R1122N Datasheet, PDF (17/22 Pages) RICOH electronics devices division – LOW NOISE 150mA LDO REGULATOR

8) Ripple Rejection vs. Input Voltage (DC bias)
90.00
COUT =Ceramic 2.2mF
R11x2N301B
IOUT=1mA
80.00
70.00
60.00
50.00
40.00
30.00
20.00
10.00
f=400Hz
f=1kHz
f=10kHz
0.00
3.10
3.20
3.30
3.40
3.50
Input Voltage VIN[V]
90.00
80.00
70.00
60.00
50.00
40.00
30.00
20.00
10.00
0.00
3.10
90.00
80.00
70.00
60.00
50.00
40.00
30.00
20.00
10.00
0.00
3.10
COUT =Ceramic 2.2mF
R11x2N301B _IOUT=50mA
f=400Hz
f=1kHz
f=10kHz
3.20
3.30
3.40
3.50
Input Voltage VIN[V]
9) Input Transient Response
R11X2N151B
COUT =Ceramic 2.2mF
R11x2N301B
IOUT=10mA
f=400Hz
f=1kHz
f=10kHz
3.20
3.30
3.40
3.50
Input Voltage VIN[V]
Topt=25°C
VIN
VOUT
VIN=2.5V<-->3.5V
IOUT=30mA
CIN =none
COUT=2.2mF
tr/tf=5ms
Rev. 1.10
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