VLSL3-DU - Vishay Semiconductor Opto Division

VLSL3-DU

www.vishay.com Vishay Semiconductors

Rev. 1.0, 22-Mar-10 1Document Number: 83302

For technical questions, contact: LED@vishay.com

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

2 x 24 W LED Driver Board Slight for VLSL30, VLSL31

DESCRIPTION

Using automotive qualified components, the 2 x 24 W LED

driver board slight provides a highly reliable and efficient

driving solution.

FEATURES

• 10.5 V to 14 VIN, output module power up to 56 W

• Reverse polarity protection

• Boost regulated constant current sources (up to

8 channel, 6 LEDs)

• Closed loop regulated current control, automatic

regulated constant current if single string gets open circuit

•12 V

DC input with undervoltage and overvoltage control,

load dump protected

• Operating temperature: - 40 °C to + 105 °C

• Ambient light sensor for automatic dimming (25 %, 50 %,

100 %), or free programmable on request

• PWM dimming via RFC/RTC controller (adaptable unit

with RF antenna)

TOPOLOGY

22075

PARTS TABLE

PART FOR

VLSL3-DU VLSL30, VLSL31

22076

UIN

Reverse

polarity

protection

DC/DC

Boost

converter

max. 24 V

Ambient

light

sensor

µC

Isense1 Isense2 Isense3 Isense4

On/Off

PWM

Isense1 Isense2 Isense3 Isense4

Isense5 Isense6 Isense7 Isense8

U max.U max.

VLSL3-DU

www.vishay.com Vishay Semiconductors

Rev. 1.0, 22-Mar-10 2Document Number: 83302

For technical questions, contact: LED@vishay.com

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

EFFICIENCY

TERMINAL PLAN

20 30 40 50 60 70 80 90 100 110

Dimming Level (%)

Efficiency Factor (%)

22077

12 V +

12 V -

12 V +

12 V -

DC AC

230 V

Anode green

Cathode yellow

Anode brown

Cathode blue

Not connected

Sensor cathode black

Sensor anode white

12 V DC- black

12 V DC+ red

12 V DC- black

12 V DC+ red

Terminal clamps Supply voltage

Electronic parts

LED driver module

22096

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www.vishay.com Vishay

Revision: 02-Oct-12 1Document Number: 91000

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