 2.3V
VIN = VDDQ = 2.5V
VIN = VDDQ = 2.7V
PVIN = VDDQ = 1.7V
PVIN = VDDQ = 1.8V
PVIN = VDDQ = 1.9V
I_REF = -30 to +30 µA
I_OUT = 0A
VIN = VDDQ = 2.3V
VIN = VDDQ = 2.5V
VIN = VDDQ = 2.7V
I_OUT = +/- 1.5A
VIN = VDDQ = 2.3V
VIN = VDDQ = 2.5V
VIN = VDDQ = 2.7V
I_OUT = 0A, AVIN = 2.5V
PVIN = VDDQ = 1.7V
PVIN = VDDQ = 1.8V
PVIN = VDDQ = 1.9V
I_OUT = +/- 0.5A, AVIN = 2.5V
PVIN = VDDQ = 1.7V
PVIN = VDDQ = 1.8V
PVIN = VDDQ = 1.9V
I_OUT = 0A
I_OUT = -1.5A
I_OUT = +1.5A
Min
1.135
1.235
1.335
0.837
0.887
0.936
1.120
1.210
1.320
1.125
1.225
1.325
0.822
0.874
0.923
0.820
0.870
0.920
-30
-30
-30
Typ
1.150
1.250
1.350
0.850
0.910
0.950
2.5
1.150
1.250
1.350
1.150
1.250
1.350
0.850
0.900
0.950
0.850
0.900
0.950
0
0
0
Max
1.185
1.285
1.385
0.887
0.937
0.986
1.190
1.290
1.390
1.190
1.290
1.390
0.887
0.939
0.988
0.890
0.940
0.990
30
30
30
Units
V
V
V
V
V
V
kΩ
V
V
V
V
V
V
V
V
V
V
V
V
mV
mV
mV
I_OUT = 0A
I_OUT = -0.5A
I_OUT = +0.5A
I_OUT = 0A
SD = 0V
SD = 0V
SD = 0V
V_TT = 1.25V
-30 0
30 mV
-30 0
30 mV
-30 0
30 mV
320 500 µA
100
kΩ
115 150 µA
2
5
µA
1.9
V
0.8
V
1
10 µA
13
nA
3
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