RV5VH Datasheet, PDF (29/47 Pages) RICOH electronics devices division – DC/DC CONVERTER CONTROLLER

RV5VH1××/RV5VH2××
5) DC/DC1 Output Voltage vs. Temperature
VIN=1.2V
3.3
RV5VH1××/2××
L1=100µH
C1=22µF
3.2
3.1
3.0
IOUT=10mA
2.9 ^IOUT=5mA
IOUT=0A
2.8
2.7
–60 –40 –20 0 20 40 60 80 100
Temperature Topt(˚C)
6) Oscillator Frequency vs. Temperature
RV5VH1××/2×× _VOUT1=3V
150
145
140
135
130
125
120
115
110
105
100
–60 –40 –20 0 20 40 60 80 100
Temperature Topt(˚C)
7) Oscillator Duty Cycle vs. Temperature
80
RV5VH1××/2×× _VOUT1=3V
75
70
65
60
55
50
–60 –40 –20 0 20 40 60 80 100
Temperature Topt(˚C)
VIN=3V
5.3
RV5VH1××/2××
L1=100µH
C1=22µF
5.2
IOUT=1mA
5.1
IOUT=10mA
5.0
4.9
4.8 ^IOUT=0A
4.7
–60 –40 –20 0 20 40 60 80 100
Temperature Topt(˚C)
RV5VH1××/2×× _VOUT1=5V
150
145
140
135
130
125
120
115
110
105
100
–60 –40 –20 0 20 40 60 80 100
Temperature Topt(˚C)
RV5VH1××/2×× _VOUT1=5V
80
75
70
65
60
55
50
–60 –40 –20 0 20 40 60 80 100
Temperature Topt(˚C)
28