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21-Watt Universal AC LED Driver Demoboard with Accurate Average-Mode Constant Current Control

Part Number: HV9961DB1

Summary:

The HV9961 demoboard is a high-brightness LED driver employing average-mode constant current control scheme. The power conversion stage of the HV9961DB1 consists of a diode bridge rectifier followed by a buck converter operating with fixed off-time of 20μs.  The HV9961DB1 LED driver features tight regulation of the LED current within a few milliamps over the entire range of the input AC

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6/25/2014
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Summary

The HV9961 demoboard is a high-brightness LED driver employing average-mode constant current control scheme. The power conversion stage of the HV9961DB1 consists of a diode bridge rectifier followed by a buck converter operating with fixed off-time of 20μs.  The HV9961DB1 LED driver features tight regulation of the LED current within a few milliamps over the entire range of the input AC line and the output LED string voltage.