User manual

LED +

LED -

NEUTRAL

LINE

TP3

TP2

TP4

TP5

Demo Board Wiring Overview

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8 Demo Board Wiring Overview

Figure 2. Wiring Connection Diagram

Test Name I/O Description

Point

TP3 LED + Output LED Constant Current Supply

Supplies voltage and constant-current to anode of LED string.

TP2 LED - Output LED Return Connection (not GND)

Connects to cathode of LED string. Do NOT connect to GND.

TP5 LINE Input AC Line Voltage

Connects directly to AC line of a 120VAC system.

TP4 NEUTRAL Input AC Neutral

Connects directly to AC neutral of a 120VAC system.

AN-2082 LM3444 -120VAC, 8W Isolated Flyback LED Driver SNVA454E–September 2010–Revised May 2013

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