NJM2857

- 3 -

Ver.2010-02-08

ELECTRICAL CHARACTERISTICS

PARAMETER

SYMBOL

TEST CONDITION

MIN.

TYP.

MAX.

UNIT

Output Voltage

Vo

Io=30mA

-1.0%

-

+1.0%

V

Input Voltage

-

-

8

V

Quiescent Current

Io=0mA

-

500

750

µA

Quiescent Current

at Control OFF

-

-

100

nA

Output Current

Io

Vo

×0.9V

1500

2000

-

mA

Line Regulation

∆Vo/∆V

IN

Io=30mA

-

-

0.10

%/V

Load Regulation

∆Vo/∆Io

Io=0

∼ 1500mA

-

-

0.003

%/mA

Dropout Voltage(*1)

∆V

I -O

Io=1000mA

-

0.20

0.30

V

Vo=1.5V

-

86

-

Vo=2.5V

-

82

-

Vo=3.0V

-

80

-

Vo=3.3V

-

79

-

Ripple Rejection(*2)

RR

ein=200mVrms,

f=1kHz,

Io=10mA

Vo=5.0V

-

78

-

dB

Average Temperature

Coefficient of Output

Voltage

∆Vo/∆Ta

Ta=0

∼ 85°C, Io=10mA

-

± 50

-

ppm/

°C

Vo=1.5V

-

26

-

Vo=2.5V

-

41

-

Vo=3.0V

-

47

-

Vo=3.3V

-

51

-

Output Noise Voltage

f=10Hz

∼ 80kHz,

Io=10mA,

Vo=5.0V

-

69

-

µVrms

Control Current

-

3

12

µA

Control Voltage for ON-state

1.6

-

-

V

Control Voltage for OFF-state

-

-

0.6

V

(*1): The output voltage excludes under 2.4V

The above specification is a common specification for all output voltages.

Therefore, it may be different from the individual specification for a specific output voltage.

POWER DISSIPATION vs. AMBIENT TEMPERATURE

NJM2857DL3 PowerDissipation

(Topr=-40~+85°C,Tj=150°C)

0

500

1000

1500

2000

2500

3000

3500

-50

-25

0

25

50

75

100

Temperature : Ta(°C)

on 4 layers board

on 2 layers board