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IC-Hersteller Diodes Incorporated

Diodes Incorporated AL8806 | Demoboard AL8806EV6

AL8806EV6 USER GUIDE

Details

TopologieAbwärtswandler
Eingangsspannung12 V
Ausgang 11.12 A
IC-RevisionIssue 1

Beschreibung

This evaluation circuit demonstrates theAL8806 High Efficiency 30V 1.5A Buck LEDDriver operating in a circuit providing 1.1ALED current in MR16 form intended to drive 1to 3 high brightness LEDs in series with a totalload voltage drop up to 10V. The circuitincludes a 470μF reservoir capacitor toprevent flicker for 50Hz or 60Hz AC inputpower. EMC filtering is included to meetinternational standards including the radiatedemission requirements of EN55015 andEN55022 Class B.The switching frequency is approximately440kHz when driving 2 Osram DragonDiamond LEDs.The construction uses a double-sided FR4printed circuit board, 17 x 20 x 0.8 mm with2oz/sq ft copper (70μm). Components aremounted on both sides.

Eigenschaften

  • 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

Weiterführende Informationen

Artikeldaten

Artikel Nr. Daten­blatt Simu­lation Downloads ProduktserieL
(µH)
IR
(A)
ISAT
(A)
RDC typ.
(mΩ)
RDC max.
(mΩ)
fres
(MHz)
BauformVersion Muster
744777115SPEC
9 Dateien WE-PD SMT-Speicherdrossel 15 1.6 2.2 70 81 19.5 7345 Standard
Artikel Nr. Daten­blatt Simu­lation
744777115SPEC
Muster
Artikel Nr. Daten­blatt Simu­lation Downloads ProduktserieL
(µH)
IR
(A)
ISAT
(A)
RDC typ.
(mΩ)
RDC max.
(mΩ)
fres
(MHz)
BauformVersion Muster