Ricoh RV5VH Manual Do Utilizador

××

××

V

SET

Output Voltage Setting Range

*

1

0

V

V

FB

Feed Back Voltage

–20

0

20

mV

V

IN

Maximum Input Voltage

10

V

V

OPT

min

Minimum Operating Voltage*

2

I

OUT

=1mA

1.8

V

I

SS2

Supply Current2*

3

CSW= “H”    I

OUT

=0mA

10

µA

Istandby

Standby Current

CSW=“L”

0.3

µA

I

EXT2H

EXT2 “H” Output Current

V

EXT2

=V

OUT1

–0.4V

2

4

mA

I

EXT2L

EXT2 “L” Output Current

V

EXT2

=0.4V

4

8

mA

fosc

Maximum Oscillator Frequency

110

130

150

kHz

Maxdty

Oscillator Duty Cycle

V

EXT2

=“H”

40

50

60

%

V

CSWH

CSW “H” Input Voltage

V

OUT1

=3.0V

1.6

V

OUT1

V

V

CSWL

CSW “L” Input Voltage

V

OUT1

=3.0V

0

0.4

V

I

CSWleak

CSW Input Leakage Current

CSW=3.0V

–0.5

0.5

µA

∆

V

FB

Feed Back Voltage Temp. Co.

–40˚C

≤

Topt

≤

85˚C

±30

µV/˚C

∆

Topt

DC/DC Converter 2

*

) V

OUT1

=3.0V, V

OUT2

=-0.3V, I

OUT2

=1mA, unless otherwise specified. (See Typical Application)

*

1 ) Adjustable by external resistors to -30V.

*

2 ) “Minimum Operating Voltage”means a voltage for the “V

OUT1

” pin.

*

3 ) This value shows only the supply current of DC/DC2, not include the supply current of external resistors.

V

OUT1

=3.0V, Topt=25˚C