LM337 데이터 시트보기 (PDF) - ON Semiconductor

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LM337

1.5 A, Adjustable Output, Negative Voltage Regulator

ON Semiconductor 

75

60k

0

4.0k

1.0k

9.6k

270

8.0k

600

2.9k

4.0k

LM337

Representative Schematic Diagram

100

60

2.0k

2.5k

810

21k

100k

800

18k

10k

5.0k

15pF

800

15pF 25pF

220

2.0k

Adjust

Vout

6.0k

100

3.0k

2.2k

18k

30k

100pF

5.0pF

2.0

240 pF 250

20k

5.0k

100k

0.2

15

500

2.4k

155

15

500

0.05

Vin

This device contains 39 active transistors.

R2 1%

Cin 1.0 µF

+

IAdj

CO 1.0 µF

*ĂPulse testing required.

ăĂ1% Duty Cycle

ăĂis suggested.

Adjust

R1

120

1%

RL

Vin

Vout

LM337

VIH

VOH

*

VIL

VOL

VEE

LineĂRegulationĂ(%ńV)Ă

+Ă

|VOLćVOH|

|VOH|

xĂ100

Figure 1. Line Regulation and ∆IAdj/Line Test Circuit

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