RV5VH Datasheet, PDF (36/47 Pages) RICOH electronics devices division – DC/DC CONVERTER CONTROLLER

RV5VH3××
ELECTRICAL CHARACTERISTICS
• RV5VH301
DC/DC Converter 1
Symbol
Item
VSET1 Output Voltage Setting 1
VFB1 Feed Back Volatage 1
VINmax Maximum Input Voltage
VOPTmin Minimum Operating Voltage
ISS11
Supply Current11*²
ISS12
Supply Current12*²
Istandby Standby Current*³
IEXT1H EXT1 “H” Output Current
IEXT1L EXT1 “L” Output Current
fosc Maximum Oscillator Frequency
Maxdty Oscillator Duty Cycle
∆VFB1
∆Topt
Feed Back Voltage Temp.Coefficient
VCSWH CSW “H” Input Voltage
VCSWL CSW “L” Input Voltage
ICSWleak CSW Input Leakage Current
Conditions
Specified as a VDD
Voltage for Device Operation
CSW=“H”, FB1=1.9V
CSW=“H”, FB1=2.1V
CSW=“L”
VEXT1=VDD–0.4V
VEXT1=0.4V
ON (VEXT1=“L”)
–40˚C≤Topt≤85˚C
CSW=3.0V or CSW=0V
* ^{) VDD=3.0V, IOUT=10mA : unless otherwise specified. (See Typical Application)}
*^{1 ) Adjustable by external resistors (to 30V).}
*^{2 ) Supply current for DC/DC1. Supply current for VD or external resistors are excluded.}
*^{3 ) Standby current includes supply current for DC/DC1, 2 and VD.}
MIN.
2.05
1.950
VDD=3.0V, Topt=25˚C
TYP. MAX. Unit
*¹
V
2.000 2.050 V
10
V
1.8
V
15
60
µA
4
µA
4
11
µA
1.5
3
mA
4
8
mA
110 130 150 kHz
50
65
80
%
±100
ppm/˚C
1.6
VDD
V
0
0.4
V
–0.5
0.5
µA
35