R1183Z Datasheet, PDF (13/26 Pages) RICOH electronics devices division – 150mA LDO REGULATOR

7) Dropout Voltage vs. Set Output Voltage (Topt=25°C)
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
1
10mA
30mA
50mA
150mA
2
3
4
Set Output Voltage Vreg[V]
8) Ripple Rejection vs. Frequency (CIN=none)
R1183Z121x
VIN=2.4VDC+0.5p-p
70
COUT=Ceramic0.1µF
60
50
40
30
IOUT=50mA
20
IOUT=1mA
10
0
0.1
70
IOUT=30mA
1
10
100
Frequency f[kHz]
R1183Z281x
VIN=3.8VDC+0.5p-p
COUT=Ceramic0.1µF
60
50
40
IOUT=50mA
30
20
10
0
0.1
IOUT=1mA
IOUT=30mA
1
10
100
Frequency f[kHz]
70
60
50
40
30
20
10
0
0.1
70
60
50
40
30
20
10
0
0.1
R1183Z
R1183Z121x
VIN=2.4VDC+0.5p-p
COUT=Ceramic1µF
IOUT=1mA
IOUT=50mA
IOUT=30mA
1
10
100
Frequency f[kHz]
R1183Z281x
VIN=3.8VDC+0.5p-p
COUT=Ceramic1µF
IOUT=1mA
IOUT=50mA
IOUT=30mA
1
10
100
Frequency f[kHz]
13