AL1665 Universal Commercial Dimmable LED Controller
05/01/2019
Diodes Incorporated AL1665 is a universal high-current precision, single-stage fly back and buck-boost controller.It uses a primary side regulation (PSR) control method that provides accurate constant current (CC) regulation without the need for optocouplers and auxiliary control circuitry. It operates in BCM mode, maintaining beneficial EMI and efficiency. It also maintains high PF and low THD over a wide input voltage range. The AL1665 supports 0 V to 10 V analog dimming applications, direct PWM dimming and 0 V to 2.5 V analog dimming mode. The AL1665 has low startup current and low operating current. The AL1665 integrates full protection to make LED drivers more reliable. It is packaged in SO-8.
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