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JoulWatt

JW1782B Datasheet Preview

JW1782B Datasheet

Buck LED Driver

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JW1782B
Parameters Subject to Change Without Notice
Integrated 500V MOS Non-isolated
Buck LED Driver
DESCRIPTION
FEATURES
JW1782B 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.
JW1782B 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, JW1782B 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.
Integrate 500V, Low Rdson MOSFET
Excellent line/load regulation
Boundary mode operation
High efficiency
LED SCP
VDD UVLO
Over-temperature protection
Inductor short protection
APPLICATIONS
LED Lighting
TYPICAL APPLICATION
JW1782B Rev.0.93
JoulWatt Proprietary Information. Patent Protected.
Unauthorized Photocopy and Duplication Prohibited.
1




JoulWatt

JW1782B Datasheet Preview

JW1782B Datasheet

Buck LED Driver

No Preview Available !

JW1782B
ORDER INFORMATION
LEAD FREE FINISH
JW1782BSOTG#PBF
JW1782BSOTF#PBF
Note
TAPE AND REEL
JW1782BSOTG#TRPBF
JW1782BSOTF#TRPBF
BULK
JW1782BTOC#BPBF
PACKAGE
TO-92(B)
SOT89-3
SOT23-3
JoulWatt
TOP MARKING
JW1782B
JW1782B
JWB5
PIN CONFIGURATION
TOP VIEW
JW1782B Rev.0.93
JoulWatt Proprietary Information. Patent Protected.
Unauthorized Photocopy and Duplication Prohibited.
2


Part Number JW1782B
Description Buck LED Driver
Maker JoulWatt
Total Page 13 Pages
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