SPX3819 Datasheet, PDF (4/13 Pages) Sipex Corporation – 500 mA, Low-Noise LDO Voltage Regulator

TYPICAL PERFORMANCE CHARACTERISTICS: Continued
350
300 ^{3.3V Device}
C_L = 1.0µF
250
200
150
100
50
0
0
100 200 300 400 500
I_L (mA)
Dropout Voltage vs Load Current
3.316
3.314
3.312
3.3V Device
V_IN= 4.3V
C_L = 1.0µF
3.310
3.308
3.306
3.304
3.302
3.300
0
100
200
300
I_L (mA)
Output Voltage vs Load Current
400
500
130
3.3V Device
VIN= 4.3µF
120
CL= 1.0µF
IL = 100µA
110
100
90
80
70
-40 -20
0
20
40 60 80 100 120
Temperature (°C)
Ground Current vs Temperature with 100µA Load
360
3.3V Device
340
VIN = 4.3
CL= 1.0µF
IL = 50mA
320
300
280
260
240
220
200
-40 -20
0
20
40 60 80 100 120
Temperature (°C)
Ground Current vs Temperature with 50mA Load
July 2008 Rev F
SPX3819 500mA, Low Noise LDO Voltage Regulator
4
© 2008 Exar Corporation