USL3533G-S08-R datasheet(1/6 Pages) UTC

Teilenummer	USL3533G-S08-R

Bauteilbeschribung	LINEAR INTEGRATED CIRCUIT

PDF	6 Pages

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Hersteller	UTC [Unisonic Technologies]

Direct Link	http://www.utc-ic.com

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UNISONIC TECHNOLOGIES CO., LTD

USL3533

Preliminary

LINEAR INTEGRATED CIRCUIT

www.unisonic.com.tw

1 of 6

QW-R103-100.a

NON-ISOLATED BUCK

OFFLINE LED DRIVER



DESCRIPTION

The UTC USL3533 is a high performance, high precision and

low cost constant current LED driver for non-isolated buck

application. The device operates in critical conduction mode and

is suitable for 85V~265V universal input offline LED lighting. It

operates in critical conduction mode, the output current does not

change with the inductance and LED output voltage.

The UTC USL3533 integrates a 500V power MOSFET. It can

achieve excellent constant current performance with very few

external components, so the system cost and size are minimized.

The UTC USL3533 offers rich protection functions to improve

the system reliability, including LED open circuit protection, LED

short circuit protection, VCC under voltage protection, CS resistor

short circuit protection and thermal regulation function.



FEATURES

* Critical conduction mode operation

* Internal 500V Power MOSFET

* Ultra low operating current

* No auxiliary winding

* ±5% LED output current accuracy

* LED short protection

* LED open protection

* VCC under voltage protection

* Current sensing resistor short protection

* Thermal regulation function

SOP-8



ORDERING INFORMATION

Ordering Number

Package

Packing

USL3533G-S08-R

SOP-8

Tape Reel



MARKING

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