NJM7900 datasheet(4/8 Pages) NJRC

Part #	NJM7900

Description	3-TERMINAL NEGATIVE 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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NJM7900

- 4 -

Ver.2014-07-31

■ ELECTRICAL CHARACTERISTICS (T

j25ºC, CIN2.2μF, CO1.0μF)

Measurement is to be conducted in pulse testing.

PARAMETER

SYMBOL

TEST CONDITION

MIN.

TYP.

MAX.

UNIT

NJM7918FA

Output Voltage

VO

VIN

-27V, I

O

0.5A

-17.3

-18.0

-18.7

V

Line Regulation

ΔVO- VIN

VIN

-21 to –33V, I

O

0.5A

-

4

180

mV

Load Regulation

ΔVO - IO

VIN

-27V, I

O

0.005 to 1.5A

-

60

210

mV

Quiescent Current

IQ

VIN

-27V, I

O

0mA

-

2.7

6.0

mA

Average Temperature

Coefficient of Output Voltage

ΔVO/ΔT

VIN

-27V, I

O

5mA

-

-0.6

-

mV/ºC

Ripple Rejection

RR

VIN

-27V, I

O

0.5A, e

in

2V

P-P, f

120Hz

54

66

-

dB

Output Noise Voltage

VNO

VIN

-27V, I

O

0.5A, BW10Hzto 100kHz,

-

200

-

μV

NJM7924FA

Output Voltage

VO

VIN

-33V, I

O

0.5A

-23.0

-24.0

-25.0

V

Line Regulation

ΔVO- VIN

VIN

-27 to –38V, I

O

0.5A

-

5

240

mV

Load Regulation

ΔVO - IO

VIN

-33V, I

O

0.005 to 1.5A

-

60

270

mV

Quiescent Current

IQ

VIN

-33V, I

O

0mA

-

2.7

6.0

mA

Average Temperature

Coefficient of Output Voltage

ΔVO/ΔT

VIN

-33V, I

O

5mA

-

-0.8

-

mV/ºC

Ripple Rejection

RR

VIN

-33V, I

O

0.5A, e

in

2V

P-P, f

120Hz

54

64

-

dB

Output Noise Voltage

VNO

VIN

-33V, I

O

0.5A, BW10Hzto 100kHz,

-

300

-

μV

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