R1211X Datasheet, PDF (32/33 Pages) RICOH electronics devices division – Step-up DC/DC Controller

16.8
15.0
13.2
R1211X002D
VOUT
IOUT
Time [5ms/div]
L=22uH
VIN=3.3V , C3=22uF
VOUT=15V , IOUT=1-50mA
300
200
100
0
24) Power-on Response
R1211X002A
16
14
12
10
8
6
4
2
0
0
5
10
L=10uH
VIN=3.3V , IOUT=10mA
(c)VOUT=15V
(b)VOUT=10V
(a)VOUT=5V
VIN
15
20
25
Time [5ms/div]
16
14
12
10
8
6
4
2
0
0
R1211X002C
5
L=22uH
VIN=3.3V , IOUT=10mA
(c)VOUT=15V
(b)VOUT=10V
(a)VOUT=5V
VIN
10
15
20
25
Time [5ms/div]
R1211X002B
16
L=10uH
VIN=3.3V , IOUT=10mA
14
(c)VOUT=15V
12
10
8
(b)VOUT=10V
6
(a)VOUT=5V
4
2
0
0
VIN
5
10
15
20
25
Time [5ms/div]
R1211X002D
16
14
12
10
8
6
4
2
0
0
5
L=22uH
VIN=3.3V , IOUT=10mA
(c)VOUT=15V
(b)VOUT=10V
(a)VOUT=5V
VIN
10
15
20
25
Time [5ms/div]
Rev. 1.10
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