RV5VH Datasheet, PDF (11/47 Pages) RICOH electronics devices division – DC/DC CONVERTER CONTROLLER

RV5VH1××/RV5VH2××
DC/DC Converter 2
Symbol
Item
VSET Set Output Voltage
VFB
Feed Back Voltage
VIN
Maximum Input Voltage
VOPTmin Minimum Operating Voltage
ISS2
Supply Current2
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” at No Load
CSW=“L”
VEXT2=VOUT1–0.4V
VEXT2=0.4V
VEXT2=“H”
VOUT1=5.0V
VOUT1=5.0V
VOUT1=5.0V
–40˚C≤Topt≤85˚C
* ^{) VOUT1=3.0V, IOUT=1mA, Topt=25˚C, unless otherwise specified. (See Typical Application)}
*^{1 ) Adjustable by external resistors to -30V.}
MIN.
*¹
3
7
110
40
1.6
0
–0.5
VOUT1=5.0V, Topt=25˚C
TYP. MAX. Unit
–3.000 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
10