Datasheet

LED +
LED -
LINE
NEUTRAL
J2
J1
TP10
TP9
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Demo Board Wiring Overview
10 Demo Board Wiring Overview
Figure 20. Wiring Connection Diagram
Table 2. Test Points
Test Point Name I/O Description
TP10 LED + Output LED Constant Current Supply
Supplies voltage and constant-current to anode of LED string.
TP9 LED - Output LED Return Connection (not GND)
Connects to cathode of LED string. Do NOT connect to GND.
J1-1, (or J5) LINE Input AC Line Voltage
Connects directly to AC line or output of TRIAC dimmer of a 230VAC system.
J1-2, (or J6) NEUTRAL Input AC Neutral
Connects directly to AC neutral of a 230VAC system.
11 Demo Board Assembly
Figure 21. Top View
9
SNOA555CApril 2011Revised May 2013 AN-2091 LM3448 - 230VAC, 6W Isolated Flyback LED Driver
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