NJM2846DL3-18-TE1 datasheet(4/16 Pages) NJRC

Part #	NJM2846DL3-18-TE1

Description	LOW DROPOUT VOLTAGE REGULATOR

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Manufacturer	NJRC [New Japan Radio]

Direct Link	http://www.jrc.co.jp/eng/index.html

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4 / 16 page

NJM2845/46

- 4 -

Ver.2008-02-06

NJM2846

ELECTRICAL CHARACTERISTICS

(VIN=Vo+1V, CIN=0.33µF, Co=2.2µF(1.7V<Vo≤2.6V version: Co=4.7µF, Vo≤1.7V: Co=10µF), Ta=25°C)

PARAMETER

SYMBOL

TEST CONDITION

MIN.

TYP.

MAX.

UNIT

Output Voltage

Vo

Io=30mA

-1.0%

-

+1.0%

V

Quiescent Current

IQ

Io=0mA

-

400

600

µA

Quiescent Current

at Control OFF

IQ(OFF)

VCONT=0V

-

100

nA

Line Regulation

Io

Vo - 0.3V

800

1050

-

mA

Line Regulation

∆Vo/∆VIN

VIN=Vo+1V ∼ Vo+6V, Io=30mA

-

0.10

%/V

Load Regulation

∆Vo/∆Io

Io=0

∼ 800mA

-

0.004

%/mA

Dropout Voltage(*5)

∆VI-O

Io=500mA

-

0.18

0.28

V

Ripple Rejection

RR

ein=200mVrms, f=1kHz, Io=10mA,

Vo=3V Version

-

75

-

dB

Average Temperature

Coefficient of Output

Voltage

∆Vo/∆Ta

Ta=0

∼ 85°C, Io=10mA

-

± 50

-

ppm/

°C

Output Noise Voltage

VNO

f=10Hz

∼ 80kHz, Io=10mA,

Vo=3V Version

-

45

-

µVrms

Control Current

ICONT

VCONT=1.6V, Io=0mA

-

3

12

µA

Control Voltage for ON-state

VCONT(ON)

1.6

-

V

Control Voltage for OFF-state

VCONT(OFF)

-

0.6

V

(*5): The output voltage excludes under 2.3V.

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

NJM2846DL3

(Topr=-40~+85°C,Tj=+150°C,PD=10W(TC≤25°C),PD=1W(Ta≤25°C))

0

2

4

6

8

10

12

-50

-25

0

25

50

75

100

Ambient Temperature Ta(°C)

∞ Heat Sink

Without Heat Sink

θHS=5°C/W

θHS=20°C/W

θHS=10°C/W

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