78TXXAL-TQ2-T datasheet(4/8 Pages) UTC

Part #	78TXXAL-TQ2-T

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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78TXXA

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

4 of 8

www.unisonic.com.tw

QW-R101-012.H

ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified)

PARAMETER

SYMBOL

RATING

UNIT

VOUT=4.7~18V

VIN

35

V

Input Voltage

VOUT=24V

VIN

40

V

Output Current

IOUT

1

A

Power Dissipation

PD

Internally Limited

W

Junction Temperature

TJ

+125

°С

Operating Junction Temperature

TOPR

-20~ +85

°С

Storage Temperature

TSTG

-40~ +150

°С

Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.

Absolute maximum ratings are stress ratings only and functional device operation is not implied.

ELECTRICAL CHARACTERISTICS

(TJ= 0°С-125°С,CI =0.33uF,CO=0.1uF,unless otherwise specified) (Note 1)

FOR 78T47A

(VIN=9.7V, IOUT=0.5A)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

TJ=25°C, IOUT=5mA-1.0A

4.512

4.70

4.888

V

Output Voltage

VOUT

VIN=7.2V~19.7V,IOUT=5mA-1.0A,PD 15W

≦

4.465

4.935

V

TJ=25°C, IOUT=5mA-1.0A

47

mV

Load Regulation

ΔVOUT

TJ=25°C, IOUT=0.25A-0.75A

24

mV

VIN=7.2V~19.7V, TJ=25°C

47

mV

Line regulation

ΔVOUT

VIN=7.2V~19.7V, TJ=25°C, IOUT=1.0A

47

mV

Quiescent Current

IQ

TJ=25°C, IOUT 1.0A

≦

8.0

mA

VIN=7.2V~19.7V

1.0

mA

Quiescent Current Change

ΔIQ

IOUT=5mA-1.0A

0.5

mA

Output Noise Voltage

eN

10Hz f 100kHz

≦≦

40

μV

Temperature coefficient of Vo

ΔVo/ΔT

IOUT=5mA

-0.6

mV/

°C

Ripple Rejection

RR

VIN=7.7V-17.7V, f=120Hz, TJ=25°C

62

80

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 78T05A

(VIN=10V, IOUT=0.5A)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

TJ=25°C, IOUT=5mA - 1.0A

4.80

5.0

5.20

V

Output Voltage

VOUT

VIN=7.5V~20V,IOUT=5mA-1.0A, PD 15W

≦

4.75

5.25

V

TJ=25°C, IOUT=5mA-1.0A

50

mV

Load Regulation

ΔVOUT

TJ=25°C, IOUT=0.25A-0.75A

25

mV

VIN=7V~25V, TJ=25°C

50

mV

Line regulation

ΔVOUT

VIN=7.5V~20V, TJ=25°C, IOUT=1.0A

50

mV

Quiescent Current

IQ

TJ=25°C, IOUT 1.0A

≦

8.0

mA

VIN=7.5V~20V

1.0

mA

Quiescent Current Change

ΔIQ

IOUT=5mA-1.0A

0.5

mA

Output Noise Voltage

eN

10Hz f 100kHz

≦≦

40

μV

Temperature coefficient of Vo

ΔVo/ΔT

IOUT=5mA

-0.6

mV/

°C

Ripple Rejection

RR

VIN=8V-18V, f=120Hz, TJ=25°C

62

80

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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