LM7815 datasheet(2/6 Pages) ETC

Part #	LM7815

Description	3 TERMINAL 1A NEGATIVE VOLTAGE REGULATOR

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LM79XX

LINEAR INTEGRATED CIRCUIT

2

ABSOLUTE MAXIMUM RATINGS(Ta=25 C)

PARAMETER

SYMBOL

VALUE

UNIT

Input voltage

Vi

-35

V

Thermal resistance

junction-air

R q JA

65

C /W

Thermal resistance

junction-cases

R q JC

5C /W

Operating Temperature

Topr

0 ~ +125

C

Storage Temperature

Tstg

-65 ~ +150

C

Contek7905 ELECTRICAL CHARACTERISTICS

(Refer to test circuits, 0<Tj<125 C,Io=500mA,Vi=-10V,Ci=33uF,Co=1uF, unless otherwise specified)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Tj=25 C

-4.8

-5.0

-5.2

V

Output voltage

Vo

5.0mA<Io<1.0A,Po<15W

Vi=-7V to -20V

-4.75

-5.00

-5.25

V

Line regulation

DVo

Tj=25 C,Vi=-7V to -25V

10

100

mV

Tj=25 C,Vi=-8V to -12V

mV

Load regulation

DVo

Tj=25 C,Io=5.0mA to 1.5A

10

100

mV

Tj=25 C,Io=250mA to 750mA

350

mV

Quiescent current

IQ

Tj=25 C

36

mA

Quiescent current change

DIQ

Io=5mA to 1.0A

0.05

0.5

mA

Vi=-7V to -25V

0.1

1.3

mA

Output voltage drift

DVo/DT

Io=5mA

-0.4

mV/ C

Output noise voltage

VN

f=10hz to 100kHz,Ta=25 C

100

mV

Ripple rejection

RR

f=120Hz, Vi=-8V to -18V

54

60

dB

Dropout voltage

Vo

Io=1.0A,Tj=25 C

2V

Short circuit current

Isc

Vi=-35V,Ta=25 C

300

mA

peak current

Ipk

Tj=25 C

2.2

A

Contek7906 ELECTRICAL CHARACTERISTICS

(Refer to test circuits, 0<Tj<125 C,Io=500mA,Vi=-11V,Ci=2.2uF,Co=1uF,unless otherwise specified)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Tj=25 C

-5.75

-6.00

6-.25

V

Output voltage

Vo

5.0mA<Io<1.0A,Po<15W

Vi=-8V to -21V

-5.7

-6.0

-6.3

V

Line regulation

DVo

Tj=25 C,Vi=-8V to -25V

10

120

mV

Tj=25 C,Vi=-9V to -13V

560

mV

Load regulation

DVo

Tj=25 C,Io=5.0mA to 1.5A

10

120

mV

Tj=25 C,Io=250mA to 750mA

360

mV

Quiescent current

IQ

Tj=25 C

36

mA

Quiescent current change

DIQ

Io=5mA to 1.0A

0.5

mA

Vi=-8V to -25V

1.3

mA

Output voltage drift

DVo/DT

Io=5mA

-0.5

mV/ C

Output noise voltage

VN

f=10hz to 100kHz,Ta=25 C

130

mV

Ripple rejection

RR

f=120Hz, Vi=-9V to -19V

54

60

dB

Dropout voltage

Vo

Io=1.0A,Tj=25 C

2V

Short circuit current

Isc

Vi=-35V,Ta=25 C

300

mA

peak current

Ipk

Tj=25 C

2.2

A

CONTEK

Contek Microelectronics Co.,Ltd.

http://www.contek-ic.com E-mail:sales@contek-ic.com

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