KIA78R25API datasheet(2/5 Pages) KEC

2 / 5 page

2002. 10. 4

2/5

KIA78R25API~KIA78R37API

Revision No : 3

ELECTRICAL CHARACTERISTICS

(Unless otherwise specified, IO=0.5A, Ta=25 , Note1.)

CHARACTERISTIC

SYMBOL

CONDITIONS

MIN.

TYP.

MAX.

UNIT

Output Voltage

KIA78R25

2.438

2.50

2.562

KIA78R30

2.925

3.00

3.075

KIA78R33

3.220

3.30

3.380

KIA78R35

3.413

3.50

3.587

KIA78R37

3.608

3.70

3.792

Load Regulation

Reg Load

IO=5mA 1A

0.1

2.0

Line Regulation

Reg Line

(Note 2)

0.5

2.5

Temperature Coefficient of Output Voltage

TCVO

Tj=0 125



0.02

0.05

Ripple Rejection

R R

Drop Out Voltage

IO=1A

0.5

Output ON state for control Voltage

VC(ON)

2.0

Output ON state for control Current

IC(ON)

VC=2.7V

Output OFF state for control Voltage

VC(OFF)

0.8

Output OFF state for control Current

IC(OFF)

VC=0.4V

-0.4

Quiescent Current

IO=0

Note1) VIN of KIA78R25=4.2V

Note2) VIN of KIA78R25=3.2 10V

Note3) At VIN=0.95VO

KIA78R30=4.7V

KIA78R30=3.7 10V

KIA78R33=5.0V

KIA78R33=4.0 10V

KIA78R35=5.2V

KIA78R35=4.2 10V

KIA78R37=5.4V

KIA78R37=4.4 10V

BLOCK DIAGRAM

OVER HEAT

PROTECTION

CONTROL

OUTPUT ON/OFF

ASO

PROTECTION

BANDGAP

REFERENCE

VIN

Control

GND

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