Datasheet > UL82BL-T92-B

UL82BL-T92-B

更新时间： 2024-11-11 00:55:31

品牌	Logo	应用领域
友顺 - UTC		驱动接口集成电路
页数	文件大小	规格书
12页	393K
描述
NON ISOLATED BUCK CONSTANT CURRENT LED DRIVER IC

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技术参数
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UL82BL-T92-B 技术参数

生命周期：	Active	包装说明：	,
Reach Compliance Code：	unknown	风险等级：	5.57
接口集成电路类型：	LED DISPLAY DRIVER	Base Number Matches：	1

UL82BL-T92-B 数据手册

UNISONIC TECHNOLOGIES CO., LTD

UL82B

Preliminary

LINEAR INTEGRATED CIRCUIT

NON ISOLATED BUCK

CONSTANT CURRENT LED

DRIVER IC

SOT-23-3

SOT-23

(JEDEC TO-236)

(JEDEC SC-59)



DESCRIPTION

UL82B 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.

UL82B 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.

HSOP-8

SOT-89

UL82B chip with high precision current sampling circuit, while

the use of patented constant current control technology to achieve

high accuracy of the LED constant current output and excellent line

voltage regulator. The chip operates in the critical mode of inductor

current and the output current is not changed with the increase of

the inductance and the working voltage of LED.

TO-92

UL82B has a variety of protection features, including LED short

circuit protection, under voltage protection, over temperature

adjustment function and so on.



FEATURES

* 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

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