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CL330 Datasheet(PDF) 1 Page - Supertex, Inc

Part # CL330
Description  3-Channel 30mA Linear LED Driver
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Manufacturer  SUTEX [Supertex, Inc]
Direct Link  http://www.supertex.com
Logo SUTEX - Supertex, Inc

CL330 Datasheet(HTML) 1 Page - Supertex, Inc

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1235 Bordeaux Drive, Sunnyvale, CA 94089 Tel: 408-222-8888 www.supertex.com
CL330
General Description
The CL330 is designed to drive 3 strings of LEDs at a
constant current of 30mA.
Other drivers with currents in the range of 20 - 30mA are
available. The drive current is fixed, with a ±6% tolerance
over a V
OUT range of 4.0 - 15V.
Separate enable pins for each channel allow for PWM
dimming, 3-step linear dimming, or individual disconnection
of faulty LED strings.
Over-temperature protection circuitry shuts down all 3
channels when the nominal die temperature reaches 135°C.
Normal operation resumes when the die temperature drops
by 30°C.
The CL330 is available in the 8-Lead SOIC (w/Heat Slug)
package and requires a single ceramic bypass capacitor
which may be shared among several drivers.
Block Diagram and Typical Application Circuit
3-Channel 30mA Linear LED Driver
Features
±6.0% current accuracy @ 4.0 -15V
90V standoff voltage
Separate enable pins for each channel allow for
PWM dimming
Over-temperature protection
8-Lead SOIC (w/Heat Slug) package
Applications
LCD backlighting
Indicator lamps
EN1
EN2
EN3
OUT1
OUT2
OUT3
GND
VDD
6.5 - 90V
CL330
REG
VIN
Host
Controller
1
2
3
8
7
6
5
4
CIN
100nF


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