LM7805CT datasheet(3/8 Pages) NSC

Part #	LM7805CT

Description	Series Voltage Regulators

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Manufacturer	NSC [National Semiconductor (TI)]

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Absolute Maximum Ratings (Note 3)

If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

Input Voltage

(V

O = 5V, 12V and 15V)

35V

Internal Power Dissipation (Note 1)

Internally Limited

Operating Temperature Range (T

A)

0˚C to +70˚C

Maximum Junction Temperature

(K Package)

150˚C

(T Package)

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

230˚C

Electrical Characteristics LM78XXC (Note 2)

0˚C

≤ T

J ≤ 125˚C unless otherwise noted.

Output Voltage

5V

12V

15V

Input Voltage (unless otherwise noted)

10V

19V

23V

Units

Symbol

Parameter

Conditions

Min

Typ

Max

Min

Typ

Max

Min

Typ

Max

V

O

Output Voltage

Tj = 25˚C, 5 mA

≤ I

O ≤ 1A

4.8

5

5.2

11.5

12

12.5

14.4

15

15.6

V

P

D ≤ 15W, 5 mA ≤ IO ≤ 1A

4.75

5.25

11.4

12.6 14.25

15.75

V

MIN ≤ VIN ≤ VMAX

(7.5

≤ V

IN ≤ 20)

(14.5

≤ V

IN ≤

27)

(17.5

≤ V

IN ≤

30)

V

∆V

O

Line Regulation

I

O = 500

mA

Tj = 25˚C

3

50

4

120

4

150

mV

∆V

IN

(7

≤ V

IN ≤ 25)

14.5

≤ V

IN ≤ 30)

(17.5

≤ V

IN ≤

30)

V

0˚C

≤ Tj ≤ +125˚C

50

120

150

mV

∆V

IN

(8

≤ V

IN ≤ 20)

(15

≤ V

IN ≤ 27)

(18.5

≤ V

IN ≤

30)

V

I

O ≤ 1A

Tj = 25˚C

50

120

150

mV

∆V

IN

(7.5

≤ V

IN ≤ 20)

(14.6

≤ V

IN ≤

27)

(17.7

≤ V

IN ≤

30)

V

0˚C

≤ Tj ≤ +125˚C

25

60

75

mV

∆V

IN

(8

≤ V

IN ≤ 12)

(16

≤ V

IN ≤ 22)

(20

≤ V

IN ≤ 26)

V

∆V

O

Load Regulation

Tj = 25˚C

5 mA

≤ I

O ≤ 1.5A

10

50

12

120

12

150

mV

250 mA

≤ I

O ≤

750 mA

25

60

75

mV

5mA

≤ I

O ≤ 1A, 0˚C ≤ Tj ≤

+125˚C

50

120

150

mV

I

Q

Quiescent Current

I

O ≤ 1A

Tj = 25˚C

8

mA

0˚C

≤ Tj ≤ +125˚C

8.5

mA

∆I

Q

Quiescent Current

5 mA

≤ I

O ≤ 1A

0.5

mA

Change

Tj = 25˚C, I

O ≤ 1A

1.0

mA

V

MIN ≤ VIN ≤ VMAX

(7.5

≤ V

IN ≤ 20)

(14.8

≤ V

IN≤ 27)

(17.9

≤ V

IN ≤

30)

V

I

O ≤ 500 mA, 0˚C ≤ Tj ≤ +125˚C

1.0

mA

V

MIN ≤ VIN ≤ VMAX

(7

≤ V

IN ≤ 25)

(14.5

≤ V

IN≤ 30)

(17.5

≤ V

IN ≤

30)

V

N

Output Noise

Voltage

T

A =25˚C, 10 Hz ≤ f ≤ 100 kHz

40

75

90

µV

Ripple Rejection

I

O ≤ 1A, Tj = 25˚C

or

62

80

55

72

54

70

dB

f = 120 Hz

I

O ≤ 500 mA

62

55

54

dB

0˚C

≤ Tj ≤ +125˚C

V

MIN ≤ VIN ≤ VMAX

(8

≤ V

IN ≤ 18)

(15

≤ V

IN ≤ 25)

(18.5

≤ V

IN ≤

28.5)

V

R

O

Dropout Voltage

Tj = 25˚C, I

OUT = 1A

2.0

V

Output Resistance

f = 1 kHz

8

18

19

m

Ω

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