TYPICAL PERFORMANCE CHARACTERISTICS
7.0
3.3V Device
V
IN
= 4.3V
C
L
= 1.0µF
160
150
140
130
6.0
5.0
I
GND
(mA)
4.0
120
100
3.0
I
GND
(
µ
A)
90
80
70
60
4
3.3V Device
C
L
= 1.0µF
I
L
= 100µA
2.0
1.0
0.0
0
100
200
300
400
500
6
8
10
12
14
16
I
L
(mA)
V
IN
(V)
Ground Current vs Load Current
Ground Current vs Input Voltage
14.0
3.3V Device
V
IN
= 4.3V
C
L
= 1.0µF
3.350
3.345
3.340
3.335
3.330
12.0
10.0
I
GND
(mA)
V
OUT
(V)
8.0
3.325
3.320
3.315
3.310
6.0
4.0
3.305
3.300
3.3V Device
C
L
= 1.0µF
I
L
= 100µA
2.0
3.295
3.290
0.0
0
100
200
300
400
500
4
6
8
10
12
14
16
I
L
(mA)
V
IN
(V)
Ground Current vs Load Current in Dropout
Output Voltage vs Input Voltage
July 2008 Rev F
SPX3819 500mA, Low Noise LDO Voltage Regulator
© 2008 Exar Corporation
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