RV5VH datasheet(7/47 Pages) RICOH

Part #	RV5VH

Description	DC/DC CONVERTER CONTROLLER

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Manufacturer	RICOH [RICOH electronics devices division]

Direct Link	http://www.ricoh.com

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RV5VH1

××/RV5VH2××

6

ELECTRICAL CHARACTERISTICS

• RV5VH101

DC/DC Converter 1

* ) 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.

Symbol

Item

Conditions

MIN.

TYP.

MAX.

Unit

VOUT1

Step-up Output Voltage

2.925

3.000

3.075

V

VINmax

Maximum Input Voltage

10

V

Vstart

Oscillator Start-up Voltage

No Load

0.7

0.8

V

Vhold

Hold-on Input Voltage

IOUT=1mA, VIN :2

→0V

0.7

V

ISS1

Supply Current1 *1

No Load, CSW=“L”

10

µA

ILX

LX Switching Current

VLX=0.4V

100

mA

ILXleak

LX Leakage Current

VLX=6.0V, VIN=3.5V

0.03

1

µA

fosc

Maximum Oscillator Frequency

110

130

150

kHz

Maxdty

Oscillator Duty Cycle

ON (VLX=“L”)

50

65

80

%

η

Efficiency

80

%

VLXlim

Voltage Limit for LX Switch

for LX pin

0.4

0.8

V

∆VOUT1

Output Voltage Temp. Coefficient

–40˚C

≤Topt≤85˚C

±100

ppm/˚C

∆Topt

VOUT1=3.0V, Topt=25˚C

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RV5VH Datasheet(PDF) 7 Page - RICOH electronics devices division

RV5VH Datasheet(HTML) 7 Page - RICOH electronics devices division

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