RS5RJ RICOH Co.,Ltd., RS5RJ Datasheet - Page 26

• Manufacturer Part Number: RS5RJ
• Description: Vfm Step-up Dc/dc Converter With Voltage Regulator And Detector
• Manufacturer: RICOH Co.,Ltd.

26
RS5RJ
19) Output Voltage vs. V
(NOTE) Efficiency η at Typical Characteristics 20) is shown by the following formula:
100
6.0
5.8
5.6
5.2
5.0
4.8
4.6
5.4
6.0
5.8
5.6
5.4
5.2
5.0
4.8
4.6
90
80
70
60
50
40
30
20
10
0
0
0
0
V
V
IN
IN
V
100 200 300 400 500 600 700
V
100 200 300 400 500 600 700
=1.2V
100 200 300 400 500 600 700
V
=1.2V
DD
DD
DD
V
RS5RJ5045A
IN
RS5RJ5045A
Output Current I
2.0V
RS5RJ5045A
Output Current I
Output Current I
2.0V
=1.2V
2.0V 3.0V
3.0V
3.0V
DD
Output Currrent
4.0V
4.0V
DDOUT
DDOUT
DDOUT
I
I
I
OUT
OUT
OUT
V
V
OUT
DD
4.0V
=20mA
(mA)
=40mA
=60mA
(mA)
(mA)
V
V
OUT
DD
20) Efficiency vs.V
η=
100
100
(V
6.0
5.8
5.6
5.4
5.2
5.0
4.8
4.6
10
90
80
70
60
50
40
30
20
90
80
70
60
50
40
30
20
10
0
DD
0
0
0
0
V
V
×
V
IN
IN
IN
I
V
=1.2V
100 200 300 400 500 600 700
DDOUT
100 200 300 400 500 600 700
=1.2V
V
100 200 300 400 500 600 700
V
=1.2V
DD
DD
DD
2.0V
RS5RJ5045A
RS5RJ5045A
RS5RJ5045A
Output Current I
DD
Output Current I
Output Current I
V
) + (V
IN
2.0V
2.0V
Output Current
3.0V
×
I
IN
OUT
3.0V
3.0V
×
I
OUT
4.0V
4.0V
DDOUT
DDOUT
DDOUT
)
I
I
I
×
OUT
OUT
OUT
V
V
100
DD
OUT
=20mA
=40mA
4.0V
(mA)
=60mA
(mA)
(mA)