LM317L datasheet(2/8 Pages) FAIRCHILD

Il numero della parte	LM317L

Spiegazioni elettronici	3-Terminal 0.1A Positive Adjustable Regulator

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LM317L

2

Absolute Maximum Ratings

Electrical Characteristics

(VI - VO = 5V, IO = 40mA, 0

°C ≤ TJ ≤ +125°C, PDMAX = 625mW, unless otherwise specified)

• 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 cycle is used.

Parameter

Symbol

Value

Unit

Input-Output Voltage Differential

VI - VO

40

V

Power Dissipation

PD

Internally limited

W

Operating Junction Temperature Range

Tj

0 ~ +125

°C

Storage Temperature Range

TSTG

-65 ~+125

°C

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Unit

*Line Regulation

Rline

TA = +25

°C

3V

≤ VI − VO ≤ 40V

-0.01

0.04

%/V

3V

≤ VI − VO ≤ 40V

-

0.02

0.07

*Load Regulation

Rloal

TA = +25

°C

10mA

≤ IO ≤100mA

VO

≤ 5V

VO

≥5V

-

5

0.1

25

0.5

mV

%/ VO

10mA

≤ IO ≤ 100mA

VO

≤ 5V

VO

≥ 5V

-20

0.3

70

1.5

mV

%/ VO

Adjustment Pin Current

IADJ

-

50

100

µA

Adjustment Pin Current Change

∆IADJ

3V

≤ VI - VO ≤ 40V

10mA

≤ IO ≤ 100mA

PD

< PDMAX

-

0.2

5

µA

Reference Voltage

VREF

3V

< VI - VO <40V

10mA

≤ IO ≤100mA

PD

≤ PDMAX

1.20

1.25

1.30

V

Temperature Stability

STT

-

-0.7

-

%

Minimum Load Current to

Maintain Regulation

IL(MIN)

VI - VO = 40V

-

3.5

10

mA

Maximum output Current

IO(MAX)

VI - VO

≤ 15V, PD < PDMAX

100

200

-

mA

VI - VO

≤ 40V

PD

< PDMAX, TA = +25°C

25

50

-

RMS Noise,

% of VOUT

eN

TA =+ 25

°C, 10Hz < f <10KHz

-

0.003

-

%/ VO

Ripple Rejection

RR

VO = 10V, f = 120Hz

without CADJ

CADJ = 10uF

66

65

80

-dB

Long-Term Stability

ST

TJ = +125

°C, 1000 Hours

-

0.3

-

%

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