R1224N592L 데이터 시트보기 (PDF) - RICOH Co.,Ltd.

부품명

상세내역

일치하는 목록

R1224N592L

PWM/VFM step-down DC/DC Converter

RICOH Co.,Ltd. 

R1224N

• R1224N102X (X=G/H/M)

Symbol

VIN

VFB

∆VFB/

∆Topt

Item

Operating Input Voltage

Feedback Voltage

Feedback Voltage

Temperature Coefficient

fosc Oscillator Frequency

∆fosc/ Oscillator Frequency

∆Topt Temperature Coefficient

IDD1

Supply Current 1

Istandby Standby Current

IEXTH EXT “H” Output Current

IEXTL EXT “L” Output Current

ICEH

ICEL

VCEH

VCEL

Maxdty

VUVLO1

CE “H” Input Current

CE “L” Input Current

CE “H” Input Voltage

CE “L” Input Voltage

Oscillator Maximum Duty Cycle

UVLO Voltage

Conditions

VIN=VCE=3.5V, IFB=−100mA

−40°C <= Topt <= 85°C

VIN=VCE=3.5V, IFB=−100mA

M Version

G Version

H Version

−40°C <= Topt <= 85°C

VIN=VCE=VFB=18.5V

M Version

G Version

H Version

VIN=18.5V, VCE=0V, VFB=0V

VIN=8V, VEXT=7.9V, VFB=8V,

VCE=8V

VIN=8V, VEXT=0.1V, VFB=0V,

VCE=8V

VIN=VCE=VFB=18.5V

VIN=VFB=18.5V, VCE=0V

VIN=8V, VFB=0V

VIN=8V, VFB=0V

VIN=VCE=2.5V to 1.5V, VFB=0V

VUVLO2 UVLO Release Voltage

VIN=VCE=1.5V to 2.5V, VFB=0V

tstart

tprot

Delay Time by Soft-Start function

Delay Time for protection circuit

VIN=2.5V, IFB=−10mA

VCE=0V→2.5V

VIN=VCE=2.5V

VFB=2.5V→0V

Min.

2.3

0.98

Typ.

1.00

Topt=25°C

Max. Unit

18.5 V

1.02 V

±100

ppm/°C

144

240

180

300

216

360

kHz

400 500 600

±0.2

%/°C

20

30

50

60

µA

40 80

0.0 0.5 µA

−17 −10 mA

20 30

mA

0.0 0.5 µA

−0.5 0.0

µA

1.5

V

0.3 V

100

%

1.8 2.0 2.2 V

VUVLO1

+0.1

2.3

V

5

10 20 ms

5

15 30 ms

6

Share Link: