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UPSSL150 - NON ISOLATED BUCK CONSTANT CURRENT LED DRIVER IC

Description

UPSSL150 is a high precision LED BUCK constant current driver chip.

The chip operates in the inductor current critical continuous mode, which is suitable for the non isolated buck LED constant current power supply with 85Vac~265Vac full range input voltage.

Features

  • S.
  • The integrated 500V power mos.
  • The integrated high voltage power supply function.
  • The inductor current critical continuous mode.
  • Without auxiliary winding detection and power supply.
  • The wide voltage input voltage.
  • ±5% LED output current accuracy.
  • The LED short circuit and open circuit protection.
  • The chip power supply under voltage protection.
  • The regulating function of overheating www. unisonic. com. tw Copyright © 2016 Unisonic Technologie.

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Full PDF Text Transcription

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UNISONIC TECHNOLOGIES CO., LTD UPSSL150 Preliminary NON ISOLATED BUCK CONSTANT CURRENT LED DRIVER IC  DESCRIPTION UPSSL150 is a high precision LED BUCK constant current driver chip. The chip operates in the inductor current critical continuous mode, which is suitable for the non isolated buck LED constant current power supply with 85Vac~265Vac full range input voltage. UPSSL150 chip integrated 500V power switch by patent demagnetization detection technology and high voltage power supply technology, without detection and power supply for auxiliary winding, the peripheral devices are more simple, saving the cost and volume of the system.
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