ncl30160 ON Semiconductor, ncl30160 Datasheet - Page 9
ncl30160
Manufacturer Part Number
ncl30160
Description
Constant Current Buck Regulator For Driving High Power Leds
Manufacturer
ON Semiconductor
Datasheet
1.NCL30160.pdf
(10 pages)
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100
100
700
600
500
400
300
200
100
95
90
85
80
75
70
65
60
95
90
85
80
75
70
65
60
0
0
0
Figure 9. Efficiency, 350 mA, V
Figure 13. LED Current vs. Dimming Duty
Figure 11. Efficiency, 1 A, V
5
5
20
10
10
DIMMING DUTY RATIO (%)
15
15
100 Hz
40
VIN (V)
VIN (V)
Ratio
20
20
10 kHz
60
25
25
f_LED
f_LED
30
30
= 3.5 V
80
= 3.5 V
35
35
http://onsemi.com
100
40
40
9
1.70
1.65
1.60
1.55
1.50
1.45
1.40
1.35
1.30
100
240
220
200
180
160
140
120
100
100
95
90
85
80
75
70
65
60
−40
0
5
Temperature (12 V V
Figure 10. Efficiency, 700 mA, V
−20
5
10
Figure 14. Switching Frequency vs.
10
0
Figure 12. IQIN vs. VIN
15
TEMPERATURE (°C)
20
15
20
VIN (V)
VIN (V)
IN
40
, 3 LEDs, 0.7 A, 0.47 mH)
20
25
60
25
30
f_LED
80
30
= 3.5 V
100
35
35
120
40
40