RDR-131 POWERINT [Power Integrations, Inc.], RDR-131 Datasheet - Page 3
RDR-131
Manufacturer Part Number
RDR-131
Description
Reference Design Report for 3 W Non- Isolated Constant Current LED Driver Using LNK306DN
Manufacturer
POWERINT [Power Integrations, Inc.]
Datasheet
1.RDR-131.pdf
(24 pages)
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7-Mar-07
RDR-131 LED Driver – LNK306DN
1 Introduction
This engineering report describes an LED driver power supply that uses a member of
the LinkSwitch-TN family of devices, the LNK306DN. The circuit regulates its load
current to 300 mA while developing about 10 V across three series HB-LEDs.
The design provides no safety isolation between the AC input and DC output. Therefore
the enclosure must be designed to provide isolation.
The report contains the power supply specification, a circuit diagram, a complete bill of
materials, the PI Xls spreadsheet results for the design, the printed circuit board
layouts, and performance data.
Figure 1 – Photographs of (Top and Side views) Populated Circuit Board Assembly.
Power Integrations
Tel: +1 408 414 9200 Fax: +1 408 414 9201
Page 3 of 24
www.powerint.com
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