R1120N Datasheet, PDF (18/24 Pages) RICOH electronics devices division – LOW NOISE 150mA L.D.O REGULATOR

R1120N
9) Ripple Rejection vs. Input Voltage (DC bias)
80
70
60
50
40
30
20
10
0
3.1
R1120N301B IOUT =1mA
COUT=10µF
f=400Hz
f=1kHz
f=10kHz
3.2
3.3
3.4
3.5
Input Voltage VIN(V)
80
70
60
50
40
30
20
10
0
3.1
R1120N301B IOUT =10mA
COUT=10µF
f=400Hz
f=1kHz
f=10kHz
3.2
3.3
3.4
3.5
Input Voltage VIN(V)
80
70
60
50
40
30
20
10
0
3.1
R1120N301B IOUT=50mA
COUT=10µF
f=400Hz
f=1kHz
f=10kHz
3.2
3.3
3.4
3.5
Input Voltage VIN(V)
10) Line Transient Response
3.4
3.3
3.2
3.1
3.0
2.9
2.8
0
20
R1120N301B
IOUT=30mA
tr=tf=5µs
COUT=Tantalum4.7µF
6
5
Input Voltage
4
3
Output Voltage
2
1
40
60
80
Time t(µS)
0
100
120
15