P6

LM78M00Series-Terminal Low Current

Positive Voltage Regulators

LM78M20 ELECTRICAL CHARACTERISTICS AT SPECIFIED VIRTUAL JUNCTION

TEMPERATURE, V =29V,I

=350mA (unless otherwise noted)

I

LM78M24 ELECTRICAL CHARACTERISTICS AT SPECIFIED VIRTUAL JUNCTION

TEMPERATURE, V =33V,I

=350mA (unless otherwise noted)

I

PARAMETER

PARAMETER

TEST CONDITIONS*

TEST CONDITIONS*

LM78M20

LM78M24

MIN

MIN

TYP

TYP

MAX

MAX

UNIT

UNIT

Output voltage**

Input regulation

Ripple rejection

Output regulation

Temperature coefficient of

output voltage

Output noise voltage

Dropout voltage

Bias current

Bias current change

Short-circuit output current

Peak output current

Output voltage**

Input regulation

Ripple rejection

Output regulation

Temperature coefficient of

output voltage

Output noise voltage

Dropout voltage

Bias current

Bias current change

Short-circuit output current

Peak output current

I

= 5mA to 350mA,

VI= 21V to 35V,

P

15W

VI= 23V to 35V,

VI= 24V to 35V

I

= 5mA to 500mA

I

= 5mA to 200mA

f=10Hz to 100KHz

VI= 23V to 35V

I

= 5mA to 350mA

I

= 200mA

, I

= 200mA

I

= 5mA

, I

= 200mA

I

= 5mA to 350mA,

VI= 27V to 38V,

P

15W

VI= 27V to 38V,

VI= 28V to 38V

I

= 5mA to 500mA

I

= 5mA to 200mA

f=10Hz to 100KHz

VI= 27V to 38V

I

= 5mA to 350mA

I

= 200mA

, I

= 200mA

I

= 5mA

, I

= 200mA

VI= 24V to 34V,

f= 120Hz

VI= 28V to 38V,

f= 120Hz

I

= 100mA

I

= 300mA

I

= 100mA

I

= 300mA

25

0

to 125

25

25

25

25

25

0

to 125

25

0

to 1

25

0

to 125

25

25

25

0

to 125

25

25

25

25

25

0

to 125

25

0

to 1

25

0

to 125

25

25

19.2

19

53

53

23

22.8

50

50

20

20

18

7

70

25

10

-1.2

110

2.0

4.9

240

0.7

24

24

10

5

70

25

10

-1.2

170

2.0

5

240

0.7

20.8

21

100

50

400

200

6

0.8

0.5

25

25.2

100

50

480

240

6

0.8

0.5

V

mV

dB

mV

mV/

V

V

mA

A

V

mV

dB

mV

mV/

V

V

mA

A

* Pulse testing techniques are used to maintain the junction temperature as close to the ambient temperature as possible.

Thermal effects must be taken into account separately.

** This specification applies only for dc power dissipation permitted by absolute maximum ratings.