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RN5RG

VOLTAGE REGULATOR WITH EXTERNAL POWER TRANSISTOR

RICOH Co.,Ltd. 

RN5RG

ELECTRICAL CHARACTERISTICS

Symbol

Item

Conditions

MIN.

TYP.

MAX.

Topt=25˚C

Unit Note

VOUT

Output Voltage

VIN=8.0V

IOUT=50mA

VOUT

×0.975

VOUT

×1.025

V

IOUT

Output Current

VIN–VOUT=1.0V

1000

mA Note

IEXT

EXT Current

VIN=4.0V, VEXT=2.0V

10

mA

∆VOUT

∆IOUT

Load Regulation

VIN–VOUT=1.0V

–60

1mA≤IOUT≤100mA

60

mV

VDIF

Dropout Voltage

IOUT=100mA

100 200

mV

ISS

Supply Current

VIN–VOUT=1.0V

IOUT=0mA (at no load)

50

80

µA

Istandby Supply Current (Standby)

VIN=8V

0.01 0.2

1.0

µA

IEXTleak

EXT Leakage Current

0.5

µA

∆VOUT

∆VIN

Line Regulation

IOUT=50mA

VOUT+0.5V≤VIN≤8V

0

0.1

0.3

%/V

VIN

Input Voltage

8

V

VEXT

EXT Output Voltage

8

V

∆VOUT

∆Topt

Output Voltage

Temperature Coefficient

IOUT=10mA

–40˚C≤Topt≤85˚C

±100

ppm/˚C

VCEH

VCEL

CE Input Voltage “H”

CE Input Voltage “L”

1.5

V

0.25

V

ICEH

CE Input Current “H”

0

0.1

µA

ICEL

CE Input Current “L”

–5

–3

–0.1

µA

(Note)

*)

The output current depends upon the performance of External PNP Transistor. Use External PNP Transistor of a low saturation type, with an hFE

of 100 or more.

With respect to Test Circuits, refer to the Typical Application.

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