8)
Ripple Rejection vs. Input Voltage (DC bias)
Iout=30mA
Iout=1mA
R1113Z301B
R1113Z301B
Cout=ceramic 2.2µF
80
70
60
50
40
30
20
10
0
90
80
70
60
50
40
30
20
10
0
Cout = ceramic 2.2µF
f=400Hz
f=1kHz
f=400Hz
f=1kHz
f=10kHz
f=10kHz
3.1
3.2
3.3
3.4
3.5
3.1
3.2
3.3
3.4
3.5
Input Voltage Vin[V]
Input Voltage Vin[V]
Iout=50mA
R1113Z301B
Cout=ceramic 2.2µF
80
70
60
50
40
30
20
10
0
f=400Hz
f=1kHz
f=10kHz
3.1
3.2
3.3
3.4
3.5
Input Voltage Vin[V]
10) Input Transient Response
R1113Z201B
Topt=25°C
VIN
VIN=3.0V<-->4.0V
IOUT=30mA
CIN =none
VOUT
COUT=4.7µF
tr/tf=5µs
Rev. 1.11
- 15 -
RICOH [ RICOH ELECTRONICS DEVICES DIVISION ]
