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AL1673 - UNIVERSAL FLYBACK AND BUCK-BOOST SINGLE STAGE DIMMABLE LED DRIVER

General Description

The AL1673 is a high performance single stage Flyback/Buck-Boost converter, targeting dimmable LED lighting application.

It is operating at BCM mode which results in good EMI and efficiency.

The AL1673 can support multiple dimming modes.

Key Features

  • low start-up current and low operation current. It integrates multiple protections including over voltage, short circuit, over current and over temperature protection. It also integrates 600V/2A high voltage MOSFET. (Top View) CS 1 GND 2 DRAIN 3 DRAIN 4 8 COMP 7 APWM EP 6 FB 5 VCC SO-8EP The AL1673 is available in SO-8EP package.

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Datasheet Details

Part number AL1673
Manufacturer Diodes Incorporated
File Size 634.81 KB
Description UNIVERSAL FLYBACK AND BUCK-BOOST SINGLE STAGE DIMMABLE LED DRIVER
Datasheet download datasheet AL1673 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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NOT RECOMMENDED FOR NEW DESIGN NO ALTERNATIVE AL1673 UNIVERSAL FLYBACK AND BUCK-BOOST SINGLE STAGE DIMMABLE LED DRIVER Description Pin Assignments The AL1673 is a high performance single stage Flyback/Buck-Boost converter, targeting dimmable LED lighting application. It is operating at BCM mode which results in good EMI and efficiency. The AL1673 can support multiple dimming modes. When a 0.3~2.4V DC signal is applied on APWM pin, the device will operate in analog dimming mode. When a digital signal is applied on APWM pin, the device works at PWM dimming mode. The AL1673 features low start-up current and low operation current. It integrates multiple protections including over voltage, short circuit, over current and over temperature protection.