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LM3444 Datasheet - Texas Instruments

LM3444 - AC-DC Offline LED Driver

The LM3444 is an adaptive constant off-time AC/DC buck (step-down) constant current controller that provides a constant current for illuminating high power LEDs.

The high-frequency capable architecture allows the use of small external passive components.

A passive PFC circuit ensures good power fact

LM3444 Features

* 1 Application Voltage Range: 80 VAC to 277 VAC

* Capable of Controlling LED Currents Greater than 1 A

* Adjustable Switching Frequency

* Low Quiescent Current

* Adaptive Programmable Off-Time Allows for Constant Ripple Current

* Thermal Shutdown

LM3444-etcTI.pdf

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Datasheet Details

Part number:

LM3444

Manufacturer:

Texas Instruments ↗

File Size:

1.41 MB

Description:

Ac-dc offline led driver.

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