LM317 datasheet(3/12 Pages) ONSEMI

Il numero della parte	LM317

Spiegazioni elettronici	1.5 A Adjustable Output, Positive Voltage Regulator

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Produttore elettronici	ONSEMI [ON Semiconductor]

Homepage	http://www.onsemi.com

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LM317

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Representative Schematic Diagram

This device contains 29 active transistors.

31

0

310

230

120

5.6k

Vin

170

6.3V

160

12k

5.0pF

6.8k

13k

6.3V

105

4.0

0.1

Vout

Adjust

12.5k

2.4k

30

pF

30

pF

6.3V

125k

135

190

12.4k

3.6k 5.8k 110

5.1k

6.7k

510

200

Figure 1. Line Regulation and

∆IAdj/Line Test Circuit

*Pulse testing required.

* 1% Duty Cycle

* is suggested.

*

VCC

VIH

VIL

Vin

Vout

RL

+

1.0 µF

CO

240

1%

R1

Adjust

R2

1%

Cin

0.1 µF

IAdj

LM317

LineRegulation(% V) +

|VOH VOL|

|VOL|

x100

VOH

VOL

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