LM7800C datasheet(2/15 Pages) NSC | Series 3-Terminal Positive Regulators

2 page

Absolute Maximum Ratings (Note 1)

If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

(Note 5)

DC Input Voltage

All Devices except

LM7824/LM7824C

35V

LM7824/LM7824C

40V

Internal Power Dissipation (Note 2)

Internally Limited

Maximum Junction Temperature

150˚C

Storage Temperature Range

−65˚C to +150˚C

Lead Temperature (Soldering, 10 sec.)

TO-3 Package (K)

300˚C

TO-220 Package (T), TO-263

Package (S)

230˚C

ESD Susceptibility (Note 3)

2 kV

Operating Conditions (Note 1)

Temperature Range (T

A) (Note 2)

LM140A, LM140

−55˚C to +125˚C

LM340A, LM340, LM7805C,

LM7812C, LM7815C, LM7808C

0˚C to +125˚C

LM340A

Electrical Characteristics

OUT= 1A, −55˚C ≤ TJ≤+150˚C (LM140A), or 0˚C ≤ TJ≤+ 125˚C (LM340A) unless otherwise specified (Note 4)

Output Voltage

12V

15V

Symbol

Input Voltage (unless otherwise noted)

10V

19V

23V

Units

Parameter

Conditions

Min

Typ Max

Min

Typ Max

Min

Typ

Max

Output Voltage

TJ = 25˚C

4.9

5.1

11.75

12 12.25

14.7

15.3

PD ≤ 15W, 5 mA ≤ IO ≤ 1A

4.8

5.2

11.5

12.5

14.4

15.6

VMIN ≤ VIN ≤ VMAX

(7.5

≤ V

IN ≤ 20)

(14.8

≤ V

IN ≤ 27)

(17.9

≤ V

IN ≤ 30)

∆V

Line Regulation

IO = 500 mA

∆V

(7.5

≤ V

IN ≤ 20)

(14.8

≤ V

IN ≤ 27)

(17.9

≤ V

IN ≤ 30)

TJ = 25˚C

∆V

(7.5

≤ V

IN ≤ 20)

(14.5

≤ V

IN ≤ 27)

(17.5

≤ V

IN ≤ 30)

TJ = 25˚C

Over Temperature

∆V

≤ V

IN ≤ 12)

(16

≤ V

IN ≤ 22)

(20

≤ V

IN ≤ 26)

∆V

Load Regulation

TJ = 25˚C

5 mA

≤ I

O ≤ 1.5A

250 mA

≤ I

O ≤ 750 mA

Over Temperature,

5mA

≤ I

O ≤ 1A

Quiescent Current

TJ = 25˚C

Over Temperature

6.5

∆I

Quiescent Current

5 mA

≤ I

O ≤ 1A

0.5

Change

TJ = 25˚C, IO = 1A

0.8

VMIN ≤ VIN ≤ VMAX

(7.5

≤ V

IN ≤ 20)

(14.8

≤ V

IN ≤ 27)

(17.9

≤ V

IN ≤ 30)

IO = 500 mA

0.8

VMIN ≤ VIN ≤ VMAX

≤ V

IN ≤ 25)

(15

≤ V

IN ≤ 30)

(17.9

≤ V

IN ≤ 30)

Output Noise Voltage

TA = 25˚C, 10 Hz ≤ f ≤ 100 kHz

µV

Ripple Rejection

TJ = 25˚C, f = 120 Hz, IO = 1A

or f = 120 Hz, IO = 500 mA,

Over Temperature,

VMIN ≤ VIN ≤ VMAX

≤ V

IN ≤ 18)

(15

≤ V

IN ≤ 25)

(18.5

≤ V

IN ≤ 28.5)

Dropout Voltage

TJ = 25˚C, IO = 1A

2.0

Output Resistance

f = 1 kHz

Ω

Short-Circuit Current

TJ = 25˚C

2.1

1.5

1.2

Peak Output Current

TJ = 25˚C

2.4

Average TC of VO

Min, TJ = 0˚C, IO = 5 mA

−0.6

−1.5

−1.8

mV/˚C

VIN

Input Voltage

TJ = 25˚C

Required to Maintain

7.5

14.5

17.5

Line Regulation

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