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SBOS392A – AUGUST 2007 – REVISED SEPTEMBER 2007
TYPICAL CHARACTERISTICS
At T
A
= +25°C and V
IN
= +5V. REF3325 is used for typical characteristic measurements, unless otherwise noted.
TEMPERATURE DRIFT
(0°C to +70°C)
TEMPERATURE DRIFT
(–40°C to +125°C)
Unit (%)
0
1
3
4
5
6
8
9
10
11
13
14
15
16
18
19
20
21
23
24
25
26
Unit (%)
Drift (ppm/
°
C)
Figure 1.
OUTPUT VOLTAGE ACCURACY
vs TEMPERATURE
0.05
200
180
Output Voltage Accuracy (%)
0
160
Dropout Voltage (mV)
-0.05
-0.10
-0.15
-0.20
-0.25
-50
-25
0
25
50
75
100
125
150
Temperature (
°
C)
140
120
100
80
60
40
20
0
-5
-4
-3
-2
-1
0
1
2
0
1
3
4
5
6
8
9
10
11
13
14
15
16
18
19
20
21
23
24
25
26
Drift (ppm/
°
C)
Figure 2.
DROPOUT VOLTAGE
vs LOAD CURRENT
+125
°
C
+25
°
C
-
40
°
C
3
4
5
Load Current (mA)
Figure 3.
QUIESCENT CURRENT vs TEMPERATURE
7
1000
Figure 4.
OUTPUT IMPEDANCE vs FREQUENCY
Quiescent Current (
m
A)
Output Impedance (
W
)
6
100
I
LOAD
= 0mA
C
LOAD
= 1mF
5
10
4
1
I
LOAD
= 1mA
C
LOAD
= 1mF
0.1
3
2
-50
-25
0
25
50
75
100
125
150
Temperature (
°
C)
0
1
10
100
1k
10k
100k
Frequency (Hz)
Figure 5.
Figure 6.
Copyright © 2007, Texas Instruments Incorporated
5
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