R1211D002A RICOH electronics devices division, R1211D002A Datasheet - Page 32

• Manufacturer Part Number: R1211D002A
• Description: Step-up DC/DC Controller
• Manufacturer: RICOH electronics devices division

24) Power-on Response
Rev. 1.10
16.8
15.0
13.2
16
14
12
10
16
14
12
10
8
6
4
2
0
8
6
4
2
0
0
0
R1211X002C
R1211X002A
5
5
Time [5ms/div]
Time [5ms/div]
10
10
L=22uH
V
IN
=3.3V , I
L=10uH
V
IN
=3.3V , I
15
15
OUT
R1211X002D
(c)V
(b)V
V
=10mA
(a)V
IN
OUT
(c)V
(b)V
(a)V
V
IN
OUT
OUT
I
20
OUT
OUT
20
=10mA
OUT
OUT
OUT
=15V
=10V
=5V
=15V
=10V
=5V
Time [5ms/div]
V
- 32 -
OUT
25
25
16
14
12
10
16
14
12
10
8
6
4
2
0
8
6
4
2
0
0
0
R1211X002B
R1211X002D
L=22uH
V
V
IN
OUT
5
5
=3.3V , C3=22uF
=15V , I
Time [5ms/div]
Time [5ms/div]
OUT
10
10
L=22uH
V
=1-50mA
L=10uH
V
IN
IN
=3.3V , I
=3.3V , I
15
15
OUT
OUT
(c)V
(b)V
(a)V
V
=10mA
IN
=10mA
(c)V
(b)V
(a)V
V
IN
OUT
OUT
OUT
20
20
OUT
OUT
OUT
300
200
100
0
=15V
=10V
=5V
=15V
=10V
=5V
25
25