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RV5VH3××
36
DC/DC Converter 2
Symbol Item Conditions MIN. TYP. MAX. Unit
VSET2 Output Voltage Setting 1 *
1
0 V
VFB2 Feed Back Volatage 1 –20 0 20 mV
VINmax Maximum Input Voltage 10 V
V
OPTmin Minimum Operating Voltage
Specified as the V
DD
1.8 V
Voltage for Device Operation
ISS21 Supply Current21*
2
CSW=“H”, FB2=0.1V 15 60 µA
ISS22 Supply Current22*
2
CSW=“H”, FB2=–0.1V 4 µA
IEXT2H EXT2 “H” Output Current V
EXT2=VDD–0.4V 2 4 mA
IEXT2L EXT2 “L” Output Current VEXT2=0.4V 4 8 mA
fosc Maximum Oscillator Frequency 110 130 150 kHz
Maxdty Oscillator Duty Cycle ON (VEXT2=“L”) 40 50 60 %
∆V
FB2
Feed Back Voltage Temp.Co. –40˚C≤Topt≤85˚C ±30 µV/˚C
∆Topt
*
) VDD=3.0V : unless otherwise specified. (See Typical Application)
*
1 ) Adjustable by external resistors (to -30V).
*
2 ) This value shows only the supply current of DC/DC2, not include the supply current of external resistors.
VDD=3.0V, Topt=25˚C