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ETA1627 - 40V LED Driver

Description

The ETA1627 is a driver specially designed for back-lighting.

It consists of a high accuracy current sink that allows low duty dimming and a high efficiency step-up converter with an integrated 40V power MOSEFT.

Features

  • of ETA1627 is that it provides an accurate current at dimming duty cycle down to 0.1%. This is very important for backlights that need to dim to very low light while still providing good consistency. For maximum protection, the ETA1627 has an internal OVP protection at 38V to prevent the chip from damages when the LED string is not connected to the output. ETA1627 is available in a space-saving SOT23-6 package.

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Datasheet preview – ETA1627

Datasheet Details

Part number ETA1627
Manufacturer ETA
File Size 735.62 KB
Description 40V LED Driver
Datasheet download datasheet ETA1627 Datasheet
Additional preview pages of the ETA1627 datasheet.

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Full PDF Text Transcription

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ETA1627 40V LED Driver with 0.1% Dimming Accuracy DESCRIPTION The ETA1627 is a driver specially designed for back-lighting. It consists of a high accuracy current sink that allows low duty dimming and a high efficiency step-up converter with an integrated 40V power MOSEFT. It runs with an optimal 0.8MHz frequency that enables use of small external components while still providing best efficiencies. It has an internal current limit as high as 1A, and it can drive up to 10 LEDs and 50mA in total output current. True PWM-Dimming can be achieved through the EN. One of the most important features of ETA1627 is that it provides an accurate current at dimming duty cycle down to 0.1%. This is very important for backlights that need to dim to very low light while still providing good consistency.
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