Rv5vh1, Rv5vh2 – Ricoh RV5VH User Manual
Page 19
15
RV5VH1
××
/RV5VH2
××
• RV5VH202
DC/DC Converter 1
V
OUT1
=5.0V, Topt=25˚C
*
) V
IN
=3.0V, I
OUT
=10mA : unless otherwise specified. (See Typical Application)
*
1 ) This value only shows the supply current of DC/DC1, does not include the supply current of Voltage Detector and external resistors.
Symbol
Item
Conditions
MIN.
TYP.
MAX.
Unit
V
OUT1
Step-up Output Voltage
I
OUT
=0mA
4.875
5.000
5.125
V
V
IN
max
Maximum Input Voltage
10
V
Vstart
Oscillator Start-up Voltage
No Load
0.7
0.8
V
Vhold
Hold-on Input Voltage
I
OUT
=1mA
0.7
V
I
SS1
Supply Current1 *
1
I
OUT
=0mA, CSW=“L”
40
µA
I
EXT1H
EXT1 “H” Output Current
V
EXT2
=V
OUT1
–0.4V
2
4
mA
I
EXT1L
EXT1 “L” Output Current
V
EXT2
=0.4V
7
14
mA
fosc
Maximum Oscillator Frequency
110
130
150
kHz
Maxdty
Oscillator Duty Cycle
ON (V
LX
=“L”)
55
70
85
%
η
Efficiency
80
%
∆
V
OUT1
Output Voltage Temp. Co.
–40˚C
≤
Topt
≤
85˚C
±100
ppm/˚C
∆
Topt