r1120n RICOH Co.,Ltd., r1120n Datasheet - Page 18

• Manufacturer Part Number: r1120n
• Description: Low Noise 150ma L.d.o Regulator
• Manufacturer: RICOH Co.,Ltd.

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