14.5W TRIAC dimming non-isolated buck LED driver based on LNK407EG design, with circuit diagram, bill of materials, specification

Photocoupler

Summary:

This document describes a non-isolated high power factor (PF), TRIAC dimmable LED driver. It provides 480 mA (rated) current drive for 30V LED strings. The input voltage range is from 90 VAC to 132 VAC (60 Hz typical). This LED driver is designed using the LNK407EG device from the LinkSwitch-PH family.

This document contains LED driver specifications, schematics, PCB schematics, bill of materials, transformer documentation, and typical performance characteristics.

14.5W TRIAC dimming non-isolated buck LED driver PCB physical map

14.5W TRIAC Dimming Non-Isolated Buck LED Driver Circuit Diagram

14.5W TRIAC Dimming Non-Isolated Buck LED Driver PCB Layout

See the uploading documentation for details (click to download)

Male Pin Headers

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0.8mm Male Header
1.0mm Male Header
1.27mm Male Header
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2.54mm Male Header

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Male Pin Headers:

SPECIFICATIONS:
Current Rating: 0.75Amp
Insulation Resistance: 1000M ohms min
Contact Resistance: 20M ohms max
Dielectric Withstanding: AC500V
Operating Temperature: -65°C to +125°C
Contact Material: Brass
Insulator Material: PA6T,UL94V-0,Color:Black



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