CL320 데이터 시트보기 (PDF) - Supertex Inc

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CL320

3-Channel 20mA Linear LED Driver

Supertex Inc 

CL320

Load Regulation

1.20

1.00

0.80

0.60

0.40

0.20

00

scale change

5

10 15 20 40 60 80 100

VOUT (V)

Pin Description

Pin #

1,2,3

4

5,6,7

8

Name

Description

EN1, EN2,

EN3

Output enable, active low.

GND

Circuit common.

OUT1, OUT2,

OUT3

Constant current output (sinking). Connect the cathodes of the LEDs to these pins.

VIN

Supply voltage. 6.5V to 90V. Bypass locally with a 100nF capacitor to ground.

Underside

Plate

GND

The exposed underside plate is internally connected to the GND pin. The plate may either

be left floating or connected to ground. Solder the plate to an exposed copper area on the

PCB for heatsinking purposes (see recommended layout).

Recommended PCB Layout

1cm2 exposed copper

1cm2 exposed copper

Underside plate soldered

to copper area

Exposed copper area

may be plated

4

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