SPX2940T3-1.8 View Datasheet(PDF) - Signal Processing Technologies
Part Name
Description
Manufacturer
SPX2940T3-1.8
Signal Processing Technologies
SPX2940T3-1.8 Datasheet PDF : 9 Pages
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TYPICAL PERFORMANCE CHARACTERISTICS
100
90
80
70
60
50
40
30
20
3.3V Device
10
VIN = 3.2V
CL = 10µF
0
0.00
0.25
0.50
0.75
1.00
1.25
1.50
IL (A)
Figure 6. Ground Current vs Current in Dropout
600
500
400
300
200
3.3V Device
100
CL = 10µF
0
0.00
0.25
0.50
0.75
1.00
1.25
1.50
IL (A)
Figure 7. Dropout Voltage vs Load Current
280
270
260
250
240
230
220
210
3.3V Device
VIN = 4.3V
200
IL = 10mA
190
CL = 10µF
180
-40 -20
0
20
40
60 80 100 120
Temperature (°C)
Figure 8. Ground Current vs Temperature at
ILOAD = 10mA
3.320
3.310
3.300
3.290
3.280
3.270
3.260
3.250
3.240
3.230
3.3V Device
VIN = 4.3V
IL = 10mA
CL = 10µF
3.220
-40 -20
0
20
40 60 80 100 120
Temperature (°C)
Figure 9. Output Voltage vs Temperature at
ILOAD=10mA
7.00
6.80
6.60
6.40
6.20
6.00
5.80
5.60
5.40
5.20
5.00
-40
-20
0
3.3V Device
VIN = 4.3V
IL = 500mA
CL = 10µF
20
40
60
80
Temperature (°C)
100 120
Figure 10. Ground Current vs Temperature at
I =500mA
LOAD
30
29
28
27
26
25
24
23
22
21
20
-40 -20
0
3.3V Device
VIN = 3.2V
IL = 750mA
CL = 10µF
20
40
60
80
Temperature (°C)
100 120
Figure 11. Ground Current vs Temperature in Dropout
at I =750mA
LOAD
Date: 5/25/04
SPX2940 1A Low Dropout Voltage Regulator
4
© Copyright 2004 Sipex Corporation
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