LM317L datasheet(3/14 Pages) TGS

部件名	LM317L

功能描述	3-TERMINAL ADJUSTABLE REGULATOR

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制造商	TGS [Tiger Electronic Co.,Ltd]

网页	http://www.tgselec.com

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LM317

3/14

ABSOLUTE MAXIMUM RATINGS (Ta=25°C)

Characteristic

Symbol

Min.

Max.

Unit

Input-Output Vo ltage Diff erential

Vi/Ao

-0.3

40

V

Power Dissipation

P D

-

Internally

Limited

W

Operating Junction Temp erature Range

Tj

-25

125

°C

Lead Temp erature (Soldering, 4 seconds)

T L

-

250

°C

Storage Temp erature Range

Ts tg

-55

150

°C

ELECTRI CAL CH ARACTERISTICS (unless otherwise specified: Vi-Vo=5.0V;

Io=40mA; Tj=0~125

°C; Imax=100mA and Pmax=625mW )

Characteristics

Test conditions

Sy mbol Min.

Ty p.

Max.

Unit

Line Regulation

Tj=25 ℃ , I L ≤ 20mA

3V ≤ (V IN -V OUT ) ≤ 40V

Regline

-

0.01

0.05

% /V

Load Regulation

Tj=25 ℃ , 5mA ≤ I OUT ≤ I MAX Regload

-

0.1

0.5

%

Adjustment

Current

-

Iadj

-

50

100

μ A

Adjustment

Current Change

5mA ≤ I L ≤ 100mA

3V ≤ (V IN -V OUT ) ≤ 40V,

P ≤ 625mW

∆ Iadj

-

0.2

6

μ A

Reference Vo ltage

3V ≤ (V IN -V OUT ) ≤ 40V,

5mA ≤ I OUT ≤ 100mA,

P ≤ 625mW

Vr ef

1.15

1.25

1.35

V

Line Regulation

3V ≤ (V IN -V OU T ) ≤ 40V,I ≤

20mA

Regline

-

0.02

0.05

%/V

Load Regulation

5mA ≤ I OUT ≤ 100mA

Regload

-

0.3

1.2

%

Te mp erature

St ability

T MIN ≤ Tj ≤ T MAX

Ts

-

0.65

-

%

(V I N -V OUT ) ≤ 40V

-

3.5

17

Minimu m

Loa d

Current

3V ≤ (V IN -V OUT ) ≤ 15V

I L mi n

1.5

6

mA

3V ≤ (V IN -V OUT ) ≤ 13V

40

200

260

mA

Current Limit

(V IN -V OUT ) =40V

Imax

25

50

70

mA

Rms Noise % of Vo

Tj=25 ℃ , 10Hz ≤ f ≤ 10KHz

N

-

0.003

0.008

%

V OUT =10V, f=120Hz, C ADJ =0

65

80

Ripple Rejection

C ADJ =10 μ F

RR

66

80

dB

Long-Te rm

St ability

Tj=125 ℃ , 1000Hours

S

-

0.3

1

%

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