R1210N221A-TR datasheet(6/18 Pages) RICOH

Part #	R1210N221A-TR

Description	PWM Step-up DC/DC Converter

Download	18 Pages

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Manufacturer	RICOH [RICOH electronics devices division]

Direct Link	http://www.ricoh.com

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6 / 18 page

R1210N××1×

5

Symbol

Item

Conditions

MIN.

TYP.

MAX.

Unit

70

100

µA

(××1C)

4.6V≤VSET≤5.0V

VOUT=VSET×0.96

100

130

µA

(××1D)

80

110

µA

(××1C)

5.1V≤VSET≤5.5V

VOUT=VSET×0.96

110

150

µA

(××1D)

90

120

µA

(××1C)

IDD1

Supply Current1

5.6V≤VSET≤6.0V

VOUT=VSET×0.96

130

170

µA

(××1D)

10

17

µA

(××1A/C)

IDD2

Supply Current2

VOUT=VCE=VSET+0.5V

15

24

µA

(××1D)

Istandby

Standby Current

VOUT=6V, VCE=0V

0.5

µA

ILXleak

LX Leakage Current

VOUT=VLX=8V

0.5

µA

80

100

120

KHz

(××1A/C)

fosc

Maximum Oscillator

Frequency

VOUT=VCE=VSET×0.96

144

180

216

KHz

(××1D)

0.5

kHz/°C

(××1A/C)

∆fosc/

∆Topt

Oscillator Frequency

Temperature Coefficient

-40°C≤ Topt ≤ 85°C

0.6

kHz/°C

(××1D)

Maxdty

Oscillator Maximum Duty

Cycle

VOUT=VCE=VSET×0.96,

(VLX “L” Side)

70

85

97

%

VLXlim

VLX Limit Voltage

VOUT=VCE=VSET×0.96,

(VLX “L” Side)

0.4

0.6

0.8

V

VCEH

CE “H” Input Voltage

VOUT=VSET×0.96

0.9

V

VCEL

CE “L” Input Voltage

VOUT=VSET×0.96

0.3

V

ICEH

CE “H” Input Current

VOUT=VCE=6.5V

-0.1

0

0.1

µA

ICEL

CE “L” Input Current

VIN=6.5V, VCE=0V

-0.1

0

0.1

µA

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R1210N221A-TR Datasheet(PDF) 6 Page - RICOH electronics devices division

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