RV5VH Datasheet, PDF (7/47 Pages) RICOH electronics devices division – DC/DC CONVERTER CONTROLLER

RV5VH1××/RV5VH2××
ELECTRICAL CHARACTERISTICS
• RV5VH101
DC/DC Converter 1
Symbol
Item
VOUT1 Step-up Output Voltage
VINmax Maximum Input Voltage
Vstart Oscillator Start-up Voltage
Vhold Hold-on Input Voltage
ISS1
Supply Current1 *¹
ILX
LX Switching Current
ILXleak LX Leakage Current
fosc Maximum Oscillator Frequency
Maxdty Oscillator Duty Cycle
η
Efficiency
VLXlim Voltage Limit for LX Switch
∆VOUT1
∆Topt
Output Voltage Temp. Coefficient
Conditions
No Load
IOUT=1mA, VIN : 2→0V
No Load, CSW=“L”
VLX=0.4V
VLX=6.0V, VIN=3.5V
ON (VLX=“L”)
for LX pin
–40˚C≤Topt≤85˚C
MIN.
2.925
0.7
100
110
50
0.4
VOUT1=3.0V, Topt=25˚C
TYP. MAX. Unit
3.000 3.075 V
10
V
0.7
0.8
V
V
10
µA
mA
0.03
1
µA
130 150 kHz
65
80
%
80
%
0.8
V
±100
ppm/˚C
* ^{) VIN=1.2V, IOUT=10mA, Topt=25˚C, unless otherwise specified. (See Typical Application)}
*^{1 ) This value only shows the supply current of DC/DC1, not include the supply current of Voltage Detector and external resistors.}
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