CL325(2007) 데이터 시트보기 (PDF) - Supertex Inc

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CL325
(Rev.:2007)

3-Channel 25mA Linear LED Driver

Supertex Inc 

Higher LED Current

VLL

CL325

Host

Controller

CIN

100nF

8

VIN

REG VDD

1 EN1

2 EN2

3 EN3

7

OUT1

6

OUT2

5

OUT3

GND

4

CL325

By paralleling outputs, higher LED currents can be achieved. In addition, linear dimming in 3 discrete steps may be obtained

by enabling 1, 2, or 3 outputs.

Lowering CL325 Power Dissipation: Separate VIN Supply

VLL

Host

Controller

VIN

CIN

100nF

8

VIN

REG VDD

1 EN1

2 EN2

3 EN3

7

OUT1

6

OUT2

5

OUT3

GND

CL325

4

CL325 power dissipation may be lowered by supplying the CL325 from a voltage source (VIN) that is lower in voltage than

the LED supply (VLL).

5

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