78TXXAL-TQ2-R datasheet(7/8 Pages) UTC

Part #	78TXXAL-TQ2-R

Description	3-TERMINAL 1A POSITIVE VOLTAGE REGULATOR

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Manufacturer	UTC [Unisonic Technologies]

Direct Link	http://www.utc-ic.com

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7 / 8 page

78TXXA

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

7 of 8

www.unisonic.com.tw

QW-R101-012.H

ELECTRICAL CHARACTERISTICS(Cont.)

FOR 78T15A

(VIN=23V, IOUT=0.5A)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

TJ=25°C, IOUT=5mA-1.0A

14.40

15.0

15.60

V

Output Voltage

VOUT

VIN=17.5V~30V,IOUT=5mA-1.0A,PD 15W

≦

14.25

15.75

V

TJ=25°C, IOUT=5mA-1.0A

150

mV

Load Regulation

ΔVOUT

TJ=25°C, IOUT=0.25A-0.75A

75

mV

VIN=18.5V~30V, TJ=25°C

150

mV

Line regulation

ΔVOUT

VIN=17.7V~30V, TJ=25°C, IOUT=1.0A

150

mV

Quiescent Current

IQ

TJ=25°C, IOUT 1.0A

≦

8.0

mA

VIN=17.5V~30V

1.0

mA

Quiescent Current Change

ΔIQ

IOUT=5mA-1.0A

0.5

mA

Output Noise Voltage

eN

10Hz f 100

≦≦

kHz

90

μV

Temperature coefficient of Vo

ΔVo/ΔT

IOUT=5mA

-1.8

mV/

°C

Ripple Rejection

RR

VIN=18.5V~28.5V, f=120Hz, TJ=25°C

54

70

dB

Peak Output Current

IPEAK

TJ=25°C

1.8

A

Short-Circuit Current

ISC

VIN=35V, TJ=25°C

250

mA

Dropout Voltage

VD

TJ=25°C

2.0

V

FOR 78T18A

(VIN=27V, IOUT=0.5A)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

TJ=25°C, IOUT=5mA-1.0A

17.28

18.0

18.72

V

Output Voltage

VOUT

VIN=21V~33V, IOUT=5mA-1.0A, PD 15W

≦

17.10

18.90

V

TJ=25°C, IOUT=5mA-1.0A

180

mV

Load Regulation

ΔVOUT

TJ=25°C, IOUT=0.25A-0.75A

90

mV

VIN=21V~33V, TJ=25°C

180

mV

Line regulation

ΔVOUT

VIN=21V~33V, TJ=25°C, IOUT=1.0A

180

mV

Quiescent Current

IQ

TJ=25°C, IOUT 1.0A

≦

8.0

mA

VIN=21.5V~33V

1.0

mA

Quiescent Current Change

ΔIQ

IOUT=5mA-1.0A

0.5

mA

Output Noise Voltage

eN

10Hz f 100kHz

≦≦

110

μV

Temperature coefficient of Vo

ΔVo/ΔT

IOUT=5mA

-2.2

mV/

°C

Ripple Rejection

RR

VIN=22V-32V, f=120Hz, TJ=25°C

53

69

dB

Peak Output Current

IPEAK

TJ=25°C

1.8

A

Short-Circuit Current

ISC

VIN=35V, TJ=25°C

250

mA

Dropout Voltage

VD

TJ=25°C

2.0

V

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