AAT3221/2
150mA NanoPower™ LDO Linear Regulator
Typical Characteristics
Unless otherwise noted, VIN = VOUT + 1V, TA = 25°C, COUT = 5.6µF Ceramic, IOUT = 100mA.
Noise Spectrum
Line Response with 1mA Load
30
20
10
0
3.8
3.6
3.4
3.2
3
6
5
4
3
2
1
0
Input
-10
-20
-30
Output
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
3.8
3.6
3.4
3.2
3
6
5
4
3
2
1
0
Input
Input
Output
Output
2.8
2.6
2.8
2.6
0
-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
Output
Output
0
3
0
-1
0
1
2
-1
0
1
2
3
Time (ms)
Time (ms)
3221.2005.12.1.11
7
AAT [ ADVANCED ANALOG TECHNOLOGY, INC. ]
