Texas Instruments LM3447 Evaluation Board LM3447-PAR-230VEVM LM3447-PAR-230VEVM Data Sheet
![Texas Instruments](https://files.manualsbrain.com/attachments/b46f99d826b2b0e0e5f558c5fb6483942eb9216b/common/fit/150/50/c15ea36eb1fb1cce99a3b94668675bfc78ce832d8d727d9a7bb51a125510/brand_logo.gif)
Product codes
LM3447-PAR-230VEVM
0
100
200
300
400
500
600
0.0
50.0
100.0
150.0
200.0
250.0
L
E
D
Cur
re
n
t
(m
A
)
Input Voltage (V
RMS
)
C004
Performance Data and Typical Characteristic Curves
8.10
Dimming Characteristics with Reverse Phase Dimmer
Figure 21. LED Current vs Conduction Angle
Figure 22. Dimmer at maximum brightness setting
(Ch1 - rectified line voltage (100V/div); Ch3 - line current (100mA/div); Ch4- LED current (100 mA/div))
Figure 23. Dimmer at half brightness setting
(Ch1 - rectified line voltage (100V/div); Ch3 - line current (100mA/div); Ch4- LED current (100 mA/div))
15
SLUUA02 – AUGUST 2012
LM3447-PAR-230VEVM is a Phase-Dimmable, Primary-Side Regulated LED
Driver
Copyright © 2012, Texas Instruments Incorporated