Texas Instruments LM3447 Evaluation Board LM3447-PAR-230VEVM LM3447-PAR-230VEVM Datenbogen
Produktcode
LM3447-PAR-230VEVM
0
1
2
3
4
5
6
7
8
9
10
180
190
200
210
220
230
240
250
260
270
Cur
re
n
t
T
HD
(
%
)
Input Voltage (V
RMS
)
C003
400
420
440
460
480
500
520
540
560
580
600
180
190
200
210
220
230
240
250
260
270
L
E
D
Cur
re
n
t
(m
A
)
Input Voltage (V
RMS
)
C001
Performance Data and Typical Characteristic Curves
Figure 10. LM3447-PAR-230VEVM LED Current Regulation
8.4
Input Current THD
Figure 11. LM3447-PAR-230VEVM- Current THD % vs Line Voltage
8.5
Output Ripple
Figure 12. Output Ripple
(Ch1 - rectified line voltage (100V/div); Ch3 - line current (100mA/div); Ch4- LED current (100 mA/div))
11
SLUUA02 – AUGUST 2012
LM3447-PAR-230VEVM is a Phase-Dimmable, Primary-Side Regulated LED
Driver
Copyright © 2012, Texas Instruments Incorporated