78N18L-AB3-R datasheet(6/9 Pages) UTC

6 / 9 page

78NXX

LINEAR INTEGRATED CIRCUIT

UNISONIC TECHNOLOGIES CO., LTD

6 of 9

www.unisonic.com.tw

QW-R101-033.I



ELECT RI CAL CH ARACT ERI ST I CS (Cont .)

For 78N24 (VIN=33V, IOUT=40mA)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

TJ=25°C

23.04

24.00

24.96

Output Voltage

VOUT

27V≦VIN≦VMAX,

IOUT=1mA ~ 300mA (Note 2)

22.80

25.20

TJ=25°C, IOUT=1mA ~ 300mA

200

Load Regulation

V

OUT

TJ=25°C, IOUT=1mA ~ 40mA

100

27V≦VIN≦35V, TJ=25°C

160

300

Line Regulation

V

OUT

28V≦VIN≦35V, TJ=25°C

150

250

Quiescent Current

3.0

7.5

27V≦VIN≦35V

1.5

Quiescent Current Change

I

1mA≦VIN≦40mA

0.1

Output Noise Voltage

10Hz≦f≦100kHz

200

Temperature Coefficient of VOUT

V

O/TIOUT=5mA

2.0

mV/°C

Ripple Rejection

27V≦VIN≦35V, f=120Hz,TJ=25°C

Dropout Voltage

TJ=25°C

1.7

Notes: 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.

2. Power dissipation<0.5W

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