On Semiconductor NCL30000 Evaluation Board NCL30000LED1GEVB NCL30000LED1GEVB Ficha De Dados
Códigos do produto
NCL30000LED1GEVB
NCL30000
http://onsemi.com
19
Performance Data for 90 to 305 Vac LED Driver
Shown below in Figure 31 is the line regulation and
efficiency with a 36.9 V, 12 LED load. Note the output
current does not vary much over the entire input voltage
range. The data is based on the use of an EFD25 transformer.
range. The data is based on the use of an EFD25 transformer.
300
305
310
315
320
325
330
335
340
345
350
90
115
140
165
190
215
240
265
290
315
Input Voltage (Vac)
LED Current (mA)
77%
78%
79%
80%
81%
82%
83%
84%
85%
86%
87%
Efficiency (%)
LED Current
Efficiency
Figure 31. Output Current and Efficiency with 36.9 V Load
Power factor and Total Harmonic Distortion are shown in Figure 32 below.
0
2
4
6
8
10
12
14
16
18
20
90
115
140
165
190
215
240
265
290
315
Input Voltage (Vac)
Input Current THD (%)
0.90
0.91
0.92
0.93
0.94
0.95
0.96
0.97
0.98
0.99
1.00
Power Factor (PF)
THD
PF
Figure 32. THD and Power Factor with 36.9 V Load