English
Language : 

LM3444-230VAC Datasheet, PDF (7/18 Pages) National Semiconductor (TI) – 8W Isolated Flyback LED Driver Industrial and Commercial Lighting
Demo Board Wiring Overview
Wiring Connection Diagram
30139703
Test Point
TP10, J2-1
Name
LED +
TP9, J2-2
LED -
J1-1
LINE
J1-2
NEUTRAL
I/O
Output
Output
Input
Input
Description
LED Constant Current Supply
Supplies voltage and constant-current to anode of LED string.
LED Return Connection (not GND)
Connects to cathode of LED string. Do NOT connect to GND.
AC Line Voltage
Connects directly to AC line of a 230VAC system.
AC Neutral
Connects directly to AC neutral of a 230VAC system.
Demo Board Assembly
Top View
30139705
Bottom View
7
30139706
www.national.com