By Diodes Incorporated 89
The AL1672 from Diodes Incorporated is a high-performance, single-stage buck converter, targeting dimmable LED lighting applications. It operates at BCM mode, which results in good EMI and efficiency. The AL1672 can support multiple dimming modes. When a 0.3 VDC to 2.4 VDC signal is applied on the APWM pin, the device will operate in analog dimming mode. When a digital signal is applied on the APWM pin, the device works at PWM dimming mode. The AL1672 features low start-up current and low operation current. It integrates multiple protections, including overvoltage, short circuit, overcurrent, and overtemperature protection. It also integrates a 600 V/4 A high-voltage MOSFET. The AL1672 is available in an SO-8EP package.
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