R1121N_02 Datasheet, PDF (15/17 Pages) RICOH electronics devices division – LOW NOISE 150mA LDO REGULATOR

11) Load Transient Response
3.4
R1121N301B
VIN=4V
CIN=Tantalum 1µF
COUT=Tantalum 1.0µF
150
3.3
100
Output Current
3.2
50
3.1
0
Output Voltage
3.0
-50
2.9
-100
2.8
-150
0
2
4
6
8
10
12 14 16 18
20
Time t (µs)
R1121N301B
VIN=4V
CIN=Tantalum 1µF
COUT=Tantalum 2.2µF
3.4
150
3.3
100
Output Current
3.2
50
3.1
0
Output Voltage
3.0
-50
2.9
-100
2.8
-150
0
2
4
6
8
10
12
14
16
18
20
Time t (µs)
R1121N301B
VIN=4V
CIN=Tantalum 1µF
COUT=Tantalum 6.8µF
3.4
150
3.3
100
Output Current
3.2
50
3.1
0
Output Voltage
3.0
-50
2.9
-100
2.8
-150
0
2
4
6
8
10
12
14
16
18
20
Time t (µs)
R1121N
15