R1191 Datasheet, PDF (18/33 Pages) RICOH electronics devices division – Supply Current Typ. 50uA (Fast Mode)

R1191x
10) Ripple Rejection vs. Input Voltage (C1=none, C2=4.7μF, IOUT=30mA, Ripple=0.5Vp-p, Topt=25°C)
R1191x020x ECO=H
100
90
80
70
60
50
40
30
20
f=1kHz
f=10kHz
10
f=100kHz
0
3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0
Input Voltage VIN (V)
R1191x020x ECO=L
100
90
f=1kHz
80
f=10kHz
f=100kHz
70
60
50
40
30
20
10
0
3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0
Input Voltage VIN (V)
R1191x050x ECO=H
100
90
80
70
60
50
40
30
20
f=1kHz
10
f=10kHz
f=100kHz
0
5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 9.0
Input Voltage VIN (V)
R1191x050x ECO=L
100
90
f=1kHz
80
f=10kHz
f=100kHz
70
60
50
40
30
20
10
0
5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 9.0
Input Voltage VIN (V)
R1191x150x ECO=H
100
90
f=1kHz
80
f=10kHz
f=100kHz
70
60
50
40
30
20
10
0
15.0 15.1 15.2 15.3 15.4 15.5 15.6 15.7
Input Voltage VIN (V)
R1191x150x ECO=L
100
90
f=1kHz
80
f=10kHz
f=100kHz
70
60
50
40
30
20
10
0
15.0 15.1 15.2 15.3 15.4 15.5 15.6 15.7
Input Voltage VIN (V)
18