r1122n RICOH Co.,Ltd., r1122n Datasheet - Page 15

• Manufacturer Part Number: r1122n
• Description: Low Noise 150ma Ldo Regulator
• Manufacturer: RICOH Co.,Ltd.

7)
Ripple Rejection vs. Frequency
90.00
80.00
70.00
60.00
50.00
40.00
30.00
20.00
10.00
90.00
80.00
70.00
60.00
50.00
40.00
30.00
20.00
10.00
90.00
80.00
70.00
60.00
50.00
40.00
30.00
20.00
10.00
0.00
0.00
0.00
0.1
0.1
0.1
R1122N151A/B
R1122N301A/B
R1122N501A/B
Frequency Freq (kHz)
Frequency Freq (kHz)
Frequency Freq (kHz)
1
1
1
C
C
C
OUT
OUT
OUT
=2.2µF I
=2.2µF I
=2.2µF I
V
V
V
IN
IN
IN
10
10
10
=2.5V+0.5Vp-p
=4.0V+0.5Vp-p
=6.0V+0.5Vp-p
OUT
OUT
OUT
=30mA
=30mA
=30mA
100
100
100
90.00
80.00
70.00
60.00
50.00
40.00
30.00
20.00
10.00
90.00
80.00
70.00
60.00
50.00
40.00
30.00
20.00
10.00
0.00
0.00
0.1
0.1
R1122N201A/B
R1122N401A/B
Frequency Freq (kHz)
Frequency Freq (kHz)
1
1
C
C
OUT
OUT
=2.2µF I
=2.2µF I
V
V
IN
IN
=3.0V+0.5Vp-p
10
=5.0V+0.5Vp-p
10
OUT
OUT
=30mA
=30mA
R1122N
100
100
15