SPX1117T Exar Corporation, SPX1117T Datasheet - Page 5

• Manufacturer Part Number: SPX1117T
• Description: 800mA Low Dropout Voltage Regulator
• Manufacturer: Exar Corporation

(adjustable), V
Date: 8/25/04
Figure 11. V
Figure 13. Line Regulation vs Temperature. V
Temperature, V
Figure 15. Line Regulation at I
Figure 7. V
Figure 9. V
2.55
2.54
2.53
2.52
2.51
2.49
2.48
2.47
2.46
2.45
3.06
3.04
3.02
2.98
2.96
2.94
-0.1
-0.2
-0.3
1.53
1.52
1.51
1.49
1.48
1.47
-2
-4
-6
-8
0.4
0.3
0.2
0.1
6
4
2
0
2.5
1.5
-40
0
3
-50
-50
3
-50
-30
-30
-30
-20
IN
IN
IN
IN
=3.0V, I
=4.0V, I
=4.85V, I
-10
OUT
-10
= 3.3V
-10
0
=1.8V adjustable
4
10
10
10
OUT
OUT
Ambient Temperature,*C
OUT
=10mA
=10mA
20
Vin, V
30
30
30
Temp (C)
Temp (C)
Temp (C)
=10mA
LOAD
50
50
50
40
5
SPX1117 800mA Low Dropout Voltage Regulator
TYPICAL PERFORMANCE CHARACTERISTICS: Continued
=800mA over
70
70
70
60
90
90
90
2.5v Adj
2.5v Fixed
1.5v Adj
1.5v Fixed
OUT
3v Adj
3v Fixed
80
110
110
110
=1.8V
6
130
130
-40°C
+25°C
+85°C
130
100
5
Figure 12. V
Figure 14. Output Voltage vs Temperature at different
Current Loads, V
Figure 8. V
Figure 10. V
2.92
2.88
2.86
2.84
2.82
3.38
3.36
3.34
3.32
3.28
3.26
1.84
1.83
1.82
1.81
1.79
1.78
1.77
1.76
2.9
2.8
3.3
1.816
1.815
1.814
1.813
1.812
1.811
1.809
1.808
1.807
1.806
1.8
1.81
-50
-50
-50
-40
-30
-30
-30
IN
IN
IN
=3.3V, I
-20
=4.85V, I
=5.0V, I
-10
-10
-10
IN
=3.3V, V
0
OUT
10
10
10
OUT
OUT
Ambient Temperature, *C
=10mA
=10mA
30
30
Temp (C)
Temp (C)
20
© Copyright 2004 Sipex Corporation
30
Temp (C)
=10mA
OUT
50
50
= 1.8V Adjustable
50
40
70
70
70
60
90
90
90
2.85v Adj
2.85v Fixed
3.3v Adj
3.3v Fixed
1.8v Adj
1.8v Fixed
800mA
400mA
10mA
80
110
110
110
130
130
130
100