Rv5vh1, Rv5vh2 – Ricoh RV5VH User Manual
Page 20
RV5VH1
××
/RV5VH2
××
16
DC/DC Converter 2
*
) V
OUT1
=5.0V, V
OUT2
=–3.0V, I
OUT2
=1mA : unless otherwise specified. (See Typical Application)
*
1 ) Adjustable by external resistors to -30V.
*
2 ) “Minimum Operating Voltage”means a voltage for the “V
OUT1
” pin.
*
3 ) This value shows only the supply current of DC/DC2, not include the supply current of external resistors.
Symbol
Item
Conditions
MIN.
TYP.
MAX.
Unit
V
SET
Output Voltage Setting Range
*
1
0
V
V
FB
Feed Back Voltage
0
mV
V
IN
Maximum Input Voltage
10
V
V
OPT
min
Minimum Operating Voltage*
2
I
OUT
=1mA
1.8
V
I
SS2
Supply Current2*
3
CSW= “H”, No Load
25
µA
Istandby
Standby Current
CSW=“L”
0.3
µA
I
EXT2H
EXT2 “H” Output Current
V
EXT2
=V
OUT1
–0.4V
3
6
mA
I
EXT2L
EXT2 “L” Output Current
V
EXT2
=0.4V
7
14
mA
fosc
Maximum Oscillator Frequency
110
130
150
kHz
Maxdty
Oscillator Duty Cycle
V
EXT2
=“H”
40
50
60
%
V
CSWH
CSW “H” Input Voltage
V
OUT1
=5.0V
1.6
V
OUT1
V
V
CSWL
CSW “L” Input Voltage
V
OUT1
=5.0V
0
0.4
V
I
CSWleak
CSW Input Leakage Current
CSW=5.0V
–0.5
0.5
µA
∆
V
FB
Feed Back Voltage Temp.Co.
–40˚C
≤
Topt
≤
85˚C
±
30
µV/˚C
∆
Topt
V
OUT1
=5.0V, Topt=25˚C