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CL330 Fiches technique(PDF) 6 Page - Supertex, Inc

No de pièce CL330
Description  3-Channel 30mA Linear LED Driver
PDF  7 Pages
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Fabricant  SUTEX [Supertex, Inc]
Site Internet  http://www.supertex.com
Logo SUTEX - Supertex, Inc

CL330 Fiches technique(HTML) 6 Page - Supertex, Inc

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CL330
● 1235 Bordeaux Drive, Sunnyvale, CA 94089 ● Tel: 408-222-8888 ● www.supertex.com
Lowering CL330 Power Dissipation: Zener Diode
EN1
EN2
EN3
OUT1
OUT2
OUT3
GND
VDD
CL330
REG
VIN
Host
Controller
1
2
3
8
7
6
5
4
VLL
ZDROP
VZ < (VLL(MIN) - 6.5V)
where: VZ = Zener Voltage
VLL(MIN) = minimum supply voltage
CIN
100nF
Pin Description
Pin #
Name
Description
1
EN1
Output enable, active low.
2
EN2
3
EN3
4
GND
Circuit common.
5
OUT3
Constant current output (sinking). Connect the cathodes of the LEDs to these pins.
6
OUT2
7
OUT1
8
VIN
Supply voltage. 6.5 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).



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