R1141Q_17 Datasheet, PDF (11/16 Pages) RICOH electronics devices division – 120mA LDO REGULATOR

7) Dropout Voltage vs. Set Output Voltage
1.0
0.9
10mA
0.8
30mA
0.7
50mA
120mA
0.6
0.5
0.4
0.3
0.2
0.1
0.0
1.0
2.0
3.0
4.0
Set Output Voltage VREG(V)
8) Ripple Rejection vs. Frequency
R1141Q151x
VIN=2.5V+0.5Vp-p, CIN=none
COUT=Ceramic 2.2μF
90
80
70
60
50
40
30
20
10
0
0.1
1
10
100
Frequency f(kHz)
90
80
70
60
50
40
30
20
10
0
0.1
R1141Q401x
VIN=5.0V+0.5Vp-p, CIN=none
COUT=Ceramic 2.2μF
1
10
100
Frequency f(kHz)
R1141Q
90
80
70
60
50
40
30
20
10
0
0.1
R1141Q281x
VIN=3.8V+0.5Vp-p, CIN=none
COUT=Ceramic 2.2μF
1
10
100
Frequency f(kHz)
11