CL325SG-G(2007) 데이터 시트보기 (PDF) - Supertex Inc

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CL325SG-G
(Rev.:2007)

3-Channel 25mA Linear LED Driver

Supertex Inc 

CL325

Lowering CL325 Power Dissipation: Dropping Resistor

Host

Controller

VLL

RDROP

CIN

100nF

8

VIN

REG VDD

1 EN1

2 EN2

3 EN3

7

OUT1

CL325

6

OUT2

GND

4

5

OUT3

RDROP < VLL(MIN) - 6.5V

2.3mA

where: RDROP = Dropping resistance

VLL(MIN) = minimum supply voltage

Lowering CL325 Power Dissipation: Zener Diode

Host

Controller

VLL

ZDROP

CIN

100nF

8

VIN

REG VDD

1 EN1

2 EN2

3 EN3

7

OUT1

6

OUT2

5

OUT3

VZ < (VLL(MIN) - 6.5V)

where: VZ = Zener Voltage

VLL(MIN) = minimum supply voltage

GND

CL325

4

6

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