R1122N Datasheet, PDF (16/22 Pages) RICOH electronics devices division – LOW NOISE 150mA LDO REGULATOR

7) Ripple Rejection vs. Frequency
90.00
VIN=2.5V+0.5Vp-p
R11x2N151A/B
COUT=2.2mF
IOUT=30mA
80.00
70.00
60.00
50.00
40.00
30.00
20.00
10.00
0.00
0.1
1
10
100
Frequency Freq [kHz]
90.00
80.00
70.00
60.00
50.00
40.00
30.00
20.00
10.00
0.00
0.1
90.00
80.00
70.00
60.00
50.00
40.00
30.00
20.00
10.00
0.00
0.1
VIN=4.0V+0.5Vp-p
R11x2N301A/B_{COUT=2.2mF IOUT=30mA}
1
10
100
Frequency Freq [kHz]
VIN=6.0V+0.5Vp-p
R11x2N501A/B _{COUT=2.2mF IOUT=30mA}
1
10
100
Frequency Freq [kHz]
90.00
80.00
70.00
60.00
50.00
40.00
30.00
20.00
10.00
0.00
0.1
90.00
80.00
70.00
60.00
50.00
40.00
30.00
20.00
10.00
0.00
0.1
VIN=3.0V+0.5Vp-p
R11x2N201A/B _{COUT=2.2mF IOUT=30mA}
1
10
100
Frequency Freq [kHz]
VIN=5.0V+0.5Vp-p
R11x2N401A/B
COUT=2.2mF IOUT=30mA
1
10
100
Frequency Freq [kHz]
Rev. 1.10
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