CYStech Electronics Corp.

Spec. No. : C520M3

Issued Date : 2014.05.08

Revised Date : 2014.06.23

Page No. : 5/10

LM78MXXM3

CYStek Product Specification

LM78M12

(Ta=25

°C, Vin=19V, Io=350mA, Cin=0.33uF, Cout=0.1uF, unless otherwise noted)

Symbol

Parameter

Conditions

LM78M12

Units

Min

Typ

Max

Vo

Output Voltage

11.52

12.0

12.48

V

5mA

≤Io≤350mA

15V

≤Vin≤27V

11.40

-

12.60

ΔVo

Line Regulation

≤Vin≤30V

-

5

100

mV

≤Vin≤30V

-

3

50

ΔVo

Load Regulation

5mA

≤Io≤500mA

-

30

240

mV

5mA

≤Io≤200mA

-

15

120

IQ

Quiescent Current

-

3.5

8

mA

ΔIQ

Quiescent Current

Change

5mA

≤Io≤350mA

-

-

0.5

mA

14.5V

≤Vin≤30V, Io=200mA

-

-

1.0

Vn

Output Noise Voltage

10Hz

≤f≤100KHz

-

110

-

μV

RR

Ripple Rejection

15V

≤Vin≤25V, Io=100mA,

55

-

-

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℃

-0.5

mV/℃

LM78M15

(Ta=25

°C, Vin=23V, Io=350mA, Cin=0.33uF, Cout=0.1uF, unless otherwise noted)

Symbol

Parameter

Conditions

LM78M15

Units

Min

Typ

Max

Vo

Output Voltage

14.40

15.0

15.60

V

5mA

≤Io≤350mA

17.5V

≤Vin≤30V

14.25

-

15.75

ΔVo

Line Regulation

≤Vin≤30V

-

6

100

mV

≤Vin≤30V

-

3

50

ΔVo

Load Regulation

5mA

≤Io≤500mA

-

30

300

mV

5mA

≤Io≤200mA

-

15

150

IQ

Quiescent Current

-

4.5

8

mA

ΔIQ

Quiescent Current

Change

5mA

≤Io≤350mA

-

-

0.5

mA

17.5V

≤Vin≤30V, Io=200mA

-

-

1.0

Vn

Output Noise Voltage

10Hz

≤f≤100KHz

-

130

-

μV

RR

Ripple Rejection

18.5V

≤Vin≤28.5V, Io=100mA,

54

-

-

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/℃