KIA7908P datasheet(6/15 Pages) KEC

6 / 15 page

2012. 2. 21

6/15

KIA7905P~KIA7924P

Revision No : 2

ELECTRICAL CHARACTERISTICS

KIA7908P

(Unless otherwise specified, VIN=-14V, 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℃

-8.3

-8.0

-7.7

Input Regulation

Reg line

Fig.1

Tj=25℃

-17V

≦VIN≦-11V

-25V

≦VIN≦-10.5V

100

Load Regulation

Reg load

Fig.1

Tj=25℃

5mA

≦IOUT≦1.5A

160

250mA

≦IOUT≦750mA

Output Voltage

VOUT

Fig.1

-23V

≦VIN≦-11.5V

5mA

≦IOUT≦1.0A

-8.4

-8.0

-7.6

Quiescent Current

Fig.1

Tj=25℃

Quiescent

Current Change

Line

ΔIBI

Fig.1

-25V

≦VIN≦-11.5V

0.1

1.0

Load

ΔIBO

5mA

≦IOUT≦1.0A

0.05

0.5

Output Noise Voltage

VNO

Fig.2

Ta=25

℃, 10Hz≦f≦100kHz

175

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

-0.6

mV/

℃

Dropout Voltage

Fig.1

Tj=25℃, IOUT=1A

2.0

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