SPX3940 Datasheet, PDF (4/11 Pages) Sipex Corporation – 1A Low Dropout Voltage Regulator Fixed Output, Fast Response

TYPICAL PERFORMANCE CHARACTERISTICS
100
90
80
70
60
50
40
30
20
10
0
0
0.25
0.5
0.75
IL(A)
3.3 Device
V_{IN = 3.2V}
CL = 10µF
1
1.25
1.5
Figure 6. Ground Current vs Load Current in Dropout
600
500
400
300
200
100
0
0
0.25
0.5
0.75
IL (A)
3.3V Device
CL = 10µF
1
1.25
1.5
Figure 7. Dropout Voltage vs Load Current
280
270
260
250
240
230
220
210
200
190
180
-40 -20
0
20 40 60
Temperature (°C)
3.3V Device
VIL_IN==140.m3VA
CL = 10µF
80 100 120
Figure 8. Ground Current vs Temperature at
I_LOAD = 10mA
3.320
3.310
3.300
3.290
3.280
3.270
3.260
3.250
3.240
3.230
3.220
-40 -20
0
20 40 60
Temperature (°C)
3.3V Device
VIL_IN==140.m3VA
CL = 10µF
80 100 120
Figure 9. Output Voltage vs Temperature at
I_LOAD=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
IVL^IN==540.03mVA
CL = 10µF
20 40 60
80
Temperature (°C)
100 120
Figure 10. Ground Current vs Temperature at
I_LOAD=500mA
30
29
28
27
26
25
24
23
22
21
20
-40 -20
0
3.3V Device
VIL_{IN==735.02mVA}
CL = 10µF
20 40 60
80
Temperature (°C)
100 120
Figure 11. Ground Current vs Temperature in Dropout
at I_LOAD=750mA
Date: 5/25/04
SPX3940 1A Low Dropout Voltage Regulator
4
© Copyright 2004 Sipex Corporation