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RV5VH Datasheet, PDF (14/47 Pages) RICOH electronics devices division – DC/DC CONVERTER CONTROLLER | |||
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RV5VH1ÃÃ/RV5VH2ÃÃ
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 âHâ Output Current
IEXT2L EXT2 âLâ Output Current
fosc Maximum Oscillator Frequency
Maxdty Oscillator Duty Cycle
VCSWH CSW âHâ Input Voltage
VCSWL CSW âLâ Input Voltage
ICSWleak CSW Input Leakage Current
âVFB
âTopt
Feed Back Voltage Temp. Coefficient
Conditions
IOUT=1mA
CSW= âHâ IOUT=0mA
CSW=âLâ
VEXT2=VOUT1â0.4V
VEXT2=0.4V
VEXT2=âHâ
VOUT1=3.0V
VOUT1=3.0V
CSW=3.0V
â40ËCâ¤Toptâ¤85ËC
MIN.
*1
â20
2
4
110
40
1.6
0
â0.5
VOUT1=3.0V, Topt=25ËC
TYP. MAX. Unit
0
V
0
20
mV
10
V
1.8
V
10
µA
0.3
µA
4
mA
8
mA
130 150 kHz
50
60
%
VOUT1
V
0.4
V
0.5
µA
±30
µV/ËC
* ) VOUT1=3.0V, VOUT2=-0.3V, IOUT2=1mA, unless otherwise specified. (See Typical Application)
*1 ) Adjustable by external resistors to -30V.
*2 ) âMinimum Operating Voltageâmeans a voltage for the âVOUT1â pin.
*3 ) This value shows only the supply current of DC/DC2, not include the supply current of external resistors.
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