LM78M12J3 datasheet(6/12 Pages) CYSTEKEC

Part #	LM78M12J3

Description	Three Terminal Medium Current Positive Voltage Regulators

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Manufacturer	CYSTEKEC [Cystech Electonics Corp.]

Direct Link	http://www.cystekec.com

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6 / 12 page

CYStech Electronics Corp.

Spec. No. : C520J3

Issued Date : 2007.10.23

Revised Date :2011.10.31

Page No. : 6/12

LM78MXXJ3

CYStek Product Specification

LM78M18

(Ta=25

°C, Vin=27V, Io=350mA, Cin=0.33uF, Cout=0.1uF, unless otherwise noted)

LM78M18

Symbol

Parameter

Conditions

Min

Typ

Max

Units

17.28

18.0

18.72

Vo

Output Voltage

5mA

≤Io≤350mA

21V

≤Vin≤33V

17.10

-

18.90

V

IO=200mA, 21V

≤Vin≤33V

-

7

100

ΔVo

Line Regulation

IO=200mA, 24V

≤Vin≤33V

-

3

50

mV

5mA

≤Io≤500mA

-

30

360

ΔVo

Load Regulation

5mA

≤Io≤200mA

-

15

180

mV

IQ

Quiescent Current

IO=0mA

-

4.5

6

mA

5mA

≤Io≤350mA

-

0.5

ΔIQ

Quiescent Current

Change

21V

≤Vin≤33V, Io=200mA

-

0.8

mA

Vn

Output Noise Voltage

10Hz

≤f≤100KHz

-

140

-

μV

RR

Ripple Rejection

22V

≤Vin≤32V, Io=100mA,

f=120Hz, eIN=1Vrms

53

-

dB

VD

Dropout Voltage

Io=500mA

-

2

-

V

ISC

Output Short Circuit

Current

Vin=30V

170

mA

IPK

Peak Output Current

Tj=25℃

700

mA

TCVo

Temperature Coefficient

of Output Voltage

Io=5mA, 0≤Tj≤125℃

-0.6

mV/℃

LM78M24

(Ta=25

°C, Vin=33V, Io=350mA, Cin=0.33uF, Cout=0.1uF, unless otherwise noted)

LM78M24

Symbol

Parameter

Conditions

Min

Typ

Max

Units

23.04

24.0

24.96

Vo

Output Voltage

5mA

≤Io≤350mA

27V

≤Vin≤33V

22.80

-

25.20

V

IO=200mA, 27V

≤Vin≤33V

-

10

100

ΔVo

Line Regulation

IO=200mA, 28V

≤Vin≤33V

-

5

50

mV

5mA

≤Io≤500mA

-

30

480

ΔVo

Load Regulation

5mA

≤Io≤200mA

-

15

240

mV

IQ

Quiescent Current

IO=0mA

-

4.8

6

mA

5mA

≤Io≤350mA

-

0.5

ΔIQ

Quiescent Current

Change

27V

≤Vin≤33V, Io=200mA

-

0.8

mA

Vn

Output Noise Voltage

10Hz

≤f≤100KHz

-

170

-

μV

RR

Ripple Rejection

28V

≤Vin≤38V, Io=100mA,

f=120Hz, eIN=1Vrms

50

-

dB

VD

Dropout Voltage

Io=500mA

-

2

-

V

ISC

Output Short Circuit

Current

Vin=30V

170

mA

IPK

Peak Output Current

Tj=25℃

700

mA

TCVo

Temperature Coefficient

of Output Voltage

Io=5mA, 0≤Tj≤125℃

-0.7

mV/℃

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