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UL82C - NON ISOLATED BUCK CONSTANT CURRENT LED DRIVER

Datasheet Summary

Description

UL82C 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 CMOS IC 3 2 1 SOT-23 (JEDEC SC-59) HSOP-8 TO-92 www. unis.

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Datasheet preview – UL82C

Datasheet Details

Part number UL82C
Manufacturer UTC
File Size 403.01 KB
Description NON ISOLATED BUCK CONSTANT CURRENT LED DRIVER
Datasheet download datasheet UL82C Datasheet
Additional preview pages of the UL82C datasheet.

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Full PDF Text Transcription

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UNISONIC TECHNOLOGIES CO., LTD UL82C Preliminary NON ISOLATED BUCK CONSTANT CURRENT LED DRIVER IC  DESCRIPTION UL82C 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. UL82C 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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