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R5322N401A-TR

120mA 2ch LDO REGULATORS

RICOH Co.,Ltd. 

R5322N

ELECTRICAL CHARACTERISTICS

• R5322NxxxA/B

Symbol

Item

Conditions

Topt=25°C

Min. Typ. Max. Unit

VOUT

Output voltage

VIN=Set VOUT+1V,

1mA <= IOUT <= 30mA

×0.98

×1.02 V

IOUT

Output Current

∆VOUT/∆IOUT Load regulation

VDIF

Dropout Voltage

ISS

Supply Current

VIN−VOUT=1.0V

120

mA

VIN=Set VOUT+1V,

1mA <= IOUT <= 120mA

12

40

mV

Refer to the ELECTRICAL CHARACTERISTICS

by OUTPUT VOLTAGE

VIN=Set VOUT+1V

75 150 µA

Istandby Supply Current (Standby)

∆VOUT/∆VIN Line regulation

RR

VIN

∆VOUT/

∆Topt

Ilim

Ripple Rejection

Input Voltage

Output Voltage

Temperature Coefficient

Short Current Limit

VIN=VCE=Set VOUT+1V

Set VOUT+0.5V <= VIN <= 6.0V

IOUT=30mA

(In case that VOUT <= 1.6,

2.2V <= VIN <= 6.0))

f=1kHz,Ripple 0.5Vp-p,

VIN=Set VOUT+1V,IOUT=30mA

IOUT=30mA

−40°C <= Topt <= 85°C

VOUT=0V

0.1 1.0

µA

0.05 0.20 %/V

75

dB

2.2

6.0

V

±100

ppm

/°C

40

mA

RPD

CE Pull-down Resistance

1.5 4.0 16.0 MΩ

VCEH

CE Input Voltage “H”

1.5

VIN

V

VCEL

CE Input Voltage “L”

0.0

0.3

V

en

RLOW

Output Noise

Low Output Nch Tr. ON

Resistance (of B version)

BW=10Hz to 100kHz

VCE=0V

30

µVrms

70

Ω

• Electrical Characteristics by Output Voltage

Output Voltage

VOUT (V)

1.5V <= VOUT < 1.6V

1.7V <= VOUT < 1.8V

1.9V <= VOUT < 2.0V

2.1V <= VOUT < 2.7V

2.8V <= VOUT < 4.0V

Dropout Voltage VDIF(V)

Condition

Typ.

0.36

0.30

IOUT = 120mA

0.28

0.24

0.18

Max.

0.70

0.50

0.45

0.40

0.30

5

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