AL8843Q Datasheet AUTOMOTIVE COMPLIANT 40V 3A STEP-DOWN LED DRIVER

Manufacturer: Diodes Incorporated

AL8843Q automotive compliant 40v 3a step-down led driver by Diodes Incorporated - Datasheet Preview

Datasheet Details

Part number	AL8843Q
Manufacturer	Diodes Incorporated
File Size	1.11 MB
Description	AUTOMOTIVE COMPLIANT 40V 3A STEP-DOWN LED DRIVER
Datasheet	AL8843Q Datasheet

General Description

The AL8843Q is a hysteresis mode DC-DC step-down converter, designed for driving single or multiple series connected LEDs efficiently from a voltage source higher than the LED voltage.

The device can operate from an input supply between 4.5V and 40V and provide an externally adjustable output current up to 3A.

Depending upon supply voltage and external components, this converter can provide up to 60W of output power.

Overview

AL8843Q AUTOMOTIVE COMPLIANT 40V 3A STEP-DOWN LED DRIVER.

Key Features

Qualified to AEC-Q100 Grade 1.
Wide Input Voltage Range: 4.5V to 40V.
Output Current up to 3A.
Internal 40V NDMOS Switch.
Typical 4% Output Current Accuracy.
Single Pin for On/Off and Brightness Control by DC Voltage or PWM Signal.
Recommended Analog Dimming Range: 10% to 100%.
Soft-Start.
High Efficiency (Up to 97%).
LED Short Protection.
Inherent Open-Circuit LED Protection.
Over Temper.

More Datasheets from Diodes Incorporated

Part Number	Description
AL8843	40V 3A STEP-DOWN LED DRIVER
AL8841Q	AUTOMOTIVE 40V 1A/1.5A STEP-DOWN LED DQRIVER
AL8806Q	AUTOMOTIVE GRADE BUCK LED DRIVER
AL8807A	BUCK LED DRIVER
AL8807B	HIGH EFFICIENCY 36V 1.3A PWM DIMMABLE BUCK LED DRIVER
AL8807BQ	AUTOMOTIVE GRADE 30V 1.3A PWM DIMMABLE BUCK LED DRIVER
AL8807Q	HIGH EFFICIENCY LOW 30V 1.3A AUTOMOTIVE GRADE BUCK LED DRIVER
AL8808	COST EFFECTIVE LOW EMI 30V 1A BUCK LED DRIVER
AL8811	Boost/Buck/Inverting DC-DC CONVERTER
AL8812	BOOST/BUCK DC-DC CONVERTER