LM7805 datasheet(6/28 Pages) FAIRCHILD

No de pièce	LM7805

Description	3-TERMINAL 1A POSITIVE VOLTAGE REGULATORS

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Fabricant	FAIRCHILD [Fairchild Semiconductor]

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LM78XX (KA78XX, MC78XX) FIXED VOLTAGE REGULATOR (POSITIVE)

LM7810/I/R/RI ELECTRICAL CHARACTERISTICS

(Refer to test circuit, TMIN <TJ <TMAX, IO= 500mA, VI =16V, CI = 0.33

µF, C

O= 0.1

µF, unless otherwise specified)

* TMIN <TJ <TMAX

LM78XXI/RI: TMIN= - 40

°C, T

MAX = +125

°C

LM78XX/R: TMIN= 0

°C, T

MAX= +125

°C

* Load and line regulation are specified at constant, junction temperature. Change in VO due to heating effects must be taken

into account separately. Pulse testing with low duty is used.

LM7810I

LM7810

Min Typ

Max

Min Typ

Max

TJ =+25

°C

9.6

10

10.4

9.6

10

10.4

Output Voltage

VO

5.0mA

≤ I

O

≤1.0A, P

D

≤15W

VI = 12.5V to 25V

VI= 13.5V to 25V

9.5

10

10.5

9.5

10

10.5

V

VI = 12.5V to 25V

10

200

10

200

VI = 13V to 25V

3

100

3

100

IO = 5mA to 1.5A

12

200

12

200

IO = 250mA to 750mA

4

400

4

400

Quiescent Current

IQ

TJ =+25

°C

5.1

8

5.1

8

mA

IO = 5mA to 1.0A

0.5

Quiescent Current Change

∆I

Q

VI = 12.5V to 29V

1.0

mA

VI = 13.5V to 29V

1.0

Output Voltage Drift

∆V

O/

∆T IO = 5mA

-1

mV/

°C

Output Noise Voltage

VN

f = 10Hz to 100Khz, TA =+25

°C

58

µV/Vo

Ripple

Rejection

RR

f = 120Hz

VI = 13V to 23V

56

71

56

71

dB

Dropout Voltage

VD

IO = 1A, TJ=+25

°C

2

V

Output Resistance

RO

f = 1KHz

17

m

Ω

Short Circuit Current

ISC

VI = 35V, TA=+25

°C

250

mA

Peak Current

IPK

TJ =+25

°C

2.2

A

Unit

Line Regulation

∆V

O

∆V

O

TJ =+25

°C

TJ =+25

°C

Load Regulation

Characteristic

Symbol

Test Conditions

mV

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