AL8807B Datasheet PDF - Diodes HIGH EFFICIENCY 36V 1.3A PWM DIMMABLE BUCK LED DRIVER Specs

AL8807B - HIGH EFFICIENCY 36V 1.3A PWM DIMMABLE BUCK LED DRIVER

Datasheet Summary

Description

The AL8807B is a step-down DC/DC converter designed to drive LEDs with a constant current.

The device can drive up to 9 LEDs, depending on the forward voltage of the LEDs, in series from a voltage source of 6V to 36V.

Features

LED driving current up to 1.3A.
Better than 5% accuracy.
High efficiency up to 96%.
Optimally controlled switching speeds.
Operating input voltage from 6V to 36V.
PWM input for dimming control.
Open-Circuit LED protection.
LED Chain Short Circuited.
Over-Temperature Protection.
MSOP-8EP Available in “Green” Molding Compound (No Br, Sb) with lead Free Finish/ RoHS Compliant.
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2).
Haloge.

Datasheet Details

Part number	AL8807B
Manufacturer	DIODES
File Size	4.01 MB
Description	HIGH EFFICIENCY 36V 1.3A PWM DIMMABLE BUCK LED DRIVER
Datasheet	AL8807B Datasheet
Additional preview pages of the AL8807B datasheet.

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Full PDF Text Transcription

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NEW PRODUCT AL8807B HIGH EFFICIENCY 36V 1.3A PWM DIMMABLE BUCK LED DRIVER Description The AL8807B is a step-down DC/DC converter designed to drive LEDs with a constant current. The device can drive up to 9 LEDs, depending on the forward voltage of the LEDs, in series from a voltage source of 6V to 36V. Series connection of the LEDs provides identical LED currents resulting in uniform brightness and eliminating the need for ballast resistors. The AL8807B switches at frequency up to 1MHz with controlled rise and fall times to reduce EMI. This allows the use of small size external components, hence minimizing the PCB area needed. Maximum output current of AL8807B is set via an external resistor connected between the VIN and SET input pins.

Published: Mar 22, 2014 |