R1180N121B Datasheet, PDF (11/24 Pages) RICOH electronics devices division – 150mA LDO REGULATOR

R1180x
70
60
50
40
30
20
10
0
0.1
R1180x361x
VIN=4.6VDC+0.5p-p
COUT=Ceramic0.1µF
IOUT=1mA
IOUT=50mA
IOUT=30mA
1
10
100
Frequency f[kHz]
70
60
50
40
30
20
10
0
0.1
R1180x361x
VIN=4.6VDC+0.5p-p
COUT=Ceramic1µF
IOUT=1mA
IOUT=50mA
IOUT=30mA
1
10
100
Frequency f[kHz]
9) Ripple Rejection vs. Input Bias Voltage (Topt=25°C, CIN=none, COUT=ceramic0.1µF)
R1180x281x(IOUT=1mA)
R1180x281x(IOUT=30mA)
50
50
f=600Hz
45
45
f=1kHz
40
40
f=10kHz
f=100kHz
35
35
30
30
25
20
15
10
5
0
2.9
50
45
40
35
f=600Hz
f=1kHz
f=10kHz
f=100kHz
3.2
3.5
3.8
Input Voltage VIN[V]
R1180x281x(IOUT=50mA)
f=600Hz
f=1kHz
f=10kHz
f=100kHz
25
20
15
10
5
0
2.9
3.2
3.5
3.8
Input Voltage VIN[V]
30
25
20
15
10
5
0
2.9
3.2
3.5
3.8
Input Voltage VIN[V]
11