MAX1510 Datasheet, PDF (4/13 Pages) Maxim Integrated Products – Low-Voltage DDR Linear Regulator

Low-Voltage DDR Linear Regulator
(Circuit of Figure 1. T_A = +25°C, unless otherwise noted)
Typical Operating Characteristics
OUTPUT LOAD REGULATION
0.96
V_REFIN = 0.9V
0.94
0.92
V_IN = 1.5V
0.90
0.88
V_IN = 1.2V
0.86
0.84
-3 -2 -1 0 1 2 3
I_OUT (A)
INPUT CURRENT (I_IN)
vs. INPUT VOLTAGE (V_IN)
250
V_OUT = 1.25V
200
V_OUT = 0.90V
150
100
50
0
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5
V_IN (V)
POWER GROUND CURRENT (I_PGND)
vs. SOURCE LOAD CURRENT (I_OUT)
0.25
V_IN = 1.5V
0.20
0.15
ENTERING
DROPOUT
0.10
V_OUT = 1.25V
0.05
V_OUT = 0.90V
0.00
0.0
0.5
1.0
1.5
2.0
I_OUT (A)
OUTPUT LOAD REGULATION
1.300
V_REFIN = 1.25V
1.275
1.250
V_IN = 1.8V
1.225
V_IN = 1.5V
1.200
-3 -2 -1 0
1
2
3
I_OUT (A)
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
0.0
BIAS CURRENT (I_CC)
vs. INPUT VOLTAGE (V_IN)
V_OUT = 1.25V
DROPOUT
INPUT UVLO
0.5 1.0 1.5 2.0 2.5 3.0 3.5
V_IN (V)
INPUT CURRENT (I_IN)
vs. SINK LOAD CURRENT (I_OUT)
7
V_IN = 1.5V
6
5
4
V_OUT = 0.90V
3
V_OUT = 1.25V
2
1
0
-2.0
-1.5
-1.0
-0.5
0.0
I_OUT (A)
MAXIMUM OUTPUT CURRENT
vs. INPUT VOLTAGE
3.0
V_OUT = 0.9V
2.5
V_OUT = 1.25V
2.0
1.5
THERMALLY LIMITED
1.0
DROPOUT VOLTAGE LIMITED
0.5
0
1.0
1.5
2.0
2.5
3.0
INPUT VOLTAGE (V)
BIAS CURRENT (I_CC)
vs. LOAD CURRENT (I_OUT)
1.4
V_IN = 1.5V
1.2
1.0
V_OUT = 1.25V
0.8
V_OUT = 0.90V
0.6
0.4
ENTERING
DROPOUT
0.2
0.0
-2
-1
0
1
2
I_OUT (A)
DROPOUT VOLTAGE
vs. OUTPUT CURRENT
0.6
0.5
0.4
V_OUT = 1.25V
0.3
0.2
V_OUT = 0.9V
0.1
0
0 0.5 1.0 1.5 2.0 2.5 3.0
OUTPUT CURRENT (A)
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