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AL1665 - HIGH PERFORMANCE DIMMABLE LED CONTROLLER

Datasheet Summary

Description

The AL1665 is a high-performance single-stage flyback and buckboost controller, targeting dimmable LED lighting application.

It is a primary side regulation (PSR) controller that can provide accurate constant current (CC) regulation without optocoupler and secondary control circuitry.

Features

  • It integrates multiple protections including undervoltage lockout (UVLO), output overvoltage (OVP), output short circuit (OSP), overcurrent protection (OCP), winding short circuit, secondary diode short, internal thermal foldback (TFP), and overtemperature protection (OTP). The AL1665 is available in SO-8 (Standard) package. Pin Assignments (Top View) ADIM 1 NTC/PWM 2 COMP 3 CS 4 8 FB 7 VCC 6 OUT 5 GND SO-8 (Standard) Features.

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Datasheet Details

Part number AL1665
Manufacturer DIODES
File Size 831.38 KB
Description HIGH PERFORMANCE DIMMABLE LED CONTROLLER
Datasheet download datasheet AL1665 Datasheet
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Full PDF Text Transcription

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AL1665 HIGH PERFORMANCE DIMMABLE LED CONTROLLER Description The AL1665 is a high-performance single-stage flyback and buckboost controller, targeting dimmable LED lighting application. It is a primary side regulation (PSR) controller that can provide accurate constant current (CC) regulation without optocoupler and secondary control circuitry. It can be operated at BCM mode, which results in low EMI and high efficiency, and keeps high power factor (PF) and low total harmonic distortion (THD) under universal input voltage. The AL1665 can support analog/PWM dimming modes. When a 50mV to 2.5V DC signal is applied on ADIM pin, the device is operated in analog dimming mode. The analog dimming range is 5% to 100%.
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