LM3402 datasheet(10/18 Pages) NSC

部品番号	LM3402

部品情報	LM3402/LM3404 Fast Dimming and True Constant LED Current Evaluation Board

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メーカー	NSC [National Semiconductor (TI)]

ホームページ	http://www.national.com

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10 / 18 page

Example 3 Average LED Current

V

IN (V)

V

OUT (V)

I

F (A)

Three Series LEDs

36

10.4

0.511

48

10.4

0.511

60

10.4

0.511

Four Series LEDs

36

13.8

0.500

48

13.8

0.500

V

IN (V)

V

OUT (V)

I

F (A)

Three Series LEDs

60

13.8

0.500

Five Series LEDs

36

17.2

0.489

48

17.2

0.489

60

17.2

0.489

In this application you can see that there is a difference of 22

mA between the low and high of the average LED current.

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同様の部品番号 - LM3402

メーカー	部品番号	データシート	部品情報
National Semiconductor ...	LM3402	844Kb / 22P	0.5A Constant Current Buck Regulator for Driving High Power LEDs
Texas Instruments	LM3402	570Kb / 30P	[Old version datasheet] LM3402/LM3402HV 0.5A Constant Current Buck Regulator for Driving High Power LEDs
	LM3402	1Mb / 38P	[Old version datasheet] 0.5A Constant Current Buck Regulator for Driving High Power LEDs
	LM3402	1Mb / 36P	[Old version datasheet] 0.5A Constant Current Buck Regulator for Driving High Power LEDs
	LM3402	1Mb / 39P	[Old version datasheet] 0.5A Constant Current Buck Regulator

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