78TXXL-TQ2-R datasheet(6/8 Pages) ETL

6 / 8 page

78TXX

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

6 of 8

www.unisonic.com.tw

QW-R101-021,E

ELECTRICAL CHARACTERISTICS(Cont.)

For 78T15

(VIN=23V, IOUT=0.5A)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Output Voltage

VOUT

IOUT=5mA~0.5A

14.4

15.6

VIN =17.5~30V, IOUT=5mA~0.5A

14.25

15.75

Load Regulation

ΔVOUT

IOUT=5mA~0.5A

150

IOUT=5mA~200mA

Line Regulation

ΔVOUT

VIN=18.5~30V

150

VIN=17.5~30V, IOUT=0.5A

150

Quiescent Current

IOUT=0.5A

Quiescent Current Change

ΔIQ

VIN=17.5~30V

IOUT=5mA~0.5A

0.5

Output Noise Voltage

10Hz≦f≦100kHz

μV

Temperature coefficient of VOUT

ΔVOUT/ΔTIOUT=5mA

-1.8

mV/℃

Ripple Rejection

VIN=18.5~28.5V, f=120Hz

Peak Output Current

IPEAK

1.2

Short-Circuit Current

ISC

VIN=35V

250

Dropout Voltage

For 78T18

(VIN=27V, IOUT=0.5A)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Output Voltage

VOUT

IOUT=5mA~0.5A

17.28

18.72

VIN=21~33V, IOUT=5mA~0.5A

17.1

18.9

Load Regulation

ΔVOUT

IOUT=5mA~0.5A

180

IOUT=5mA~200mA

Line Regulation

ΔVOUT

VIN=21~33V

180

VIN=21~33V, IOUT =0.5A

180

Quiescent Current

IOUT=0.5A

Quiescent Current Change

ΔIQ

VIN=21.5~33V

IOUT=5mA~0.5A

0.5

Output Noise Voltage

10Hz≦f≦100kHz

110

μV

Temperature coefficient of VOUT

ΔVOUT/ΔTIOUT=5mA

-2.2

mV/℃

Ripple Rejection

VIN =22~32V, f=120Hz

Peak Output Current

IPEAK

1.2

Short-Circuit Current

ISC

VIN=35V

250

Dropout Voltage

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