JW1991C/D/E: Integrated 500V MOS Non-Isolated Buck LED Driver

JW1991C/D/E Integrated 500V MOS Non-isolated Buck LED Driver Parameters Subject to Change Without Notice

DESCRIPTION

FEATURES

JW ®1991C/D/E is a non-isolated, constant output




Integrate 500V, Low Rdson MOSFET

current

500V




Excellent line/load regulation

MOSFET integrated. Operating in the boundary




Boundary mode operation

mode makes it high efficiency and low radiation.




High efficiency

Patented




LED short protection

accuracy and excellent line/load regulations.




Over-temperature protection

JW1991C/D/E is supplied from the line directly




SOP7 and SOT33-4 packages

without auxiliary winding or external capacitor,

APPLICATIONS

step-down

LED

algorithms

driver

ensure

with

good

current

which can lower the system BOM cost. With unique sampling techniques, JW1991C/D/E




LED Lighting

has multi-protection functions which can largely enhance the safety and reliability of the system, including

LED

short

protection

and

over-

temperature protection. Company’s Logo is Protected, “JW” and “JOULWATT” are Registered Trademarks of JoulWatt technology Inc.

TYPICAL APPLICATION

JW1991C/D/E Rev.0.8

JoulWatt® Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

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