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HV9906DB3 - Off-Line PFC Current Source Controller

Key Features

  • passive power factor correction to PF>0.95. The board is optimized for driving a 500mA (700mA max. ) LED array. (Forced cooling or encapsulation is required to achieve an output current higher than 500mA. ) Features.
  • Off-Line Transformerless Power Conversion Power Factor Correction to PF>0.95 Soft Start Low Inrush Current on Start Specification Input Voltage Output Current Output Voltage Power Factor Total AC Line Harmonic Distortion (THD) Efficiency 80 t.

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Datasheet Details

Part number HV9906DB3
Manufacturer Supertex Inc
File Size 200.78 KB
Description Off-Line PFC Current Source Controller
Datasheet download datasheet HV9906DB3 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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HV9906DB3 Off-Line PFC Current Source Controller Introduction The Supertex HV9906DB3 demo board is a power factor corrected (PFC) LED driver using the HV9906 IC. A power converter of the demo board consists of an input buck-boost stage and an output buck stage. The output voltage polarity is negative. Due to its unique quadratic input-to-output DC voltage transfer ratio, the converter can operate directly off AC line to produce low-voltage output without need for electrolytic capacitors. The HV9906 is designed for optimally controlling this type of a power converter or other types of two-stage multi-converters. HV9906DB3 demo board features passive power factor correction to PF>0.95. The board is optimized for driving a 500mA (700mA max.) LED array.