AAT3220
150mA NanoPower™ LDO Linear Regulator
Typical Characteristics
VIN = VOUT + 1V, TA = 25°C, output capacitor is 1µF ceramic, IOUT = 40mA, unless otherwise noted.
AAT3220 Noise Spectrum
Line Response with 1mA Load
30
20
3.8
3.6
3.4
3.2
3
6
5
4
3
2
1
0
10
0
-10
-20
-30
2.8
2.6
1.E+01
1.E+02
1.E+03
1.E+04
1.E+05
1.E+06
-200
0
200
400
600
800
Frequency (Hz)
Time (µs)
Line Response with 10mA Load
Line Response with 100mA Load
3.8
3.6
3.4
3.2
3
6
5
4
3
2
1
0
3.8
3.6
3.4
3.2
3
6
5
4
3
2
1
0
2.8
2.6
2.8
2.6
-200
0
200
400
600
800
-200
0
200
400
600
800
Time (µs)
Time (µs)
Load Transient (1mA / 40mA)
Load Transient (1mA / 80mA)
4
3
2
320
240
160
80
4
3
2
320
240
160
80
0
0
-1
0
1
2
3
-1
0
1
2
3
Time (ms)
Time (ms)
6
3220.2006.01.1.4
AAT [ ADVANCED ANALOG TECHNOLOGY, INC. ]
