9)Ripple Rejection vs. Input Voltage
OUT
I
= 10mA
R1170X301B
OUT
I
= 1mA
R1170X301B
OUT
C
= 10uF
OUT
C
= 10uF
60
60
50
40
30
20
10
0
f = 400Hz
f = 400Hz
50
f =1kHz
f =1kHz
f = 10kHz
40
f = 10kHz
30
20
10
0
3
3.2
3.4
3.6
3
3.2
3.4
3.6
IN
IN
Input Voltage V (V)
Input Voltage V (V)
R1170X301B
OUT
I
= 100mA
OUT
C
= 10uF
60
50
40
30
20
10
0
f = 400Hz
f =1kHz
f = 10kHz
3
3.2
3.4
3.6
Input Voltage VIN(V)
10)Input Transient Response (Topt=25°C)
tr=tf=10us
IOUT=100mA
R1170X151B
COUT=Ceramic 10uF
1.8
1.75
1.7
4
3.5
3
Input Voltage
1.65
1.6
2.5
2
Output Voltage
1.55
1.5
1.5
1
1.45
1.4
0.5
0
0
20
40
60
80
100
Time t(us）
120
140
160
180
200
Rev. 1.10
-13-
RICOH [ RICOH ELECTRONICS DEVICES DIVISION ]
