179 datasheet(1/8 Pages) DIODES

Part #	179

Description	12VDC and 12VAC input

PDF	8 Pages

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Manufacturer	DIODES [Diodes Incorporated]

Direct Link	http://www.diodes.com

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1 / 8 page

Issue 1 – June 2011

www.diodes.com

1 of 8

AL8806EV6 USER GUIDE

Performance

•

12VDC and 12VAC input

•

1.1A LED current

•

Drives 1 to 3 LEDs in series

•

2% current regulation 9V to 30VDC

(with 2 LEDs)

•

Ambient temperature range

-40°C to +105°C

Ordering Information

Order Number

AL8806EV6

Introduction

This

evaluation

circuit

demonstrates

the

AL8806 High Efficiency 30V 1.5A Buck LED

Driver operating in a circuit providing 1.1A

LED current in MR16 form intended to drive 1

to 3 high brightness LEDs in series with a total

load voltage drop up to 10V.

The circuit

includes

a

470µF

reservoir

capacitor

to

prevent flicker for 50Hz or 60Hz AC input

power.

EMC filtering is included to meet

international standards including the radiated

emission

requirements

of

EN55015

and

EN55022 Class B.

The switching frequency is approximately

440kHz

when

driving

2

Osram

Dragon

Diamond LEDs.

The construction uses a double-sided FR4

printed circuit board, 17 x 20 x 0.8 mm with

2oz/sq ft copper (70µm).

Components are

mounted on both sides.

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