78LXXL-T92-B-B datasheet(5/8 Pages) UTC

Part #	78LXXL-T92-B-B

Description	LINEAR INTEGRATED CIRCUIT

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Manufacturer	UTC [Unisonic Technologies]

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

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78LXX

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

5 of 8

www.unisonic.com.tw

QW-R101-001,AG

ELECTRICAL CHARACTERISTICS (Cont.)

For UTC78L15 (VIN=23V, IOUT=40mA, 0°C <TJ<125°C, C1=0.33uF, Co=0.1uF, unless otherwise specified)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

TJ=25°C

14.40 15.0

15.60

V

17.5V≦VIN≦30V,IOUT=1mA-40mA

14.25

15.75

V

Output Voltage

VOUT

17.5V≦VIN≦VMAX, IOUT=1mA-70mA

14.25

15.75 V(note 2)

TJ=25°C,IOUT=1mA-100mA

20

150

mV

Load Regulation

VOUT

Tj=25°C,IOUT=1mA-70mA

25

150

mV

17.5V≦VIN≦30V,TJ=25°C

25

150

mV

Line regulation

VOUT

20V≦VIN≦30V,TJ=25°C

15

75

mV

Quiescent Current

∆IQ

VIN=23V,IOUT=0mA,TJ=25°C

2.2

6.5

mA

20V≦VIN≦30V

1.5

mA

Quiescent Current Change

∆IQ

1mA≦VIN≦40mA

0.1

mA

Output Noise Voltage

eN

10Hz≦f≦100kHz

90

uV

Temperature coefficient of VOUT

∆VO/∆T IOUT=5mA

-1.3

mV/

°C

Ripple Rejection

RR

18.5V≦VIN≦28.5V,f=120Hz, TJ=25°C

34

63

dB

Dropout Voltage

VD

TJ=25°C

1.7

V

For UTC78L18 (VIN=27V,IOUT=40mA,0°C<TJ<125°C,C1=0.33uF,Co=0.1uF,unless otherwise specified)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

TJ=25°C

17.28 18.0

18.72

V

21V≦VIN≦33V,IOUT=1mA-40mA

17.10

18.90

V

Output Voltage

VOUT

21V≦VIN≦VMAX,IOUT=1mA-70mA

17.10

18.90 V(note 2)

TJ=25°C,IOUT=1mA-100mA

30

170

mV

Load Regulation

VOUT

TJ=25°C,IOUT=1mA-40mA

15

85

mV

21V≦VIN≦33V,TJ=25°C

145

300

mV

Line regulation

VOUT

22V≦VIN≦33V,TJ=25°C

135

250

mV

Quiescent Current

∆IQ

VIN=27V,IOUT=0mA,TJ=25°C

2.0

6.0

mA

21V≦VIN≦33V

1.5

mA

Quiescent Current Change

∆IQ

1mA≦VIN≦40mA

0.1

mA

Output Noise Voltage

eN

10Hz≦f≦100kHz

150

uV

Temperature coefficient of VOUT

∆VO/∆T IOUT=5mA

-1.8

mV/

°C

Ripple Rejection

RR

23V≦VIN≦33V,f=120Hz,TJ=25°C

34

48

dB

Dropout Voltage

VD

TJ=25°C

1.7

V

For UTC78L24 (VIN=33V,IOUT=40mA,0°C <TJ<125°C,C1=0.33uF,Co=0.1uF,unless otherwise specified)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

TJ=25°C

23.04 24.0

24.96

V

27V≦VIN≦38V,IOUT=1mA-40mA

22.8

25.2

V

Output Voltage

VOUT

27V≦VIN≦VMAX, IOUT=1mA-70mA

22.8

25.2 V(note 2)

TJ=25°C,IOUT=1mA-100mA

40

200

mV

Load Regulation

△

VOUT

TJ=25°C,IOUT=1mA-40mA

20

100

mV

27V≦VIN≦38V,TJ=25°C

160

300

mV

Line regulation

△

VOUT

28V≦VIN≦38V,TJ=25°C

150

250

mV

Quiescent Current

∆IQ

VIN=33V,IOUT=0mA,TJ=25°C

2.2

6.0

mA

27V≦VIN≦38V

1.5

mA

Quiescent Current Change

∆IQ

1mA≦VIN≦40mA

0.1

mA

Output Noise Voltage

eN

10Hz≦f≦100kHz

200

uV

Temperature coefficient of VOUT

∆VO/∆T IOUT=5mA

-2.0

mV/

°C

Ripple Rejection

RR

27V≦VIN≦38V,f=120Hz,TJ=25°C

34

45

dB

Dropout Voltage

VD

TJ=25°C

1.7

V

Note 1.The Maximum steady state usable output current is dependent on input voltage, heat sinking, lead length of

the package and copper pattern of PCB.

2.Power dissipation<0.5W

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