R1121N_17 Datasheet, PDF (14/18 Pages) RICOH electronics devices division – LOW NOISE 150mA LDO REGULATOR

R1121N
10) LineTransient Response
3.4
3.3
3.2
3.1
3.0
2.9
2.8
0
20
3.4
3.3
3.2
3.1
3.0
2.9
2.8
0
20
3.4
3.3
3.2
3.1
3.0
2.9
2.8
0
20
R1121N301B
IOUT=30mA
tr=tf=5 μs
COUT=Tantalum 1.0μF
6
5
Input Voltage
4
3
Output Voltage
2
1
40
60
80
TIme t (μs)
0
100
120
R1121N301B
IOUT=30mA
tr=tf=5 μs
COUT=Tantalum 2.2μF
6
5
Input Voltage
4
3
Output Voltage
2
40
60
80
Time t (μs)
1
0
100
120
R1121N301B
40
60
Time t (μs)
IOUT=30mA
tr=tf=5 μs
COUT=Tantalum 6.8μF
6
5
Input Voltage
4
3
Output Voltage
2
1
0
80
100
120
14