RV5VH Datasheet, PDF (28/47 Pages) RICOH electronics devices division – DC/DC CONVERTER CONTROLLER

3) Efficiency vs. Output Current (RV5VH1××)
Topt=25˚C
100
RV5VH101
L1=100µH
C1=22µF
95
90
85
VIN=1.2V
80
VIN=2.0V
75
70
65
60
VIN=0.9V
55
50
0.01
0.1
VIN=1.5V
1
10
100
Output Current IOUT(mA)
Topt=25˚C
RV5VH102
L1=100µH
C1=22µF
100
95
90
85
VIN=4.0V
80
VIN=1.5V
75
VIN=0.9V
70
VIN=3.0V
65
VIN=2.0V
60
55
50
0.1
1
10
100
1000
Output Current IOUT(mA)
4) Efficiency vs. Output Current (RV5VH2××)
Topt=25˚C
90
RV5VH201
L1=27µH
C1=96µF
85
VIN=1.5V
80 _VIN=1.2V
75
VIN=2.0V
70
65
60
VIN=0.9V
55
50
45
40
0.01 0.1
1
10 100 1000
Output Current IOUT(mA)
RV5VH1××/RV5VH2××
Topt=25˚C
100
RV5VH101
L1=220µH
C1=22µF
95
VIN=1.5V
90 _VIN=2.0V
85
80
75
70
65
VIN=0.9V
60
55
VIN=1.2V
50
0.01
0.1
1
10
100
Output Current IOUT(mA)
100
95
90
85
80
75
70
65
60
55
50
0.1
RV5VH102
Topt=25˚C
L1=220µH
C1=22µF
VIN=4.0V
VIN=0.9V
VIN=1.5V
VIN=3.0V
VIN=2.0V
1
10
100
Output Current IOUT(mA)
1000
90
85
80
75
70
65
60
55
50
45
40
0.1
RV5VH202
Topt=25˚C
L1=27µH
C1=96µF
VIN=4.0V
VIN=3.0V
VIN=2.0V
VIN=1.5V
VIN=0.9V
1
10
100
Output Current IOUT(mA)
1000
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