TYPICAL PERFORMANCE CHARACTERISTICS: Continued
14.0
8.0
7.5
7.0
6.5
6.0
3.3V Device
VIN= 4.3µF
3.3V Device
CL= 1.0µF
13.5
13.0
12.5
12.0
11.5
11.0
10.5
V
IN= 4.3µF
IL = 500mA
CL= 1.0µF
IL = 500mA
-40
-20
0
20
40
60
80
100
120
-40
-20
0
20
40
60
80
100
120
Temperature (°C)
Temperature (°C)
Ground Current vs Temperature in Dropout
Ground Current vs Temperature with 500mA Load
3.400
3.380
1.30
3.3V Device
C = 1.0µF
L
I
= 100µA
3.3V Device
L
1.25
1.20
1.15
1.10
1.05
1.00
V
= 4.3µF
IN
3.360
3.340
3.320
3.300
2.280
2.260
2.240
2.220
2.200
C = 1.0µF
L
L
I
= 500mA
-40
-20
0
20
40
60
80
100
120
4
6
8
10
(V)
12
14
16
Temperature (°C)
V
IN
Output Voltage vs Temperature
ENABLE Voltage, ON threshold, vs Input Voltage
July 2008 Rev F
SPX3819 500mA, Low Noise LDO Voltage Regulator
© 2008 Exar Corporation
5
EXAR [ EXAR CORPORATION ]
