TYPICAL PERFORMANCE CHARACTERISTICS
52.0
50.0
100
95
IGnd (mA)
IGnd (mA)
48.0
46.0
44.0
42.0
40.0
38.0
36.0
-40
-20
0
20
40
60
80
3.3V Device
V
IN
= 4.3V
IL = 1.5A
CL = 10µF
100
120
90
85
80
75
70
-40
3.3V Device
V
IN
= 3.2V
IL = 1.5A
CL = 10µF
-20
0
20
40
60
80
100
120
Temperature (°C)
Temperature (°C)
Figure 12. Ground Current vs Temperature at I
LOAD
= 1.5A
Figure 13. Ground Current vs Temperature in Dropout
at I
LOAD
=1.5A
350
330
310
500
480
V
DROPOUT
(mV)
290
270
250
230
210
190
170
150
-40
-20
0
20
40
60
80
100
120
3.3V Device
IL = 750mA
CL = 10µF
V
DROPOUT
(mV)
460
440
420
400
380
360
340
320
-40
-20
0
20
40
60
80
100
120
3.3V Device
IL = 750A
CL = 10µF
Temperature (°C)
Temperature (°C)
Figure 14. Dropout Voltage vs Temperature at
I
LOAD
= 750mA
Figure 15. Dropout Voltage vs Temperature at
I
LOAD
= 1.5mA
35
30
25
2.00
1.90
1.80
1.70
1.60
3.3V Device
V
IN
= 3.2V
IL = 750mA
CL = 10µF
I
EN
(µA)
V
TH
(V)
20
15
10
5
0
-40
-20
0
20
40
60
80
3.3V Device
V
IN
= 3.2V
IL = 750mA
CL = 10µF
100
120
1.50
1.40
1.30
1.20
1.10
1.00
-40
-20
0
20
40
60
80
100
120
Temperature (°C)
Temperature (°C)
Figure 16. Enable Current vs Temperature for V
EN
= 16V
Figure 17. Enable Threshold vs Temperature
Date: 5/25/04
SPX2940 1A Low Dropout Voltage Regulator
© Copyright 2004 Sipex Corporation
5
SIPEX [ SIPEX CORPORATION ]
