LM317MDT datasheet(4/13 Pages) ONSEMI

部件名	LM317MDT

功能描述	500 mA Adjustable Output, Positive Voltage Regulator

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制造商	ONSEMI [ON Semiconductor]

网页	http://www.onsemi.com

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4 / 13 page

LM317M

http://onsemi.com

4

Figure 2. Representative Schematic Diagram

18k

6.8V

350

300

3.0k

300

70

200k

1.25

60

50

130

8.67k

500

400

2.4k

12.8k

Vout

5.1k

6.3V

2.0k

6.0k

Adjust

Vin

180

10

pF

10

pF

*Pulse Testing Required:

1% Duty Cycle is suggested.

Line Regulation (%/V) =

VOH − VOL

x 100

*

VCC

VIH

VIL

Vin

Vout

VOH

VOL

RL

+

1.0

mF

CO

240

1%

R1

Adjust

R2

1%

Cin

0.1

mF

LM317M

IAdj

Figure 3. Line Regulation and

DIAdj/Line Test Circuit

VOL

类似零件编号 - LM317MDT

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National Semiconductor ...	LM317MDT	645Kb / 25P	3-Terminal Adjustable Regulator
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STMicroelectronics	LM317MDT	115Kb / 11P	MEDIUM CURRENT 1.2 TO 37V ADJUSTABLE VOLTAGE REGULATOR September 1997
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