Ricoh RV5VH Power Supply User Manual


 
RV5VH1××/RV5VH2××
28
5) DC/DC1 Output Voltage vs. Temperature
RV5VH1××/2××
3.3
3.0
3.2
3.1
2.9
2.8
2.7
Temperature Topt(˚C)
Output Voltage VOUT(V)
–60 –40 –20 0 20 40 60 80 100
VIN=1.2V
L1=100µH
C1=22µF
IOUT=10mA
I
OUT=5mA
I
OUT=0A
RV5VH1××/2××
5.3
5.0
5.2
5.1
4.9
4.8
4.7
Temperature Topt(˚C)
Output Voltage VOUT(V)
–60 –40 –20 0 20 40 60 80 100
VIN=3V
L1=100µH
C1=22µF
IOUT=10mA
IOUT=0A
IOUT=1mA
RV5VH1××/2××
150
125
130
135
140
145
100
105
110
115
120
Temperature Topt(˚C)
Oscillator Frequency fosc(kHZ)
–60 –40 –20 0 20 40 60 80 100
VOUT1=3V
RV5VH1××/2××
150
125
130
135
140
145
100
105
110
115
120
Temperature Topt(˚C)
Oscillator Frequency fosc(kHZ)
–60 –40 –20 0 20 40 60 80 100
VOUT1=5V
RV5VH1××/2××
80
65
70
75
50
55
60
Temperature Topt(˚C)
Oscillator Duty Cycle Maxdty(%)
–60 –40 –20 0 20 40 60 80 100
VOUT1=3V
RV5VH1××/2××
80
65
70
75
50
55
60
Temperature Topt(˚C)
Oscillator Duty Cycle Maxdty(%)
–60 –40 –20 0 20 40 60 80 100
VOUT1=5V
7) Oscillator Duty Cycle vs. Temperature
6) Oscillator Frequency vs. Temperature