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UL82A Datasheet Preview

UL82A Datasheet

NON ISOLATED BUCK CONSTANT CURRENT LED DRIVER

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UNISONIC TECHNOLOGIES CO., LTD
UL82A
Advance
NON ISOLATED BUCK
CONSTANT CURRENT LED
DRIVER IC
DESCRIPTION
UL82A 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.
UL82A 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.
UL82A 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.
UL82A has a variety of protection features, including LED short
circuit protection, under voltage protection, over temperature
adjustment function and so on.
3
2
1
SOT-23-3
(JEDEC TO-236)
1
SOT-89
1
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
CMOS IC
3
2
1
SOT-23
(JEDEC SC-59)
SOP-8
TO-92
www.unisonic.com.tw
Copyright © 2019 Unisonic Technologies Co., Ltd
1 of 12
QW-R125-044.e




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UL82A Datasheet Preview

UL82A Datasheet

NON ISOLATED BUCK CONSTANT CURRENT LED DRIVER

No Preview Available !

UL82A
Advance
ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
UL82AL-AB3-R
UL82AG-AB3-R
UL82AL-AE2-R
UL82AG-AE2-R
UL82AL-AE3-R
UL82AG-AE3-R
UL82AL-SH2-R
UL82AG-SH2-R
UL82AL-T92-B
UL82AG-T92-B
UL82AL-T92-K
UL82AG-T92-K
Package
SOT-89
SOT-23-3
SOT-23
SOP-8
TO-92
TO-92
CMOS IC
Packing
Tape Reel
Tape Reel
Tape Reel
Tape Reel
Tape Box
Bulk
UL82AG-AE2-R
(1)Packing Type
(2)Package Type
(3)Green Package
(1) R: Tape Reel, B: Tape Box, K: Bulk
(2) AB3: SOT-89, AE2: SOT-23-3, AE3: SOT-23,
SH2: SOP-8, T92: TO-92
(3) G: Halogen Free and Lead Free, L: Lead Free
MARKING
SOT-23-3 / SOT-23
3
UL82A
12
SOP-8
87 6 5
UTC
UL82A
Date Code
1 2 34
Lot Code
SOT-89
Date Code
UL82A
123
TO-92
UTC
UL82A
1
L: Lead Free
G: Halogen Free
Date Code
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2 of 12
QW-R125-044.e


Part Number UL82A
Description NON ISOLATED BUCK CONSTANT CURRENT LED DRIVER
Maker UTC
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