78T05AAG-TQ2-R datasheet(8/10 Pages) UTC

Part #	78T05AAG-TQ2-R

Description	3-TERMINAL 1.5A POSITIVE VOLTAGE REGULATOR

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Manufacturer	UTC [Unisonic Technologies]

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

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8 / 10 page

78TXXAA

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

8 of 10

www.unisonic.com.tw

QW-R101-044.A



ELECTRICAL CHARACTERISTICS(Cont.)

For UTC 78T18AA

(VIN =27V)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Output Voltage

VOUT

TJ =25°C, IOUT=5mA ~ 1.0A

17.28

18.0

18.72

V

VIN =21V ~ 33V,

IOUT=5mA ~ 1.0A, PD≤15W

17.10

18.90

V

Dropout Voltage

VD

TJ =25°C

2.0

V

Load Regulation

VOUT

TJ =25°C,IOUT=5mA ~ 1.5A

100

mV

TJ =25°C,IOUT=0.25A ~ 0.75A

50

mV

Line regulation

VOUT

VIN =21V ~ 33V, TJ =25°C

180

mV

VIN =21V ~ 33V,

TJ =25°C, IOUT =1.0A

180

mV

Quiescent Current

IQ

TJ =25°C, IOUT≤1.0A

8.0

mA

Quiescent Current Change

IQ

VIN =21.5V ~ 33V

1.0

mA

IOUT=5mA ~ 1.0A

0.5

mA

Output Noise Voltage

eN

10Hz≤f≤100kHz

110

μV

Temperature Coefficient of Vo

Vo/T

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

For UTC 78T24AA

(VIN =33V)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Output Voltage

VOUT

TJ =25°C, IOUT=5mA ~ 1.0A

23.04

24.0

24.96

V

VIN =27V ~ 38V,

IOUT=5mA ~ 1.0A, ,PD≤15W

22.80

25.20

V

Dropout Voltage

VD

TJ =25°C

2.0

V

Load Regulation

VOUT

TJ =25°C,IOUT=5mA ~ 1.5A

100

mV

TJ =25C,IOUT=0.25A ~ 0.75A

50

mV

Line regulation

VOUT

VIN =27V ~ 38V, TJ =25°C

240

mV

VIN =27V ~ 38V, TJ =25°C,I OUT=1.0A

240

mV

Quiescent Current

IQ

TJ =25°C, IOUT≤1.0A

8.0

mA

Quiescent Current Change

IQ

VIN =28V ~ 38V

1.0

mA

IOUT=5mA ~ 1.0A

0.5

mA

Output Noise Voltage

eN

10Hz≤f≤100kHz

170

μV

Temperature Coefficient of Vo

Vo/T

IOUT=5mA

-2.8

mV/°C

Ripple Rejection

RR

VIN =28V ~ 38V, f=120Hz, TJ =25°C

50

66

dB

Peak Output Current

IPEAK

TJ =25°C

1.8

A

Short-Circuit Current

ISC

VIN =35V, TJ =25°C

250

mA

Note 1: The Maximum steady state usable output current are dependent on input voltage, heat sinking, lead length

of the package and copper pattern of PCB. The data above represents pulse test conditions with junction

temperatures specified at the initiation of test.

Note 2: Power dissipation<0.5W

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