KIA7907P datasheet(12/15 Pages) KEC

12 / 15 page

2012. 2. 21

12/15

KIA7905P~KIA7924P

Revision No : 2

ELECTRICAL CHARACTERISTICS

KIA7920P

(Unless otherwise specified, VIN=-30V, IOUT=500mA, 0℃≦Tj≦125℃, CIN=2.2μF, COUT=1μF)

CHARACTERISTIC

SYMBOL

TEST

CIRCUIT

TEST CONDITION

MIN.

TYP.

MAX.

UNIT

Output Voltage

VOUT

Fig.1

Tj=25℃

-20.8

-20

-19.2

Input Regulation

Reg line

Fig.1

Tj=25℃

-32V

≦VIN≦-26V

180

-35V

≦VIN≦-24V

360

Load Regulation

Reg load

Fig.1

Tj=25℃

5mA

≦IOUT≦1.5A

360

250mA

≦IOUT≦750mA

180

Output Voltage

VOUT

Fig.1

-35V

≦VIN≦-24

5mA

≦IOUT≦1.0A

-21.0

-20

-19.0

Quiescent Current

Fig.1

Tj=25℃

Quiescent

Current Change

Line

ΔIBI

Fig.1

-36.5V

≦VIN≦-25V

1.0

Load

ΔIBO

5mA

≦IOUT≦1.0A

0.5

Output Noise Voltage

VNO

Fig.2

Ta=25

℃, 10Hz≦f≦100kHz

350

μVrms

Ripple Rejection Ratio

Fig.3

f=120Hz, IOUT=20mA

Short Circuit Current Limit

ISC

Fig.1

Tj=25℃

1.9

Average Temperature

Coefficient of Output Voltage

TCVO

Fig.1

IOUT=5mA

-1.0

mV/

℃

Dropout Voltage

Fig.1

Tj=25℃, IOUT=1A

2.0

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