Supertex inc.
HV9911DB1
High Brightness Boost LED Driver Demoboard
with 1:3000 Dimming Ratio and Excellent Current Regulation
General Description
The HV9911DB1 is an LED driver capable of driving up to 20
one-watt LEDs in series from an input of 21 - 27VDC. The
demoboard uses Supertex’s HV9911 in a boost topology.
The converter has a very good initial regulation (+/-5%) and
excellent line and load regulation over the entire input and
output voltage range (
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