RV5VH Datasheet, PDF (17/47 Pages) RICOH electronics devices division – DC/DC CONVERTER CONTROLLER

RV5VH1××/RV5VH2××
DC/DC Converter 2
Symbol
Item
VSET Output Voltage Setting Range
VFB
Feed Back Voltage
VIN
Maximum Input Voltage
VOPTmin Minimum Operating Voltage*²
ISS2
Supply Current2*³
Istandby Standby Current
IEXT2H EXT2 “H” Output Current
IEXT2L EXT2 “L” Output Current
fosc Maximum Oscillator Frequency
Maxdty Oscillator Duty Cycle
VCSWH CSW “H” Input Voltage
VCSWL CSW “L” Input Voltage
ICSWleak CSW Input Leakage Current
∆VFB
∆Topt
Feed Back Voltage Temp.Coefficient
Conditions
IOUT=1mA
CSW= “H”, No Load
CSW=“L”
VEXT2=VOUT1–0.4V
VEXT2=0.4V
VEXT2=“H”
VOUT1=5.0V
VOUT1=5.0V
CSW=5.0V
–40˚C≤Topt≤85˚C
MIN.
*¹
3
7
110
40
1.6
0
–0.5
VOUT1=5.0V, Topt=25˚C
TYP. MAX. Unit
0
V
0
mV
10
V
1.8
V
25
µA
0.3
µA
6
mA
14
mA
130 150 kHz
50
60
%
VOUT1
V
0.4
V
0.5
µA
±30
µV/˚C
* ^{) VOUT1=5.0V, VOUT2=–3.0V, IOUT2=1mA : unless otherwise specified. (See Typical Application)}
*^{1 ) Adjustable by external resistors to -30V.}
*^{2 ) “Minimum Operating Voltage”means a voltage for the “VOUT1” pin.}
*^{3 ) This value shows only the supply current of DC/DC2, not include the supply current of external resistors.}
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