User manual

TP9

TP10

LED -

LED +

LINE

NEUTRAL

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Demo Board Wiring Overview

10 Demo Board Wiring Overview

Figure 2. Wiring Connection Diagram

Test Name I/O Description

Point

TP10, J2- LED + Output LED Constant Current Supply

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

TP9, J2-2 LED - Output LED Return Connection (not GND)

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

J1-1 LINE Input AC Line Voltage

Connects directly to AC line of a 230VAC system.

J1-2 NEUTRAL Input AC Neutral

Connects directly to AC neutral of a 230VAC system.

11 Demo Board Assembly

Figure 3. Top View

SNVA462F–November 2010–Revised May 2013 AN-2097 LM3444 - 230VAC, 8W Isolated Flyback LED Driver

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