RS5RM RICOH Co.,Ltd., RS5RM Datasheet - Page 26

• Manufacturer Part Number: RS5RM
• Description: Pwm Step-up Dc/dc Converter With Voltage Regulator And Detector
• Manufacturer: RICOH Co.,Ltd.

26
RS5RM
19) Output Voltage vs. V
(NOTE) Efficiency η at Typical Characteristics 20) is shown by the following formula:
100
5.6
5.4
5.3
5.0
4.9
4.8
4.7
4.6
5.5
5.2
5.1
5.6
5.5
5.4
5.3
5.2
5.0
4.9
4.8
4.7
4.6
5.1
90
80
70
60
50
40
30
20
10
0
0
0
0
V
V
V
V
V
V
V
OUT
OUT
DD
DD
IN
IN
IN
100 200 300 400 500 600 700
100 200 300 400 500 600 700
100 200 300 400 500 600 700
V
V
V
=1.2V
=1.2V
=1.2V
DD
DD
RS5RM5045A
DD
RS5RM5045A
2.0V
RS5RM5045A
Output Current I
Output Current I
Output Current I
2.0V
2.0V
DD
3.0V
3.0V
Output Currrent
3.0V
DDOUT
DDOUT
DDOUT
I
I
I
OUT
OUT
OUT
4.0V
=20mA
=60mA
=40mA
(mA)
(mA)
(mA)
4.0V
4.0V
20) Efficiency vs.V
η=
100
100
5.6
5.5
5.4
5.3
5.2
5.1
5.0
4.9
4.8
4.7
4.6
(V
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0
DD
0
0
0
V
V
V
V
×
OUT
DD
IN
IN
V
I
100 200 300 400 500 600 700
V
100 200 300 400 500 600 700
DDOUT
=1.2V
=1.2V
IN
100 200 300 400 500 600 700
V
V
DD
=1.2V
DD
DD
RS5RM5045A
RS5RM5045A
RS5RM5045A
DD
Output Current I
Output Current I
Output Current I
2.0V
V
)+(V
IN
Output Current
2.0V
2.0V
×
OUT
I
IN
3.0V
×
3.0V
3.0V
I
OUT
)
DDOUT
DDOUT
DDOUT
×
I
I
I
OUT
OUT
OUT
100
4.0V
=40mA
=20mA
=60mA
(mA)
(mA)
(mA)
4.0V
4.0V