78LXXML-T92-R datasheet(7/10 Pages) UTC

7 / 10 page

78LXXM

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

7 of 10

www.unisonic.com.tw

QW-R101-002,I

ELECTRICAL CHARACTERISTICS(Cont.)

For UTC78L24M (VIN=33V, IOUT=40mA)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Output Voltage

VOUT

TJ=25°C

23.04

24.96

27V V

≦ IN 38V,I

≦

OUT=1mA ~ 40mA

22.80

25.20

27V V

≦ IN V

≦ MAX,

IOUT=1mA - 200mA

22.80

25.20

(Note 2)

Load Regulation

ΔVOUT

TJ=25°C, IOUT=1mA ~ 100mA

200

TJ=25°C, IOUT=1mA ~ 40mA

100

Line Regulation

ΔVOUT

27V V

≦ IN 38V,T

≦

J=25°C

160

300

28V V

≦ IN 38V,T

≦

J=25°C

150

250

Quiescent Current

2.2

6.0

Quiescent Current Change

ΔIQ

27V V

≦ IN 38V

≦

1.5

1mA V

≦ IN 40mA

≦

0.1

Output Noise Voltage

10Hz f 100kHz

≦≦

200

μV

Temperature Coefficient of VOUT

ΔVO/ΔT IOUT=5mA

-2.0

mV/°C

Ripple Rejection

27V V

≦ IN 38V,f=120Hz,T

≦

J=25°C

Dropout Voltage

TJ=25°C

1.7

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 represent pulse test conditions with junction

temperatures specified at the initiation of test.

Note 2: Power dissipation<0.5W

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