LED news and insight from our technology editor Steve Bush, who has been messing with LED lighting for more years than he would care to remember.
Site update: Power LED driver works from 8 to 450V
Supertex has introduced a power LED driver that works from 8-450V, requiring only one external mosfet and a handful of passives, writes our Technology Editor, Steve Bush. Dubbed HV9961, it provides current accuracy of +/-3% and requires no loop compensation or high-side current sensing because of Supertex’ proprietary average-mode control scheme.
The IC features hiccup-mode LED short-circuit protection and both linear and PWM dimming.
Read the full article – Supertex power LED driver works from 8 to 450VTags: accuracy, current sensing, driver works, mosfet, steve bush