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JW1792 - Buck LED Driver

General Description

JW1792 is a non-isolated, constant output current step-down LED driver with 500V MOSFET integrated.

Operating in the boundary mode makes it high efficiency and low radiation.

Patented algorithms ensure good current accuracy and excellent line/load regulations with lowest BOM cost.

Key Features

  • Integrate 500V, Low Rdson MOSFET Excellent line/load regulation Boundary mode operation High efficiency LED SCP VDD UVLO Over-temperature protection Brown Out Protection Inductor short protection TO-92,SOP8 and SOT23-3 package.

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Datasheet Details

Part number JW1792
Manufacturer JoulWatt
File Size 838.56 KB
Description Buck LED Driver
Datasheet download datasheet JW1792 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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JW1792 Parameters Subject to Change Without Notice Integrated 500V MOS Non-isolated Buck LED Driver DESCRIPTION JW1792 is a non-isolated, constant output current step-down LED driver with 500V MOSFET integrated. Operating in the boundary mode makes it high efficiency and low radiation. Patented algorithms ensure good current accuracy and excellent line/load regulations with lowest BOM cost. JW1792 is supplied from the MOSFET drain directly, so the auxiliary winding is eliminated, which can light up the LED within 100mS. With unique sampling techniques, JW1792 has multi-protection functions which can largely enhance the safety and reliability of the system, including VDD UVLO, inductor short protection, LED short protection and over-temperature protection.